Classifications

• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
  • C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
  • C07F9/02—Phosphorus compounds
  • C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
  • C07F9/6561—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom containing systems of two or more relevant hetero rings condensed among themselves or condensed with a common carbocyclic ring or ring system, with or without other non-condensed hetero rings
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
  • A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
  • A61P31/12—Antivirals
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K31/00—Medicinal preparations containing organic active ingredients
  • A61K31/66—Phosphorus compounds
  • A61K31/675—Phosphorus compounds having nitrogen as a ring hetero atom, e.g. pyridoxal phosphate
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K45/00—Medicinal preparations containing active ingredients not provided for in groups A61K31/00 - A61K41/00
  • A61K45/06—Mixtures of active ingredients without chemical characterisation, e.g. antiphlogistics and cardiaca
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
  • C07D487/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
  • C07D487/04—Ortho-condensed systems

Definitions

• compositions and methods for treating viral infections for example Paramyxoviridae , Pneumoviridae , Picornaviridae, Flaviviridae , Filoviridae, Arenaviridae, Orthomyxovirus , and Coronaviridae infections.
• viral infections for example Paramyxoviridae , Pneumoviridae , Picornaviridae, Flaviviridae , Filoviridae, Arenaviridae, Orthomyxovirus , and Coronaviridae infections.
• the present disclosure addresses these and other needs.
• each R 1 and R 2 is independently H, -(CO)C 1 -C 6 alkyl or -(CO)OC 1 -C 6 alkyl, wherein the -(C(O)C 1 -C 6 alkyl or -(CO)OC 1 -C 6 alkyl is optionally substituted with a NH 2 group; or
• R 1 and R 2 are combined to form -CO-, -CO-CO-, or -C(O)-C(R 1A )(R 1B )-C(O)-; wherein each R 1A and R 1B is independently H or C 1 -C 6 alkyl; R 3A is H or C 1- C 6 alkyl; wherein the C 1- C 6 alkyl is optionally substituted with a - OH or phenyl;
• R 3B is H or C 1 -C 3 alkyl
• R 4 is (i) C 1 -C 8 alkyl, (ii) -(CR 8 R 9 CR 10 R 11 O) m R 12 , (iii) C 3 -C 10 cycloalkyl, (iv) 4 to 6 membered heterocyclyl having 1 to 3 heteroatoms independently selected from N, O and S, or (v) 5 to 6 membered heteroaryl having 1 to 3 heteroatoms independently selected from N, O and S; wherein the C 1 -C 8 alkyl, C 3 -C 10 cycloalkyl, 4 to 6 membered heterocyclyl, or 5 to 6 membered heteroaryl is optionally substituted with one or two R 4A groups; wherein each R 4A is independently C 1 -C 3 alkyl, C 1 -C 3 alkoxy, C 1 -C 3 haloalkyl, C 3 - C 10 cycloalkyl, C 6 -C 10 aryl, or 4 to 6 membered heterocyclyl having
• R 6 is -N(H)R 6A ; and each R 6A , R 7A and R 7B is independently H or -CH 2 OP(O)(OH) 2 ;
• Ar is C 6 -C 10 aryl or 5 to 10 membered heteroaryl containing one, two, or three heteroatoms selected from the group consisting of O, N, and S; n is 0, 1, 2, or 3; each R 5 is independently halo, cyano, C 1 -C 6 alkyl, C 1 -C 6 haloalkyl, C 3 -C 6 cycloalkyl, C 1 -C 6 alkoxy, C 3 -C 6 cycloalkoxy, -COOR 5A , -SO 2 R 5A , 4 to 6 membered heterocycloalkyl containing one, two or three heteroatoms selected from N, O, and S, or 5 to 6 membered heteroaryl containing one, two or three heteroatoms selected from N, O, and S; wherein the C 1 -C 6 alkyl, C 1 -C 6 haloalkyl, C 3 -C 6 cycloalkyl, C 3 -C 6 cycloalk
• R 5A is C 1 -C 6 alkyl; each R 5B is independently -OH, -OR 5C , -COOR 5C and - NHCOOR 5d ; wherein R 5C is C 1- C 6 alkyl and R 5D is C 1- C 3 alkyl optionally substituted with a phenyl group; each R 8 , R 9 , R 10 , R 11 and R 12 is independently H or C 1 -C 3 alkyl; m is 1, 2, 3, 4, or 5; provided that when R 1 and R 2 are both H then:
• n 1, 2, or 3;
• R 4 is C 1 -C 8 alkyl substituted with one or two groups independently selected from C 1 -C 3 alkoxy, C 1 -C 3 haloalkyl, C 3 -C 10 cycloalkyl, C 6 -C 10 aryl, or 4 to 6 membered heterocyclyl having 1 to 3 heteroatoms independently selected from N, O and S; wherein the C 3 -C 10 cycloalkyl, C 6 -C 10 aryl, or 4 to 6 membered heterocyclyl is optionally substituted with one or two substituents independently selected from the group consisting of C 1 -C 6 alkyl, halo, C 1 -C 6 haloalkyl, and C 1 -C 6 alkoxy; or
• R 4 is (a) -(CR 8 R 9 CR 10 R 11 O) m R 12 , (b) monocyclic C 3 -C 10 cycloalkyl substituted with substituted with one or two R 4A groups, (c) bicyclic C 3 -C 10 cycloalkyl, (d) 4 to 6 membered heterocyclyl having 1 to 3 heteroatoms independently selected from N, O and S, or (e) 5 to 6 membered heteroaryl having 1 to 3 heteroatoms independently selected from N, O and S; wherein the bicyclic C 3 -C 10 cycloalkyl, 4 to 6 membered heterocyclyl, or 5 to 6 membered heteroaryl is optionally substituted with one or two R 4A groups; or
• the disclosure provides pharmaceutical compositions comprising a compound disclosed herein, or a pharmaceutically acceptable salt thereof.
• the disclosure provides methods of treating or preventing a viral infection in a human in need thereof, wherein the method comprises administering to the human a compound of the disclosure, or a pharmaceutically acceptable salt thereof.
• the disclosure provides methods for manufacturing a medicament for treating or preventing a viral infection in a human in need thereof, characterized in that a compound of the disclosure, or a pharmaceutically acceptable salt thereof, is used.
• the disclosure provides use of a compound of the disclosure, or a pharmaceutically acceptable salt thereof, for the manufacture of a medicament for the treatment or prevention of a viral infection in a human in need thereof.
• the invention relates generally to methods and compounds for treating or preventing viral infections, for example paramyxoviridae, pneumoviridae, picornaviridae,flaviviridae, filoviridae, arenaviridae, orthomyxovirus, and coronaviridae (including but not limited to MERS, SARS, and SARS-CoV-2) infections.
• viral infections for example paramyxoviridae, pneumoviridae, picornaviridae,flaviviridae, filoviridae, arenaviridae, orthomyxovirus, and coronaviridae (including but not limited to MERS, SARS, and SARS-CoV-2) infections.
• a compound of the disclosure or “a compound of Formula I” means a compound of Formula I, or a pharmaceutically acceptable salt, thereof.
• a compound of Formula (number) means a compound of that formula and pharmaceutically acceptable salts thereof.
• Alkyl refers to an unbranched or branched saturated hydrocarbon chain.
• an alkyl group can have 1 to 20 carbon atoms (i.e, C 1 -C 20 alkyl), 1 to 8 carbon atoms (i.e., C 1 -C 8 alkyl), 1 to 6 carbon atoms (i.e., C 1 -C 6 alkyl), or 1 to 3 carbon atoms (i.e., C 1 -C 3 alkyl).
• alkyl groups include, but are not limited to, methyl (Me, -CH 3 ), ethyl (Et, - CH 2 CH 3 ), 1-propyl (n-Pr, n-propyl, -CH 2 CH 2 CH 3 ), 2-propyl (i-Pr, i-propyl, -CH(CH 3 ) 2 ), 1-butyl (n-Bu, n-butyl, -CH 2 CH 2 CH 2 CH 3 ), 2-methyl-1-propyl (i-Bu, i-butyl, -CH 2 CH(CH 3 ) 2 ), 2-butyl (s-Bu, s-butyl, -CH(CH 3 )CH 2 CH 3 ), 2-methyl-2-propyl (t-Bu, t-butyl, -C(CH 3 ) 3 ), 1-pentyl (n- pentyl, -CH 2 CH 2 CH 2 CH 3 ), 2-pentyl (-CH(CH 3 )
• Alkoxy means a group having the formula –O-alkyl, in which an alkyl group, as defined above, is attached to the parent molecule via an oxygen atom.
• the alkyl portion of an alkoxy group can have 1 to 20 carbon atoms (i.e., C 1 -C20 alkoxy), 1 to 12 carbon atoms(i.e., C 1 -C 12 alkoxy), 1 to 8 carbon atoms (i.e., C 1 -C 8 alkoxy), 1 to 6 carbon atoms (i.e., C 1 -C 6 alkoxy) or 1 to 3 carbon atoms (i.e., C 1 -C 3 alkoxy).
• alkoxy groups include, but are not limited to, methoxy (-O-CH 3 or –OMe), ethoxy (-OCH 2 CH 3 or -OEt), t-butoxy (-O-C(CH 3 ) 3 or –OtBu) and the like.
• “Haloalkyl” is an alkyl group, as defined above, in which one or more hydrogen atoms of the alkyl group is replaced with a halogen atom.
• the alkyl portion of a haloalkyl group can have 1 to 20 carbon atoms (i.e., C 1 -C 20 haloalkyl), 1 to 12 carbon atoms(i.e., C 1 -C 12 haloalkyl), 1 to 8 carbon atoms (i.e., C 1 -C 8 haloalkyl), 1 to 6 carbon atoms (i.e., C 1 -C 6 alkyl) or 1 to 3 carbon atoms (i.e., C 1 -C 3 alkyl).
• Suitable haloalkyl groups include, but are not limited to, -CF 3 , -CHF 2 , -CFH 2 , -CH 2 CF 3 , and the like.
• Aryl means an aromatic hydrocarbon radical derived by the removal of one hydrogen atom from a single carbon atom of a parent aromatic ring system.
• an aryl group can have 6 to 20 carbon atoms, 6 to 14 carbon atoms, or 6 to 10 carbon atoms.
• Typical aryl groups include, but are not limited to, radicals derived from benzene (e.g., phenyl), substituted benzene, naphthalene, anthracene, biphenyl, and the like.
• Cycloalkyl refers to a saturated or partially saturated cyclic alkyl group having a single ring or multiple rings including fused, bridged, and spiro ring systems.
• cycloalkyl has from 3 to 20 ring carbon atoms (i.e., C 3-20 cycloalkyl), 3 to 12 ring carbon atoms (i.e., C 3- 12 cycloalkyl), 3 to 10 ring carbon atoms (i.e., C 3-10 cycloalkyl), 3 to 8 ring carbon atoms (i.e., C 3-8 cycloalkyl), or 3 to 6 ring carbon atoms (i.e., C 3-6 cycloalkyl).
• Examples of cycloalkyl groups include cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cycloheptyl, and cyclooctyl.
• Heterocycle or “heterocyclyl” refer to a saturated or unsaturated cyclic alkyl group, with one or more ring heteroatoms independently selected from nitrogen, oxygen and sulfur.
• a heterocycloalkyl may be a single ring or multiple rings wherein the multiple rings may be fused, bridged, or spiro.
• heterocyclyl has 3 to 20 ring atoms (i.e., 3 to 20 membered heterocyclyl), 3 to 12 ring atoms (i.e., 3 to 12 membered heterocyclyl), 3 to 10 ring atoms (i.e., 3 to 10 membered heterocyclyl), 3 to 8 ring atoms (i.e., 3 to 8 membered heterocyclyl), 4 to 12 ring carbon atoms (i.e., 4 to 12 membered heterocyclyl), 4 to 8 ring atoms (i.e., 4 to 8 membered heterocyclyl), or 4 to 6 ring atoms (i.e., 4 to 6 membered heterocyclyl).
• heterocyclyl groups include pyrrolidinyl, piperidinyl, piperazinyl, oxetanyl, dioxolanyl, azetidinyl, and morpholinyl.
• the term “optionally substituted” in reference to a particular moiety of the compound of Formula I refers to a moiety wherein all substituents are hydrogen or wherein one or more of the hydrogens of the moiety may be replaced by the listed substituents.
• the carbon atoms of the compounds of Formula I are intended to have a valence of four. If in some chemical structure representations, carbon atoms do not have a sufficient number of variables attached to produce a valence of four, the remaining carbon substituents needed to provide a valence of four should be assumed to be hydrogen.
• treating means reversing, alleviating, inhibiting the progress of, or preventing the disorder or condition to which such term applies, or one or more symptoms of such disorder or condition.
• treatment refers to the act of treating, as “treating” is defined immediately above.
• terapéuticaally effective amount is the amount of compound of Formula I present in a composition described herein that is needed to provide a desired level of drug in the secretions and tissues of the airways and lungs, or alternatively, in the bloodstream of a subject to be treated to give an anticipated physiological response or desired biological effect when such a composition is administered by the chosen route of administration.
• the precise amount will depend upon numerous factors, for example the particular compound of Formula I, the specific activity of the composition, the delivery device employed, the physical characteristics of the composition, its intended use, as well as patient considerations such as severity of the disease state, patient cooperation, etc., and can readily be determined by one skilled in the art based upon the information provided herein.
• adjacent carbons refers to consecutive carbons atoms that are directly attached to each other.
• C 1 and C 2 are adjacent carbons
• C 2 and C 3 are adjacent carbons
• C 3 and C 4 are adjacent carbons
• C 4 and C 5 are adjacent carbons.
• C 1 and C 2 are adjacent carbons
• C 2 and C 3 are adjacent carbons
• C 3 and C 4 are adjacent carbons
• C 4 and C 5 are adjacent carbons
• C 5 and C 6 are adjacent carbons and C 6 and C 1 are adjacent carbons.
• each R 1 and R 2 is independently H, -(CO)C 1 -C 6 alkyl or -(CO)OC 1 -C 6 alkyl, wherein the -(C(O)C 1 -C 6 alkyl or -(CO)OC 1 -C 6 alkyl is optionally substituted with a Nth group; or
• R 1 and R 2 are combined to form -CO-, -CO-CO-, or -C(O)-C(R 1A )(R 1B )-C(O)-; wherein each R 1A and R 1B is independently H or C 1 -C 6 alkyl;
• R 3A is H or C 1 -C 6 alkyl; wherein the C 1 -C 6 alkyl is optionally substituted with a - OH or phenyl;
• R 3B is H or C 1 -C 3 alkyl
• R 4 is (i) C 1 -C 8 alkyl, (ii) -(CR 8 R 9 CR 10 R 11 O) m R 12 , (iii) C 3 -C 10 cycloalkyl, (iv) 4 to 6 membered heterocyclyl having 1 to 3 heteroatoms independently selected from N, O and S, or (v) 5 to 6 membered heteroaryl having 1 to 3 heteroatoms independently selected from N, O and S; wherein the C 1 -C 8 alkyl, C 3 -C 10 cycloalkyl, 4 to 6 membered heterocyclyl, or 5 to 6 membered heteroaryl is optionally substituted with one or two R 4A groups; wherein each R 4A is independently C 1 -C 3 alkyl, C 1 -C 3 alkoxy, C 1 -C 3 haloalkyl, C 3 - C 10 cycloalkyl, C 6 -C 10 aryl, or 4 to 6 membered heterocyclyl having
• R 6 is -N(H)R 6A ; and each R 6A , R 7A and R 7B is independently H or -CH 2 OP(O)(OH) 2 ;
• Ar is C 6 -C 10 aryl or 5 to 10 membered heteroaryl containing one, two, or three heteroatoms selected from the group consisting of O, N, and S; n is 0, 1, 2, or 3; each R 5 is independently halo, cyano, C 1 -C 6 alkyl, C 1 -C 6 haloalkyl, C 3 -C 6 cycloalkyl, C 1 -C 6 alkoxy, C 3 -C 6 cycloalkoxy, -COOR 5A , -SO 2 R 5A , 4 to 6 membered heterocycloalkyl containing one, two or three heteroatoms selected from N, O, and S, or 5 to 6 membered heteroaryl containing one, two or three heteroatoms selected from N, O, and S; wherein the C 1 -C 6 alkyl, C 1 -C 6 haloalkyl, C 3 -C 6 cycloalkyl, C 3 -C 6 cycloalk
• R 5A is C 1 -C 6 alkyl; each R 5B is independently -OH, -OR 5C , -COOR 5C and - NHCOOR 5d ; wherein R 5C is C 1 -C 6 alkyl and R 5D is C 1 -C 3 alkyl optionally substituted with a phenyl group; each R 8 , R 9 , R 10 , R 11 and R 12 is independently H or C 1 -C 3 alkyl; m is 1, 2, 3, 4, or 5; provided that when R 1 and R 2 are both H then:
• n 1, 2, or 3;
• R 4 is C 1 -C 8 alkyl substituted with one or two groups independently selected from C 1 -C 3 alkoxy, C 1 -C 3 haloalkyl, C 3 -C 10 cycloalkyl, C 6 -C 10 aryl, or 4 to 6 membered heterocyclyl having 1 to 3 heteroatoms independently selected from N, O and S; wherein the C 3 -C 10 cycloalkyl, C 6 -C 10 aryl, or 4 to 6 membered heterocyclyl is optionally substituted with one or two substituents independently selected from the group consisting of C 1 -C 6 alkyl, halo, C 1 -C 6 haloalkyl, and C 1 -C 6 alkoxy; or (iii) R 4 is (a) -(CR 8 R 9 CR 10 R 11 O) m R 12 , (b) monocyclic C 3 -C 10 cycloalkyl substituted with substituted with one or two R 4
• the compound of Formula I is a compound of Formula la:
• the compound of Formula I is a compound of Formula lb:
• the Base is . in some embodiments, the Base is . In some embodiments, the Base is . in some embodiments, the Base is . in some embodiments, the Base is
• the compound of Formula I has a Formula II:
• the compound of Formula I, la or II has a Formula Ila:
• the compound of Formula I, lb or II has a Formula lIb:
• R 3A is C 1 -C 6 alkyl optionally substituted with -OH or phenyl. In some embodiments, R 3A is C 1 -C 6 alkyl optionally substituted with -OH. In some embodiments of the, R 3A is C 1 -C 6 alkyl optionally substituted with a phenyl.
• R 3A is C 1 -C 3 alkyl optionally substituted with -OH or phenyl. In some embodiments, R 3A is C 1 -C 3 alkyl optionally substituted with -OH. In some embodiments of the, R 3A is C 1 -C 3 alkyl optionally substituted with a phenyl.
• R 3A is H or C 1 -C 6 alkyl. In some embodiments, R 3A is H or C 1 -C 3 alkyl. In some embodiments, R 3A is H. In some embodiments, R 3A is C 1 -C 6 alkyl. In some embodiments, R 3A is C 1 -C 3 alkyl. In some embodiments, R 3A is methyl.
• R 3B is H. In some embodiments, R 3B is C 1 -C 3 alkyl. In some embodiments, R 3B is methyl.
• both R 3A and R 3B are H.
• R 3A is C 1 -C 6 alkyl and R 3B is H.
• R 3A is C 1 -C 3 alkyl and R 3B is H.
• R 3A is methyl and R 3B is H.
• both R 3A and R 3B are C 1 -C 3 alkyl.
• both R 3A and R 3B are methyl.
• R 3A is a C 1 -C 6 alkyl optionally substituted with -OH or phenyl
• R 3B is a H.
• R 3A is a C 1 -C 3 alkyl optionally substituted with -OH or phenyl
• R 3B is a H.
• R 3A is methyl optionally substituted with -OH or phenyl and R 3B is H.
• the compound of Formula I, la, lb, II, Ila, or lIb is a compound of Formula III:
• the compound of Formula I, la, II, or Ila is a compound of Formula IlIa:
• the compound of Formula I, lb, II, or lIb has a Formula Illb:
• the compound of Formula I, la, II, Ila, III, or IlIa has a Formula IIIc:
• R 1 and R 2 are H and the other is - (CO)C 1 -C 6 alkyl or -(CO)OC 1 -C 6 alkyl.
• R 1 is H and R 2 is -(CO)C 1 -C 6 alkyl or -(CO)OC 1 -C 6 alkyl.
• R 1 is H and R 2 is -(CO)C 1 -C 3 alkyl or - (CO)OC 1 -C 3 alkyl.
• R 1 is -(CO)C 1 -C 6 alkyl or -(CO)OC 1 -C 6 alkyl and R 2 is H. In some embodiments, R 1 is -(CO)C 1 -C 3 alkyl or -(CO)OC 1 -C 3 alkyl and R 2 is H.
• R 1 and R 2 are H and the other is a - (CO)C 1 -C 6 alkyl.
• R 1 is H and R 2 is -(CO)C 1 -C 6 alkyl.
• R 1 is H and R 2 is -(CO)C 1 -C 3 alkyl.
• R 1 is H and R 2 is - (CO)methyl, -(CO)ethyl, -(CO)n-propyl, or -(CO)iso-propyl. In some embodiments, R 1 is H and R 2 is -(CO)methyl. In some embodiments, R 1 is H and R 2 is -(CO)ethyl. In some embodiments, R 1 is H and R 2 is -(CO)n-propyl. In some embodiments, R 1 is H and R 2 is - (CO)iso-propyl.
• R 1 is -(CO)C 1 -C 6 alkyl and R 2 is H. In some embodiments, R 1 is -(CO)C 1 -C 3 alkyl and R 2 is H. In some embodiments, R 1 is - (CO)methyl, -(CO)ethyl, -(CO)n-propyl, or -(CO)iso-propyl and R 2 is H. In some embodiments, R 1 is -(CO)methyl and R 2 is H.
• R 1 is -(CO)ethyl and R 2 is H. In some embodiments, R 1 is n— (CO)propyl and R 2 is H. In some embodiments, R 1 is - (CO)iso-propyl and R 2 is H.
• R 1 is -COCH(CH 3 ) 2 , -COCH 3 , - COCH 2 CH 3 , -COCH 2 CH(CH 3 ) 2 or -COCH(NH 2 )CH(CH 3 ) 2 .
• R 2 is -COCH(CH 3 ) 2 , -COCH 3 , -
• both R 1 and R 2 are independently selected from the group consisting of -COCH(CH ) 2 , -COCH 3 , -COCH 2 CH 3 , -COCH 2 CH(CH ) 2 or - COCH(NH 2 )CH(CH ) 2 .
• R 1 is a -(CO)C 1 -C 6 alkyl and R 2 is a - (CO)C 1 -C 6 alkyl.
• R 1 is a -(CO)C 1 -C 3 alkyl and R 2 is a -(CO)C 1 -C 3 alkyl.
• R 1 is -(CO)methyl, -(CO)ethyl, -(CO)n-propyl, or -(CO)iso-propyl and R 2 is -(CO)methyl, -(CO)ethyl, -(CO)n-propyl, or -(CO)iso-propyl.
• R 1 is -(CO)methyl and R 2 is -(CO)methyl, -(CO)ethyl, -(CO)n-propyl, or -(CO)iso-propyl.
• R 1 is -(CO)ethyl and R 2 is -(CO)methyl, -(CO)ethyl, -(CO)n-propyl, or - (CO)iso-propyl.
• R 1 is -(CO)n-propyl and R 2 is -(CO)methyl, - (CO)ethyl, -(CO)n-propyl, or -(CO)iso-propyl.
• R 1 is -(CO)iso-propyl and R 2 is -(CO)methyl, -(CO)ethyl, -(CO)n-propyl, or -(CO)iso-propyl.
• R 1 is -(CO)methyl, -(CO)ethyl, -(CO)n-propyl, or -(CO)iso- propyl and R 2 is -(CO)methyl.
• R 1 is -(CO)methyl, -(CO)ethyl, -(CO)n- propyl, or -(CO)iso-propyl and R 2 is -(CO)ethyl.
• R 1 is -(CO)methyl, - (CO)ethyl, -(CO)n-propyl, or -(CO)iso-propyl and R 2 is -(CO)n-propyl.
• R 1 is -(CO)methyl, -(CO)ethyl, -(CO)n-propyl, or -(CO)iso-propyl and R 2 is -(CO)iso-propyl.
• both R 1 and R 2 are -(CO)methyl. In some embodiments, both R 1 and R 2 are -(CO)ethyl. In some embodiments, both R 1 and R 2 are -(CO)n-propyl. In some embodiments, both R 1 and R 2 are -(CO)iso-propyl.
• R 1 and R 2 are combined to form -C(O)-, -C(O)-C(R 1A )(R 1B )-C(O)- or -C(O)-C(O)-, wherein each R 1A and R 1B is independently H or C 1 -C 6 alkyl.
• R 1 and R 2 are combined to form -C(O)- or -C(O)-C(R 1A )(R 1B )-C(O)- wherein each R 1A and R 1B is independently H or C 1 -C 6 alkyl. In some embodiments, R 1 and R 2 are combined to form -C(O)- C(R 1A )(R 1B )-C(O)-, wherein each R 1A and R 1B is independently H or C 1 -C 6 alkyl.
• R 1 and R 2 are combined to form -C(O)-C(R 1A )(R 1B )-C(O)-, wherein each R 1A and R 1B is independently H, methyl, or ethyl. In some embodiments, R 1 and R 2 are combined to form -C(O)-C(R 1A )(R 1B )-C(O)-, wherein R 1A is H and R 1B is H, methyl, or ethyl. In some embodiments, R 1 and R 2 are combined to form - C(O)-C(R 1A )(R 1B )-C(O)-, wherein R 1A is H and R 1B is methyl, or ethyl.
• R 1 and R 2 are combined to form -C(O)-C(O)-.
• R 1 and R 2 are combined to form -C(O)-.
• R 1 and R 2 are both H;
• n 1, 2, or 3;
• R 4 is C 1 -C 8 alkyl substituted with one or two groups independently selected from C 1 -C 3 alkoxy, C 1 -C 3 haloalkyl, C 3 -C 10 cycloalkyl, C 6 -C 10 aryl, or 4 to 6 membered heterocyclyl having 1 to 3 heteroatoms independently selected from N, O and S; wherein the C 3 -C 10 cycloalkyl, C 6 -C 10 aryl, or 4 to 6 membered heterocyclyl is optionally substituted with one or two substituents independently selected from the group consisting of C 1 -C 6 alkyl, halo, C 1 - C 6 haloalkyl, and C 1 -C 6 alkoxy; or
• R 4 is (a) -(CR 8 R 9 CR 10 R 11 O) m R 12 , (b) monocyclic C 3 -C 10 cycloalkyl substituted with one or two R 4A groups, (c) bicyclic C 3 -C 10 cycloalkyl, (d) 4 to 6 membered heterocyclyl having 1 to 3 heteroatoms independently selected from N, O and S, or (e) 5 to 6 membered heteroaryl having 1 to 3 heteroatoms independently selected from N, O and S; wherein the bicyclic C 3 -C 10 cycloalkyl, 4 to 6 membered heterocyclyl, or 5 to 6 membered heteroaryl is optionally substituted with one or two R 4A groups; or
• R 1 and R 2 are both H and R 4 is (a) -(CR 8 R 9 CR 10 R 11 O) m R 12 , (b) monocyclic C 3 -C 10 cycloalkyl substituted with one or two R 4A groups, (c) bicyclic C 3 -C 10 cycloalkyl, (d) 4 to 6 membered heterocyclyl having 1 to 3 heteroatoms independently selected from N, O and S, or (e) 5 to 6 membered heteroaryl having 1 to 3 heteroatoms independently selected from N, O and S; wherein the bicyclic C 3 -C 10 cycloalkyl, 4 to 6 membered heterocyclyl, or 5 to 6 membered heteroaryl is optionally substituted with one or two R 4A groups.
• R 1 and R 2 are both H and R 4 is a monocyclic C 3 -C 10 cycloalkyl substituted with one or two R 4A groups.
• R 1 and R 2 are both H and R 4 is a bicyclic C 3 -C 10 cycloalkyl optionally substituted with one or two R 4A groups.
• R 1 and R 2 are both H and R 4 is a 4 to 6 membered heterocyclyl having 1 to 3 heteroatoms independently selected from N, O and S, and optionally substituted with one or two R 4A groups.
• R 1 and R 2 are both H and R 4 is a 5 to 6 membered heteroaryl having 1 to 3 heteroatoms independently selected from N, O and S, and optionally substituted with one or two R 4A groups.
• R 1 and R 2 are both H
• R 4 is C 1 -C 8 alkyl substituted with one or two groups independently selected from C 1 -C 3 alkoxy, C 1 -C 3 haloalkyl, C 3 -C 10 cycloalkyl, C 6 -C 10 aryl, or 4 to 6 membered heterocyclyl having 1 to 3 heteroatoms independently selected from N, O and S; wherein the C 3 -C 10 cycloalkyl, C 6 -C 10 aryl, or 4 to 6 membered heterocyclyl is optionally substituted with one or two substituents independently selected from the group consisting of C 1 - C 6 alkyl, halo, C 1 -C 6 haloalkyl, and C 1 -C 6 alkoxy.
• both R 1 and R 2 are both H
• R 4 is C 1 -C 8 alkyl substituted with one or two groups independently selected from C 1 -C 3 alkoxy, C 1 -C 3 haloalkyl, C 3 -C 10 cycloalkyl, C 6 -C 10 aryl, or 4 to 6 membered heterocyclyl having 1 to 3 heteroatoms independently selected from N, O and S.
• R 1 and R 2 are both H. In some embodiments, R 1 and R 2 are both H and n is 1, 2, or 3. In some embodiments, R 1 and R 2 are both H and R 4 is -(CR 8 R 9 CR 10 R 11 O) m R 12 . In some embodiments,
• R 4 is (i) C 1 -C 8 alkyl, (ii) -(CR 8 R 9 CR 10 R 11 O) m R 12 , (iii) C 3 -C 10 cycloalkyl, (iv) 4 to 6 membered heterocyclyl having 1 to 3 heteroatoms independently selected from N, O and S, or (v) 5 to 6 membered heteroaryl having 1 to 3 heteroatoms independently selected from N, O and S; wherein the C 1 -C 8 alkyl, C 3 -C 10 cycloalkyl, 4 to 6 membered heterocyclyl, and 5 to 6 membered heteroaryl is optionally substituted with one or two R 4A .
• R 4 is (i) C 1 -C 8 alkyl, (ii) -(CR 8 R 9 CR 10 R 11 O) m R 12 , (iii) C 3 -C 10 cycloalkyl, or (iv) 4 to 6 membered heterocyclyl having 1 to 3 heteroatoms independently selected from N, O and S; wherein the C 1 - C 8 alkyl, C 3 -C 10 cycloalkyl, or 4 to 6 membered heterocyclyl is optionally substituted with one or two R 4A .
• R 4 is (i) C 1 -C 8 alkyl, (ii) -(CR 8 R 9 CR 10 R 11 O) m R 12 , or (iii) C 3 - C 10 cycloalkyl; wherein the C 1 -C 8 alkyl or C 3 -C 10 cycloalkyl is optionally substituted with one or two R 4A .
• R 4 is (i) C 1 -C 8 alkyl, (ii) -(CR 8 R 9 CR 10 R 11 O) m R 12 , or (iii) 4 to 6 membered heterocyclyl having 1 to 3 heteroatoms independently selected from N, O and S; wherein the C 1 -C 8 alkyl or 4 to 6 membered heterocyclyl is optionally substituted with one or two R 4A .
• R 4 is (i) C 3 -C 10 cycloalkyl, (ii) -(CR 8 R 9 CR 10 R 11 O) m R 12 , or (iii) 4 to 6 membered heterocyclyl having 1 to 3 heteroatoms independently selected from N, O and S; wherein the C 3 - C 10 cycloalkyl or 4 to 6 membered heterocyclyl is optionally substituted with one or two R 4A .
• R 4 is C 1 -C 8 alkyl optionally substituted with one or two R 4A .
• R 4 is C 3 -C 10 cycloalkyl optionally substituted with one or two R 4A .
• R 4 is 4 to 6 membered heterocyclyl having 1 to 3 heteroatoms independently selected from N, O and S, and optionally substituted with one or two R 4A .
• R 4 is 5 to 6 membered heteroaryl having 1 to 3 heteroatoms independently selected from N, O and S, and optionally substituted with one or two R 4A .
• R 4 is (i) C 1 -C 8 alkyl, (ii) -(CR 8 R 9 CR 10 R 11 O) m R 12 , (iii) C 3 -C 10 cycloalkyl, or (iv) 4 to 6 membered heterocyclyl having 1 to 3 heteroatoms independently selected from N, O and S.
• R 4 is (i) C 1 -C 8 alkyl, (ii) -(CR 8 R 9 CR 10 R 11 O) m R 12 , or (iii) C 3 -C 10 cycloalkyl. In some embodiments, R 4 is (i) C 1 -C 8 alkyl, (ii) -(CR 8 R 9 CR 10 R 11 O) m R 12 , or (iii) 4 to 6 membered heterocyclyl having 1 to 3 heteroatoms independently selected from N, O and S.
• R 4 is (i) C 3 -C 10 cycloalkyl or (ii) 4 to 6 membered heterocyclyl having 1 to 3 heteroatoms independently selected from N, O and S. In some embodiments, R 4 is C 1 -C 8 alkyl. In some embodiments, R 4 is C 3 -C 10 cycloalkyl. In some embodiments, R 4 is 4 to 6 membered heterocyclyl having 1 to 3 heteroatoms independently selected from N, O and S. In some embodiments, R 4 is 5 to 6 membered heteroaryl having 1 to 3 heteroatoms independently selected from N, O and S.
• R 4 is C 1 -C 8 alkyl optionally substituted with one R 4A .
• R 4 is a C 1-6 alkyl optionally substituted with one R 4A .
• R 4 is C 1 -C 4 alkyl optionally substituted with one R 4A .
• R 4 is methyl, ethyl, propyl, or butyl optionally substituted with one R 4A .
• R 4 is methyl optionally substituted with one R 4A .
• R 4 is ethyl optionally substituted with one R 4A .
• R 4 is propyl optionally substituted with one R 4A .
• R 4 is butyl optionally substituted with one R 4A .
• R 4 is C 1 -C 8 alkyl. In some embodiments, R 4 is a C 1 - 6 alkyl. In some embodiments, R 4 is a C 1-4 alkyl. In some embodiments, R 4 is methyl, ethyl, propyl, or butyl. In some embodiments, R 4 is methyl. In some embodiments, R 4 is ethyl. In some embodiments, R 4 is propyl. In some embodiments, R 4 is butyl.
• R 4 is C 3 -C 10 cycloalkyl optionally substituted with one R 4A .
• R 4 is cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cycloheptyl, or cyclooctyl optionally substituted with one R 4A .
• R 4 is cyclobutyl, cyclohexyl, or cyclooctyl optionally substituted with one R 4A .
• R 4 is cyclopropyl optionally substituted with one R 4A .
• R 4 is cyclobutyl optionally substituted with one R 4A .
• R 4 is cyclopentyl optionally substituted with one R 4A . In some embodiments, R 4 is cyclohexyl optionally substituted with one R 4A . In some embodiments, R 4 is cycloheptyl optionally substituted with one R 4A . In some embodiments, R 4 is cyclooctyl optionally substituted with one R 4A .
• R 4 is C 3 -C 10 cycloalkyl.
• R 4 is cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cycloheptyl, or cyclooctyl.
• R 4 is cyclobutyl, cyclohexyl, or cyclooctyl.
• R 4 is cyclopropyl.
• R 4 is cyclobutyl.
• R 4 is cyclopentyl.
• R 4 is cyclohexyl.
• R 4 is cycloheptyl.
• R 4 is cyclooctyl.
• R 4 is a 4 to 6 membered heterocyclyl having 1 to 3 heteroatoms independently selected from N, O and S, wherein the 4 to 6 membered heterocyclyl substituted with one R 4A .
• R 4 is a 4 to 6 membered heterocyclyl having 1 or 2 heteroatoms independently selected from N, O and S, wherein the 4 to 6 membered heterocyclyl is optionally substituted with one R 4A .
• R 4 is a 4 to 6 membered heterocyclyl having 1 heteroatom selected from N, O and S, wherein the 4 to 6 membered heterocyclyl is optionally substituted with one R 4A .
• R 4 is a 4 to 6 membered heterocyclyl having one O atom , wherein the 4 to 6 membered heterocyclyl is optionally substituted with one R 4A .
• R 4 is a oxetanyl, tetrahydrofuryl, or tetrahydropyranyl, each of which is optionally substituted with one R 4A .
• R 4 is a oxetanyl or tetrahydropyranyl, each of which is optionally substituted with one R 4A .
• R 4 is a oxetanyl optionally substituted with one R 4A .
• R 4 is a tetrahydropyranyl optionally substituted with one R 4A .
• R 4 is a 4 to 6 membered heterocyclyl having 1 to 3 heteroatoms independently selected from N, O and S.
• R 4 is a 4 to 6 membered heterocyclyl having 1 or 2 heteroatoms independently selected from N, O and S.
• R 4 is a 4 to 6 membered heterocyclyl having 1 heteroatom selected from N, O and S.
• R 4 is a 4 to 6 membered heterocyclyl having one O atom.
• R 4 is a oxetanyl, tetrahydrofuryl, or tetrahydropyranyl. In some embodiments, R 4 is a oxetanyl or tetrahydropyranyl. In some embodiments, R 4 is a oxetanyl. In some embodiments, R 4 is a tetrahydropyranyl.
• R 4 is C 1 -C 8 alkyl, C 3 -C 10 cycloalkyl, or 4-6 membered heterocyclyl containing one heteroatom selected from N, O, and S, wherein the C 1 -C 8 alkyl, C 3 -C 10 cycloalkyl, or 4-6 membered heterocyclyl is optionally substituted with one R 4A .
• R 4 is C 1 -C 8 alkyl, C 3 -C 10 cycloalkyl, or 4-6 membered heterocyclyl containing one O atom, wherein the C 1 -C 8 alkyl, C 3 -C 10 cycloalkyl, or 4-6 membered heterocyclyl is optionally substituted with one R 4A .
• R 4 is a C 1 - 6 alkyl, C 3 -C 8 cycloalkyl, or 4-6 membered heterocyclyl containing one heteroatom selected from N, O, and S, wherein the C 1 - 6 alkyl, C 3 -C 8 cycloalkyl, or 4-6 membered heterocyclyl is optionally substituted with one R 4A .
• R 4 is a C M alkyl, C 3 -C 8 cycloalkyl, or 4-6 membered heterocyclyl containing one heteroatom selected from N, O, and S, wherein the C 1-4 alkyl, C 3 -C 8 cycloalkyl, or 4-6 membered heterocyclyl is optionally substituted with one R 4A .
• R 4 is methyl, ethyl, propyl, butyl, cyclobutyl, cyclohexyl, cyclooctyl, oxetanyl, tetrahydrofuryl, or tetrahydropyranyl, each of which is optionally substituted with one R 4A .
• R 4 is C 1 -C 8 alkyl, C 3 -C 10 cycloalkyl, or 4-6 membered heterocyclyl containing one heteroatom selected from N, O, and S.
• R 4 is a C 1 -C 6 alkyl, C 3 -C 8 cycloalkyl, or 4-6 membered heterocyclyl containing one heteroatom selected from N, O, and S.
• R 4 is methyl, ethyl, propyl, butyl, pentyl, hexyl, cyclobutyl, cyclohexyl, cyclooctyl, oxetanyl, tetrahydrofuryl, or tetrahydropyranyl.
• R 4 is -(CR 8 R 9 CR 10 R 11 O) m R 12 , wherein m is 1, 2, 3, 4, or 5; each R 8 , R 9 , R 10 , and R 11 is independently H or methyl; and R 12 is C 1 -C 3 alkyl. In some embodiments, m is 1, 2, 3, 4, or 5; each R 8 , R 9 , R 10 , and R 11 is H; and R 12 is C 1 -C 3 alkyl.
• R 4 is methyl, ethyl, n-propyl, isopropyl, , cyclobutyl, cyclohexyl, cyclooctyl,
• R 4 is methyl, ethyl, , oxetanyl, tetrahydropyranyl, cyclobutyl, cyclohexyl, cyclooctyl, Ci alkyl substituted with a tetrahydropyranyl,
• R 1 is a -(CO)C 1 -C 3 alkyl
• R 2 is a -(CO)C 1 -C 3 alkyl
• R 4 is C 1 -C 8 alkyl, - (CR 8 R 9 CR 10 R 11 O) m R 12 ,C 3 -Cio cycloalkyl, or 4-6 membered heterocyclyl containing one heteroatom selected from N, O, and S, wherein the C 1 -C 8 alkyl, C 3 -C 10 cycloalkyl, or 4-6 membered heterocyclyl is optionally substituted with one R 4A .
• R 1 is a -(CO)C 1 -C 3 alkyl
• R 2 is a -(CO)C 1 -C 3 alkyl
• R 4 is C 1 -C 6 alkyl, -(CR 8 R 9 CR 10 R 11 O) m R 12 , C 3 -C 10 cycloalkyl, or 4-6 membered heterocyclyl containing one O atom, wherein the C 1 -C 6 alkyl, C 3 - C 10 cycloalkyl, or 4-6 membered heterocyclyl is optionally substituted with one R 4A .
• R 1 is -(CO)methyl, -(CO)ethyl, -(CO)n-propyl, or -(CO)i-propyl
• R 2 - (CO)methyl, -(CO)ethyl, -(CO)n-propyl, or -(CO)i-propyl
• R 4 is methyl, ethyl, propyl, butyl, cyclobutyl, cyclohexyl, cyclooctyl, oxetanyl, tetrahydrofuryl, or tetrahydropyranyl, each of which is optionally substituted with one R 4A .
• R 4A is C 1 -C 3 alkyl, C 1 -C 3 alkoxy, C 1 -C 3 haloalkyl, C 3 -C 10 cycloalkyl, C 6 -C 10 aryl, or 4 to 6 membered heterocyclyl having 1 to 3 heteroatoms independently selected from N, O and S; wherein the C 3 -C 10 cycloalkyl, C 6 -C 10 aryl, or 4 to 6 membered heterocyclyl is optionally substituted with one or two substituents independently selected from the group consisting of C 1 -C 6 alkyl, halo, C 1 -C 6 haloalkyl, and C 1 -C 6 alkoxy.
• R 4A is C 1 -C 3 alkyl, C 1 -C 3 alkoxy, C 1 -C 3 haloalkyl, C 3 -C 10 cycloalkyl, C 6 -C 10 aryl, or 4 to 6 membered heterocyclyl having 1 to 3 heteroatoms independently selected from N, O and S.
• R 4A is C 1 -C 3 alkyl, C 1 -C 3 alkoxy, C 1 -C 3 haloalkyl, C 3 -C 10 cycloalkyl, C 6 -C 10 aryl, or 4 to 6 membered heterocyclyl having 1 or 2 heteroatoms independently selected from N, O and S.
• R 4A is C 1 -C 3 alkyl, C 1 -C 3 alkoxy, C 1 -C 3 haloalkyl, C 3 -C 10 cycloalkyl, C 6 -C 10 aryl, or 4 to 6 membered heterocyclyl having one heteroatom selected from N, O and S.
• R 4A is C 1 -C 3 alkyl, C 1 -C 3 alkoxy, C 1 -C 3 haloalkyl, C 3 -C 10 cycloalkyl, or 4 to 6 membered heterocyclyl having one heteroatom selected from N, O and S.
• R 4A is methyl, ethyl, propyl, halo methyl, methoxy, halo ethyl, halo propyl, cyclopropyl, cyclobutyl, cyclopropyl, cyclohexyl, oxetanyl, tetrahydrofuryl, or tetrahydropyranyl.
• R 4A is methyl, ethyl, propyl, methoxy, cyclopropyl, cyclobutyl, cyclopropyl, cyclohexyl, oxetanyl, tetrahydrofuryl, or tetrahydropyranyl.
• R 4A is methyl, ethyl, methoxy, cyclobutyl, cyclohexyl, oxetanyl, or tetrahydropyranyl. In some embodiments, R 4A is methoxy, cyclobutyl, cyclohexyl, oxetanyl, or tetrahydropyranyl .
• n is 0, 1, 2, or 3.
• n is 0, 1, or 2, or n is 0 or 1.
• n is 0.
• n is 1.
• n is 2.
• n is 3.
• each R 5 is independently halo, cyano, C 1 -C 6 alkyl, C 1 -C 6 haloalkyl, C 3 -C 6 cycloalkyl, C 1 -C 6 alkoxy, C 3 -C 6 cycloalkoxy, -COOR 5A , -SO 2 R 5A , 4 to 6 membered heterocycloalkyl containing one, two or three heteroatoms selected from N, O, and S, or 5 to 6 membered heteroaryl containing one, two or three heteroatoms selected from N, O, and S; wherein the C 1 -C 6 alkyl, C 1 -C 6 haloalkyl, C 3 -C 6 cycloalkyl, C 3 -C 6 cycloalkoxy, C 1 -C 6
• each R 5 is independently halo, cyano, C 1 -C 6 alkyl, C 1 -C 6 haloalkyl, C 3 - C 6 cycloalkyl, C 3 -C 6 cycloalkoxy, C 1 -C 6 alkoxy, -COOR 5A , or -SO 2 R 5A ; wherein the C 1 -C 6 alkyl, C 1 -C 6 haloalkyl, C 3 -C 6 cycloalkyl, C 3 -C 6 cycloalkoxy and C 1 -C 6 alkoxy is optionally substituted with one or two R 5B groups.
• R 5 is independently halo, cyano, C 1 -C 6 alkyl, C 3 -C 6 cycloalkyl, C 1 -C 6 alkoxy, or -SO 2 R 5A ; wherein the C 1 -C 6 alkyl, C 3 -C 6 cycloalkyl and C 1 -C 6 alkoxy is optionally substituted with one or two R 5B groups; or two R 5 groups on adjacent carbon atoms are joined to form a C 5 -C 6 cycloalkyl.
• each R 5 is independently halo, cyano, C 1 -C 6 alkyl, C 3 -C 6 cycloalkyl, C 1 -C 6 alkoxy, or -SO 2 R 5A ; wherein the C 1 -C 6 alkyl is optionally substituted with one or two R 5B groups.
• each R 5A is independently C 1- C 6 alkyl and each R 5B is independently -COOR 5C and -NHCOOR 5D ; wherein R 5C is C 1- C 6 alkyl and R 5D is C 1- C 3 alkyl optionally substituted with a phenyl group.
• each R 5 group on adjacent carbon atoms are joined to form a C 5 - C 6 cycloalkyl.
• each R 5 is independently halo, cyano, C 1 -C 6 alkyl, or C 3 - C 6 cycloalkyl.
• each R 5 is independently C 1 -C 6 alkyl or C 3 -C 6 cycloalkyl.
• each R 5 is independently methyl, tert butyl, or cyclopropyl.
• n is 1, 2, or 3, and each R 5 is independently C 1 -C 6 alkyl or C 3 -C 6 cycloalkyl. In some embodiments, n is 1 or 2, and each R 5 is independently C 1 -C 6 alkyl or C 3 -C 6 cycloalkyl. In some embodiments, n is 1, 2, or 3, and each R 5 is independently methyl, tert butyl, or cyclopropyl. [0079] In some embodiments of the compounds of Formula I, la, lb, II, Ila, lIb, III, IlIa, Illb, and IIIc described herein, R 5 is C 1 -C 4 alkyl. In some embodiments, in some embodiments, R 5 is methyl, ethyl, propyl, or butyl. In some embodiments R 5 is methyl or tert-butyl.
• IIIc is or 5 to 10 membered heteroaryl containing one, two, or three heteroatoms selected from the group consisting of O, N, and S.
• IIIc is a C 6 -C 10 aryl; n is 0, 1, 2, or 3; and each R 5 is independently halo, cyano, C 1 -C 6 alkyl, C 3 -C 6 cycloalkyl, C 1 -C 6 alkoxy, or -SO 2 R 5A ; or two R 5 groups on adjacent carbon atoms are joined to form a C5-C 6 cycloalkyl.
• IIIc is a C 6 -C 10 aryl; n is 0, 1, or 2; and each R 5 is independently halo, cyano, C 1 -C 6 alkyl, C 3 -C 6 cycloalkyl, C 1 -C 6 alkoxy, or -SO 2 R 5A ; or two R 5 groups on adjacent carbon atoms are joined to form a C5-C 6 cycloalkyl.
• n is 0, 1, 2, or 3
• each R 5 is independently C 1 - C 6 alkyl or C 3 -C 6 cycloalkyl; or two R 5 groups on adjacent carbon atoms are joined to form a
• C 5 -C 6 cycloalkyl is a phenyl or napthyl; n is 0, 1, or 2, and each
• R 5 is independently C 1 -C 6 alkyl or C 3 -C 6 cycloalkyl; or two R 5 groups on adjacent carbon atoms are joined to form a C 5 -C 6 cycloalkyl.
• R 5 is a phenyl, n is 0, 1, 2, or
• each R 5 is independently C 1 -C 6 alkyl or C 3 -C 6 cycloalkyl; or two R 5 groups on adjacent carbon atoms are joined to form a C 5 -C 6 cycloalkyl.
• n is 0, 1, or 2
• each R 5 is independently C 1 -C 6 alkyl or C 3 -C 6 cycloalkyl; or two R 5 groups on adjacent carbon atoms are joined to form a C 5 -C 6 cycloalkyl.
• n is 0, 1, 2, or 3
• each R 5 is independently C 1 -C 6 alkyl or C 3 -C 6 cycloalkyl; or two R 5 groups on adjacent carbon atoms are joined to form a C 5 -C 6 cycloalkyl.
• n is 0, 1, or 2
• each R 5 is independently C 1 -C 6 alkyl or C 3 -C 6 cycloalkyl; or two R 5 groups on adjacent carbon atoms are joined to form a C5-C 6 cycloalkyl.
• n is 0, 1, 2, or 3; and each R 5 is independently C 1 -C 6 alkyl or C 3 -C 6 cycloalkyl.
• n is 0, 1, or 2; and each R 5 is independently C 1 -C 6 alkyl or C 3 -C 6 cycloalkyl.
• n is 0, 1, 2, or 3; and each R 5 is independently C 1 -C 6 alkyl or
• C 3 -C 6 cycloalkyl is a phenyl; n is 0, 1, or 2; and each R 5 is independently C 1 -C 6 alkyl or C 3 -C 6 cycloalkyl. In some embodiments, is a napthyl; n is
• each R 5 is independently C 1 -C 6 alkyl or C 3 -C 6 cycloalkyl.
• Ar is a napthyl and n is 0.
• IIIc is a C 6 -C 10 aryl optionally substituted with one or two R 5 groups; wherein each R 5 is independently halo, cyano, C 1 -C 6 alkyl, C 3 -C 6 cycloalkyl, C 1 -C 6 alkoxy, or -SO 2 R 5A ; or two R 5 groups on adjacent carbon atoms are joined to form a C 5 -C 6 cycloalkyl.
• R 5 is independently C 1 -C 6 alkyl or C 3 -C 6 cycloalkyl. In some embodiments, is a phenyl. [0085] In some embodiments of the compounds of Formula I, la, lb, II, Ila, lIb, III, IlIa, Illb, or
• IIIc is a napthyl optionally substituted with one or two R 5 groups; wherein each R 5 is independently C 1 -C 6 alkyl or C 3 -C 6 cycloalkyl; or two R 5 groups on adjacent carbon atoms are joined to form a C 5 -C 6 cycloalkyl.
• IIIc is selected from the group consisting of:
• R 1 is a-(CO)C 1 -C 3 alkyl
• R 2 is a-(CO)C 1 -C 3 alkyl
• R 4 is C 1 -C 8 alkyl, -(CR 8 R 9 CR 10 R 11 O) m R 12 , C 3 -C 10 cycloalkyl, or 4-6 membered heterocyclyl containing one heteroatom selected from N, O, and S, wherein the C 1 -C 8 alkyl, C 3 - C 10 cycloalkyl, or 4-6 membered heterocyclyl is optionally substituted with one or two R 4A ; each R 8 , R 9 , R 10 , R 11 and R 12 is independently H or C 1 -C 3 alkyl;
• R 4A is C 1 -C 3 alkyl, C 1 -C 3 alkoxy, C 1 -C 3 haloalkyl, C 3 -C 10 cycloalkyl, or 4 to 6 membered heterocyclyl having one heteroatom selected from N, O and S; is napthyl or phenyl; n is 0,1, or 2; and
• R 5 is C 1 -C 6 alkyl or C 3 -C 6 cycloalkyl.
• R 1 is a-(CO)C 1 -C 3 alkyl
• R 2 is a-(CO)C 1 -C 3 alkyl
• R 4 is C 1 -C 8 alkyl, -(CR 8 R 9 CR 10 R 11 O) m R 12 , C 3 -C 10 cycloalkyl, or 4-6 membered heterocyclyl containing one O atom, wherein the C 1 -C 8 alkyl, C 3 -C 10 cycloalkyl, or 4-6 membered heterocyclyl is optionally substituted with one or two R 4A ; each R 8 , R 9 , R 10 , R 11 and R 12 is independently H or C 1 -C 3 alkyl;
• R 4A is methyl, ethyl, propyl, halo methoxy, halo ethyl, halo propyl, cyclopropyl, cyclobutyl, cyclopropyl, cyclohexyl, oxetanyl, tetrahydrofuryl, or tetrahydropyranyl; is napthyl or phenyl; n is 0, 1, or 2; and
• R 5 is C 1 -C 6 alkyl or C 3 -C 6 cycloalkyl.
• R 1 is a-(CO)C 1 -C 3 alkyl
• R 2 is a-(CO)C 1 -C 3 alkyl
• R 4 is C 1 -C 8 alkyl, C 3 -C 10 cycloalkyl, or 4-6 membered heterocyclyl containing one O atom, wherein the C 1 -C 8 alkyl, C 3 -C 10 cycloalkyl, or 4-6 membered heterocyclyl is optionally substituted with one or two R 4A ;
• R 4A is methyl, methoxy, ethyl, propyl, cyclopropyl, cyclobutyl, cyclopropyl, cyclohexyl, oxetanyl, tetrahydrofuryl, or tetrahydropyranyl; is napthyl or phenyl; n is 0 or 1 ; and
• R 5 is C 1 -C 6 alkyl or C 3 -C 6 cycloalkyl.
• R 1 is a-(CO)C 1 -C 3 alkyl
• R 2 is a-(CO)C 1 -C 3 alkyl
• R 4 is C 1 -C 8 alkyl, -(CR 8 R 9 CR 10 R 11 O) m R 12 , C 3 -C 10 cycloalkyl, or 4-6 membered heterocyclyl containing one O atom, wherein the C 1 -C 8 alkyl, C 3 -C 10 cycloalkyl, or 4-6 membered heterocyclyl is optionally substituted with one or two R 4A ; each R 8 , R 9 , R 10 , R 11 and R 12 is independently H or methyl;
• R 4A is methyl, methoxy, ethyl, cyclobutyl, cyclohexyl, oxetanyl, or tetrahydropyranyl; is napthyl or phenyl; n is 0, 1, or 2; and R 5 is C 1 -C 6 alkyl or cyclopropyl.
• R 1 is a-(CO)C 1 -C 3 alkyl
• R 2 is a-(CO)C 1 -C 3 alkyl
• R 4 is C 1 -C 8 alkyl, -(CR 8 R 9 CR 10 R 11 O) m R 12 , C 3 -C 10 cycloalkyl, or 4-6 membered heterocyclyl containing one O atom, wherein the C 1 -C 8 alkyl, C 3 -C 10 cycloalkyl, or 4-6 membered heterocyclyl is optionally substituted with one or two R 4A ; each R 8 , R 9 , R 10 , R 11 and R 12 is independently H or methyl;
• R 4A is cyclobutyl, cyclohexyl, methoxy, oxetanyl, or tetrahydropyranyl; n is 0, 1 or 2; and
• R 5 is C 1 -C 6 alkyl or cyclopropyl.
• the compound of Formula I, la, lb, II, Ila, lIb, III, IlIa, IIIb, or IIIc is selected from the group consisting of:
• IIIc is selected from the group consisting of: [0094] In some embodiments, the compound of Formula I, la, lb, II, Ila, lIb, III, IlIa, IIIb, or
• IIIc is selected from the group consisting of:
• the compound of Formula I, la, lb, II, Ila, lIb, III, IlIa, IIIb, or IIIc is selected from the group consisting of:
• any reference to the compounds of the invention described herein also includes a reference to a pharmaceutically acceptable salt thereof.
• pharmaceutically acceptable salts of the compounds of the invention include salts derived from an appropriate base, such as an alkali metal or an alkaline earth (for example, Na + , Li + , K+ ⁇ Ca +2 and Mg +2 ), ammonium and NR4 + (wherein R is defined herein).
• salts of a nitrogen atom or an amino group include (a) acid addition salts formed with inorganic acids, for example, hydrochloric acid, hydrobromic acid, sulfuric acid, sulfamic acids, phosphoric acid, nitric acid and the like; (b) salts formed with organic acids such as, for example, acetic acid, oxalic acid, tartaric acid, succinic acid, maleic acid, fumaric acid, gluconic acid, citric acid, malic acid, ascorbic acid, benzoic acid, isethionic acid, lactobionic acid, tannic acid, palmitic acid, alginic acid, polyglutamic acid, naphthalenesulfonic acid, methanesulfonic acid, p- toluenesulfonic acid, benzenesulfonic acid, naphthalenedisulfonic acid, polygalacturonic acid, malonic acid, sulfosalicylic acid, glycolic acid,
• compositions of a compound of a hydroxy group include the anion of said compound in combination with a suitable cation such as Na + and NR4 + .
• a suitable cation such as Na + and NR4 + .
• the compounds disclosed herein e.g. compounds of Formula I, la, lb, II, Ila, lIb, III, IlIa, IIIb, or IIIc
• its pharmaceutically acceptable salts may exist as different polymorphs or pseudopolymorphs.
• crystalline polymorphism means the ability of a crystalline compound to exist in different crystal structures. The crystalline polymorphism may result from differences in crystal packing (packing polymorphism) or differences in packing between different conformers of the same molecule (conformational polymorphism).
• crystalline pseudopolymorphism means the ability of a hydrate or solvate of a compound to exist in different crystal structures.
• the pseudopolymorphs of the instant invention may exist due to differences in crystal packing (packing pseudopolymorphism) or due to differences in packing between different conformers of the same molecule (conformational pseudopolymorphism).
• the instant invention comprises all polymorphs and pseudopolymorphs of the compounds of Formula I, la, lb, II, Ila, lIb, III, IlIa, IIIb, or IIIc, and their pharmaceutically acceptable salts.
• the compounds disclosed herein may also exist as an amorphous solid.
• an amorphous solid is a solid in which there is no long-range order of the positions of the atoms in the solid. This definition applies as well when the crystal size is two nanometers or less.
• Additives, including solvents may be used to create the amorphous forms of the instant invention.
• the instant invention comprises all amorphous forms of the compounds of Formula I, la, lb, II, Ila, lIb, III, IlIa, IIIb, or IIIc, and their pharmaceutically acceptable salts.
• salts of active ingredients of the compounds of the invention will be pharmaceutically acceptable, i.e. they will be salts derived from a pharmaceutically acceptable acid or base.
• salts of acids or bases which are not pharmaceutically acceptable may also find use, for example, in the preparation or purification of a pharmaceutically acceptable compound. All salts, whether or not derived form a pharmaceutically acceptable acid or base, are within the scope of the present invention.
• the compounds of the invention may have chiral centers, e.g. chiral carbon or phosphorus atoms.
• the compounds of the invention thus include racemic mixtures of all stereoisomers, including enantiomers, diastereomers, and atropisomers.
• the compounds of the invention include enriched or resolved optical isomers at any or all asymmetric, chiral atoms. In other words, the chiral centers apparent from the depictions are provided as the chiral isomers or racemic mixtures.
• racemic and diastereomeric mixtures are separated into their individual, substantially optically pure isomers through appropiate techniques such as, for example, the separation of diastereomeric salts formed with optically active adjuncts, e.g., acids or bases followed by conversion back to the optically active substances.
• optically active adjuncts e.g., acids or bases followed by conversion back to the optically active substances.
• the desired optical isomer is synthesized by means of stereo specific reactions, beginning with the appropriate stereoisomer of the desired starting material.
• stereoisomers are identical except that they are mirror images of one another.
• a specific stereoisomer may also be referred to as an enantiomer, and a mixture of such isomers is often called an enantiomeric mixture.
• a 50:50 mixture of enantiomers is referred to as a racemic mixture or a racemate, which may occur where there has been no stereoselection or stereo specificity in a chemical reaction or process.
• racemic mixture and “racemate” refer to an equimolar mixture of two enantiomeric species, devoid of optical activity.
• the compounds of the invention may also exist as tautomeric isomers in certain cases. Although only one delocalized resonance structure may be depicted, all such forms are contemplated within the scope of the invention.
• ene-amine tautomers can exist for purine, pyrimidine, imidazole, guanidine, amidine, and tetrazole systems and all their possible tautomeric forms are within the scope of the invention.
• any formula or structure given herein, including Formula I compounds, is also intended to represent unlabeled forms as well as isotopically labeled forms of the compounds.
• Isotopically labeled compounds have structures depicted by the formulas given herein except that one or more atoms are replaced by an atom having a selected atomic mass or mass number.
• isotopes that can be incorporated into compounds of the disclosure include isotopes of hydrogen, carbon, nitrogen, oxygen, phosphorous, fluorine and chlorine, such as, but not limited to 2 H (deuterium, D), 3 H (tritium), n C, 13 C, 14 C, 15 N, 18 F, 31 P, 32 P, 35 S, 36 C1 and 125 I.
• isotopically labeled compounds of the present disclosure for example those into which radioactive isotopes such as 3 ⁇ 4 13 C and 14 C are incorporated.
• isotopically labelled compounds may be useful in metabolic studies, reaction kinetic studies, detection or imaging techniques, such as positron emission tomography (PET) or single-photon emission computed tomography (SPECT) including drug or substrate tissue distribution assays or in radioactive treatment of patients.
• PET positron emission tomography
• SPECT single-photon emission computed tomography
• the disclosure also includes compounds of Formula I in which from 1 to n hydrogens attached to a carbon atom is/are replaced by deuterium, in which n is the number of hydrogens in the molecule.
• Such compounds exhibit increased resistance to metabolism and are thus useful for increasing the half-life of any compound of Formula I when administered to a mammal, particularly a human. See, for example, Foster, “Deuterium Isotope Effects in Studies of Drug Metabolism”, Trends Pharmacol. Sci. 5(12):524-527 (1984).
• such compounds are synthesized by means known in the art, for example by employing starting materials in which one or more hydrogens have been replaced by deuterium.
• Deuterium labeled or substituted therapeutic compounds of the disclosure may have improved DMPK (drug metabolism and pharmacokinetics) properties, relating to distribution, metabolism and excretion (ADME). Substitution with heavier isotopes such as deuterium may afford certain therapeutic advantages resulting from greater metabolic stability, for example increased in vivo half-life, reduced dosage requirements and/or an improvement in therapeutic index.
• An 18 F labeled compound may be useful for PET or SPECT studies.
• Isotopically labeled compounds of this disclosure and prodrugs thereof can generally be prepared by carrying out the procedures disclosed in the schemes or in the examples and preparations described below by substituting a readily available isotopically labeled reagent for a non-isotopically labeled reagent.
• deuterium in this context is regarded as a substituent in the compound of Formula I.
• concentration of such a heavier isotope, specifically deuterium may be defined by an isotopic enrichment factor.
• any atom not specifically designated as a particular isotope is meant to represent any stable isotope of that atom.
• a position is designated specifically as “H” or “hydrogen”, the position is understood to have hydrogen at its natural abundance isotopic composition.
• any atom specifically designated as a deuterium (D) is meant to represent deuterium.
• Wavy lines indicate the site of covalent bond attachments to the adjoining substructures, groups, moieties, or atoms.
• the compounds disclosed herein may be formulated with conventional carriers and excipients.
• tablets will contain excipients, glidants, fillers, binders and the like.
• Aqueous formulations are prepared in sterile form, and when intended for delivery by other than oral administration generally will be isotonic. All formulations may optionally contain excipients such as those set forth in the “Handbook of Pharmaceutical Excipients” (1986).
• Excipients include ascorbic acid and other antioxidants, chelating agents such as EDTA, carbohydrates such as dextran, hydroxyalkylcellulose, hydroxyalkylmethylcellulose, stearic acid and the like.
• the pH of the formulations ranges from about 3 to about 11, but is ordinarily about 7 to 10. In some embodiments, the pH of the formulations ranges from about 2 to about 5, but is ordinarily about
• the active ingredients While it is possible for the compounds of the disclosure (“the active ingredients”) to be administered alone it may be preferable to present them as pharmaceutical formulations.
• the formulations, both for veterinary and for human use, of the invention comprise at least one active ingredient, as above defined, together with one or more acceptable carriers therefor and optionally other therapeutic ingredients, particularly those additional therapeutic ingredients as discussed herein.
• the carrier(s) must be “acceptable” in the sense of being compatible with the other ingredients of the formulation and physiologically innocuous to the recipient thereof.
• the formulations include those suitable for the foregoing administration routes.
• the formulations may conveniently be presented in unit dosage form and may be prepared by any appropriate method known in the art of pharmacy. Techniques and formulations generally are found in Remington's Pharmaceutical Sciences (Mack Publishing Co., Easton, PA). Such methods include the step of bringing into association the active ingredient with the carrier which constitutes one or more accessory ingredients. In general the formulations are prepared by uniformly and intimately bringing into association the active ingredient with liquid carriers or finely divided solid carriers or both, and then, if necessary, shaping the product.
• Formulations of the present invention suitable for oral administration may be presented as discrete units such as capsules, cachets or tablets each containing a predetermined amount of the active ingredient; as a powder or granules; as a solution or a suspension in an aqueous or non-aqueous liquid; or as an oi1-in-water liquid emulsion or a water-in-oil liquid emulsion.
• the active ingredient may also be administered as a bolus, electuary or paste.
• a tablet is made by compression or molding, optionally with one or more accessory ingredients.
• Compressed tablets may be prepared by compressing in a suitable machine the active ingredient in a free-flowing form such as a powder or granules, optionally mixed with a binder, lubricant, inert diluent, preservative, surface active or dispersing agent.
• Molded tablets may be made by molding in a suitable machine a mixture of the powdered active ingredient moistened with an inert liquid diluent.
• the tablets may optionally be coated or scored and optionally are formulated so as to provide slow or controlled release of the active ingredient therefrom.
• the formulations are preferably applied as a topical ointment or cream containing the active ingredient(s) in an amount of, for example, 0.075 to 20% w/w (including active ingredient(s) in a range between 0.1% and 20% in increments of 0.1% w/w such as 0.6% w/w, 0.7% w/w, etc.), preferably 0.2 to 15% w/w and most preferably 0.5 to 10% w/w.
• the active ingredients may be employed with either a paraffinic or a water-miscible ointment base.
• the active ingredients may be formulated in a cream with an oi1-in-water cream base.
• the aqueous phase of the cream base may include, for example, at least 30% w/w of a polyhydric alcohol, i.e. an alcohol having two or more hydroxyl groups such as propylene glycol, butane 1,3-diol, mannitol, sorbitol, glycerol and polyethylene glycol (including PEG 400) and mixtures thereof.
• the topical formulations may desirably include a compound which enhances absorption or penetration of the active ingredient through the skin or other affected areas. Examples of such dermal penetration enhancers include dimethyl sulphoxide and related analogs.
• the oily phase of the emulsions of this invention may be constituted from known ingredients in a known manner. While the phase may comprise merely an emulsifier (otherwise known as an emulgent), it desirably comprises a mixture of at least one emulsifier with a fat or an oil or with both a fat and an oil. Preferably, a hydrophilic emulsifier is included together with a lipophilic emulsifier which acts as a stabilizer. It is also preferred to include both an oil and a fat.
• the emulsifier(s) with or without stabilizer(s) make up the so-called emulsifying wax
• the wax together with the oil and fat make up the so-called emulsifying ointment base which forms the oily dispersed phase of the cream formulations.
• Emulgents and emulsion stabilizers suitable for use in the formulation of the invention include Tween® 60, Span® 80, cetostearyl alcohol, benzyl alcohol, myristyl alcohol, glyceryl mono-stearate and sodium lauryl sulfate. Further emulgents and emulsion stabilizers suitable for use in the formulation of the invention include Tween® 80.
• the choice of suitable oils or fats for the formulation is based on achieving the desired cosmetic properties.
• the cream should preferably be a non-greasy, non-staining and washable product with suitable consistency to avoid leakage from tubes or other containers.
• Straight or branched chain, mono- or dibasic alkyl esters such as di-isoadipate, isocetyl stearate, propylene glycol diester of coconut fatty acids, isopropyl myristate, decyl oleate, isopropyl palmitate, butyl stearate, 2-ethylhexyl palmitate or a blend of branched chain esters known as Crodamol CAP may be used, the last three being preferred esters. These may be used alone or in combination depending on the properties required. Alternatively, high melting point lipids such as white soft paraffin and/or liquid paraffin or other mineral oils are used.
• compositions according to the present invention comprise a compound according to the invention together with one or more pharmaceutically acceptable carriers or excipients and optionally other therapeutic agents.
• Pharmaceutical formulations containing the active ingredient may be in any form suitable for the intended method of administration.
• tablets, troches, lozenges, aqueous or oil suspensions, dispersible powders or granules, emulsions, hard or soft capsules, syrups or elixirs may be prepared.
• Compositions intended for oral use may be prepared according to any method known to the art for the manufacture of pharmaceutical compositions and such compositions may contain one or more agents including sweetening agents, flavoring agents, coloring agents and preserving agents, in order to provide a palatable preparation.
• Tablets containing the active ingredient in admixture with non-toxic pharmaceutically acceptable excipient which are suitable for manufacture of tablets are acceptable.
• excipients may be, for example, inert diluents, such as calcium or sodium carbonate, lactose, calcium or sodium phosphate; granulating and disintegrating agents, such as maize starch, or alginic acid; binding agents, such as starch, gelatin or acacia; and lubricating agents, such as magnesium stearate, stearic acid or talc.
• Tablets may be uncoated or may be coated by known techniques including microencapsulation to delay disintegration and adsorption in the gastrointestinal tract and thereby provide a sustained action over a longer period.
• a time delay material such as glyceryl monostearate or glyceryl distearate alone or with a wax may be employed.
• Formulations for oral use may be also presented as hard gelatin capsules where the active ingredient is mixed with an inert solid diluent, for example calcium phosphate or kaolin, or as soft gelatin capsules wherein the active ingredient is mixed with water or an oil medium, such as peanut oil, liquid paraffin or olive oil.
• an inert solid diluent for example calcium phosphate or kaolin
• an oil medium such as peanut oil, liquid paraffin or olive oil.
• Aqueous suspensions of the invention contain the active materials in admixture with excipients suitable for the manufacture of aqueous suspensions.
• excipients include a suspending agent, such as sodium carboxymethylcellulose, methylcellulose, hydroxypropyl methylcelluose, sodium alginate, polyvinylpyrrolidone, gum tragacanth and gum acacia, and dispersing or wetting agents such as a naturally-occurring phosphatide (e.g., lecithin), a condensation product of an alkylene oxide with a fatty acid (e.g., polyoxyethylene stearate), a condensation product of ethylene oxide with a long chain aliphatic alcohol (e.g., heptadecaethyleneoxycetanol), a condensation product of ethylene oxide with a partial ester derived from a fatty acid and a hexitol anhydride (e.g., polyoxyethylene sorbitan monooleate).
• the aqueous suspension may also contain one or more preservatives such as ethyl or n-propyl p- hydroxy-benzoate, one or more coloring agents, one or more flavoring agents and one or more sweetening agents, such as sucrose or saccharin.
• preservatives such as ethyl or n-propyl p- hydroxy-benzoate
• coloring agents such as ethyl or n-propyl p- hydroxy-benzoate
• flavoring agents such as sucrose or saccharin.
• sweetening agents such as sucrose or saccharin.
• suspending agents include Cyclodextrin and Captisol (Sulfobutyl ether beta-cyclodextrin; SEB-beta-CD).
• Oil suspensions may be formulated by suspending the active ingredient in a vegetable oil, such as arachis oil, olive oil, sesame oil or coconut oil, or in a mineral oil such as liquid paraffin.
• the oral suspensions may contain a thickening agent, such as beeswax, hard paraffin or cetyl alcohol.
• Sweetening agents, such as those set forth above, and flavoring agents may be added to provide a palatable oral preparation.
• These compositions may be preserved by the addition of an antioxidant such as ascorbic acid.
• Dispersible powders and granules of the invention suitable for preparation of an aqueous suspension by the addition of water provide the active ingredient in admixture with a dispersing or wetting agent, a suspending agent, and one or more preservatives.
• a dispersing or wetting agent and suspending agents are exemplified by those disclosed above. Additional excipients, for example sweetening, flavoring and coloring agents, may also be present.
• the pharmaceutical compositions of the invention may also be in the form of oi1-in- water emulsions.
• the oily phase may be a vegetable oil, such as olive oil or arachis oil, a mineral oil, such as liquid paraffin, or a mixture of these.
• Suitable emulsifying agents include naturally-occurring gums, such as gum acacia and gum tragacanth, naturally-occurring phosphatides, such as soybean lecithin, esters or partial esters derived from fatty acids and hexitol anhydrides, such as sorbitan monooleate, and condensation products of these partial esters with ethylene oxide, such as polyoxyethylene sorbitan monooleate.
• the emulsion may also contain sweetening and flavoring agents.
• Syrups and elixirs may be formulated with sweetening agents, such as glycerol, sorbitol or sucrose.
• Such formulations may also contain a demulcent, a preservative, a flavoring or a coloring agent.
• the pharmaceutical compositions of the invention may be in the form of a sterile injectable preparation, such as a sterile injectable aqueous or oleaginous suspension.
• a sterile injectable preparation such as a sterile injectable aqueous or oleaginous suspension.
• This suspension may be formulated according to the known art using those suitable dispersing or wetting agents and suspending agents which have been mentioned above.
• the sterile injectable preparation may also be a sterile injectable solution or suspension in a non-toxic parenterally acceptable diluent or solvent, such as a solution in 1,3-butane-diol or prepared as a lyophilized powder.
• a non-toxic parenterally acceptable diluent or solvent such as a solution in 1,3-butane-diol or prepared as a lyophilized powder.
• acceptable vehicles and solvents that may be employed are water, Ringer's solution and isotonic sodium chloride solution.
• sterile fixed oils may conventionally be employed as a solvent or suspending medium.
• any bland fixed oil may be employed including synthetic mono- or diglycerides.
• fatty acids such as oleic acid may likewise be used in the preparation of injectables.
• acceptable vehicles and solvents that may be employed are water, Ringer's solution isotonic sodium chloride solution, and hypertonic sodium chloride solution.
• a time-release formulation intended for oral administration to humans may contain approximately 1 to 1000 mg of active material compounded with an appropriate and convenient amount of carrier material which may vary from about 5 to about 95% of the total compositions (weight:weight).
• the pharmaceutical composition can be prepared to provide easily measurable amounts for administration.
• an aqueous solution intended for intravenous infusion may contain from about 3 to 500 mg of the active ingredient per milliliter of solution in order that infusion of a suitable volume at a rate of about
• Formulations suitable for topical administration to the eye also include eye drops wherein the active ingredient is dissolved or suspended in a suitable carrier, especially an aqueous solvent for the active ingredient.
• the active ingredient is preferably present in such formulations in a concentration of 0.5 to 20%, advantageously 0.5 to 10%, and particularly about 1.5% w/w.
• Formulations suitable for topical administration in the mouth include lozenges comprising the active ingredient in a flavored basis, usually sucrose and acacia or tragacanth; pastilles comprising the active ingredient in an inert basis such as gelatin and glycerin, or sucrose and acacia; and mouthwashes comprising the active ingredient in a suitable liquid carrier.
• Formulations for rectal administration may be presented as a suppository with a suitable base comprising for example cocoa butter or a salicylate.
• the compounds disclosed herein are administered by inhalation.
• formulations suitable for intrapulmonary or nasal administration have a particle size for example in the range of 0.1 to 500 microns, such as 0.5, 1, 30, 35 etc., which is administered by rapid inhalation through the nasal passage or by inhalation through the mouth so as to reach the alveolar sacs.
• Suitable formulations include aqueous or oily solutions of the active ingredient.
• Formulations suitable for aerosol or dry powder administration may be prepared according to conventional methods and may be delivered with other therapeutic agents.
• the compounds used herein are formulated and dosed as dry powder.
• the compounds used herein are formulated and dosed as a nebulized formulation.
• the compounds used herein are formulated for delivery by a face mask. In some embodiments, the compounds used herein are formulated for delivery by a face tent. [00133] Formulations suitable for vaginal administration may be presented as pessaries, tampons, creams, gels, pastes, foams or spray formulations containing in addition to the active ingredient such carriers as are known in the art to be appropriate.
• Formulations suitable for parenteral administration include aqueous and non-aqueous sterile injection solutions which may contain anti- oxidants, buffers, bacteriostats and solutes which render the formulation isotonic with the blood of the intended recipient; and aqueous and non-aqueous sterile suspensions which may include suspending agents and thickening agents.
• the formulations are presented in unit-dose or multi-dose containers, for example sealed ampoules and vials, and may be stored in a freeze-dried (lyophilized) condition requiring only the addition of the sterile liquid carrier, for example water for injection, immediately prior to use.
• sterile liquid carrier for example water for injection
• Extemporaneous injection solutions and suspensions are prepared from sterile powders, granules and tablets of the kind previously described.
• Preferred unit dosage formulations are those containing a daily dose or unit daily sub-dose, as herein above recited, or an appropriate fraction thereof, of the active ingredient.
• formulations of this invention may include other agents conventional in the art having regard to the type of formulation in question, for example those suitable for oral administration may include flavoring agents.
• the invention further provides veterinary compositions comprising at least one active ingredient as above defined together with a veterinary carrier therefor.
• Veterinary carriers are materials useful for the purpose of administering the composition and may be solid, liquid or gaseous materials which are otherwise inert or acceptable in the veterinary art and are compatible with the active ingredient. These veterinary compositions may be administered orally, parenterally or by any other desired route.
• Compounds of the invention are used to provide controlled release pharmaceutical formulations containing as active ingredient one or more compounds of the invention (“controlled release formulations”) in which the release of the active ingredient are controlled and regulated to allow less frequency dosing or to improve the pharmacokinetic or toxicity profile of a given active ingredient.
• kits that includes a compound disclosed herein (e.g. compounds of Formula I, la, lb, II, Ila, lIb, III, IlIa, IIIb, or IIIc), a pharmaceutically acceptable salt, stereoisomer, mixture of stereoisomers or tautomer thereof.
• the kits described herein may comprise a label and/or instructions for use of the compound in the treatment of a disease or condition in a subject (e.g., human) in need thereof.
• the disease or condition is viral infection.
• the kit may also comprise one or more additional therapeutic agents and/or instructions for use of additional therapeutic agents in combination with the compound of Formula I in the treatment of the disease or condition in a subject (e.g., human) in need thereof.
• kits provided herein comprises individual dose units of a compound as described herein, or a pharmaceutically acceptable salt, racemate, enantiomer, diastereomer, tautomer, polymorph, pseudopolymorph, amorphous form, hydrate or solvate thereof.
• individual dosage units may include pills, tablets, capsules, prefilled syringes or syringe cartridges, IV bags, inhalers, nebulizers etc., each comprising a therapeutically effective amount of the compound in question, or a pharmaceutically acceptable salt, racemate, enantiomer, diastereomer, tautomer, polymorph, pseudopolymorph, amorphous form, hydrate or solvate thereof.
• the kit may contain a single dosage unit and in others multiple dosage units are present, such as the number of dosage units required for a specified regimen or period.
• articles of manufacture that include a compound of Formula I, or a pharmaceutically acceptable salt, stereoisomer, mixture of stereoisomers or tautomer thereof; and a container.
• the container of the article of manufacture is a vial, jar, ampoule, preloaded syringe, blister package, tin, can, bottle, box, an intravenous bag, an inhaler, or a nebulizer.
• One or more compounds of the invention are administered by any route appropriate to the condition to be treated. Suitable routes include oral, rectal, inhalation, pulmonary, topical (including buccal and sublingual), vaginal and parenteral (including subcutaneous, intramuscular, intravenous, intradermal, intrathecal and epidural), and the like. In some embodiments, the compounds disclosed herein are administered by inhalation or intravenously.
• the preferred route may vary with for example the condition of the recipient.
• the compounds of the present invention can be administered at any time to a human who may come into contact with the virus or is already suffering from the viral infection.
• the compounds of the present invention can be administered prophylactically to humans coming into contact with humans suffering from the viral infection or at risk of coming into contact with humans suffering from the viral infection, e.g. healthcare providers.
• administration of the compounds of the present invention can be to humans testing positive for the viral infection but not yet showing symptoms of the viral infection.
• administration of the compounds of the present invention can be to humans upon commencement of symptoms of the viral infection.
• the methods disclosed herein comprise event driven administration of the compound of Formula I, or a pharmaceutically acceptable salt thereof, to the subject.
• the terms “event driven” or “event driven administration” refer to administration of the compound of Formula I, or a pharmaceutically acceptable salt thereof, (1) prior to an event (e.g., 2 hours, 1 day, 2 days, 5 day, or 7 or more days prior to the event) that would expose the individual to the virus (or that would otherwise increase the individual’s risk of acquiring the viral infection); and/or (2) during an event (or more than one recurring event) that would expose the individual to the virus (or that would otherwise increase the individual’s risk of acquiring the viral infection); and/or (3) after an event (or after the final event in a series of recurring events) that would expose the individual to the virus (or that would otherwise increase the individual’s risk of acquiring the viral infection).
• an event e.g., 2 hours, 1 day, 2 days, 5 day, or 7 or more days prior to the event
• an event e.g., 2 hours, 1 day, 2 days, 5 day, or 7 or more days prior to the event
• an event e.g.,
• the event driven administration is performed pre-exposure of the subject to the virus. In some embodiments, the event driven administration is performed post-exposure of the subject to the virus. In some embodiments, the event driven administration is performed pre-exposure of the subject to the virus and post-exposure of the subject to the virus.
• the methods disclosed herein involve administration prior to and/or after an event that would expose the individual to the virus or that would otherwise increase the individual’s risk of acquiring the viral infection, e.g., as pre-exposure prophylaxis (PrEP) and/or as post-exposure prophylaxis (PEP).
• the methods disclosed herein comprise pre-exposure prophylaxis (PrEP).
• methods disclosed herein comprise post-exposure prophylaxis (PEP).
• the compound of Formula I, or a pharmaceutically acceptable salt thereof is administered before exposure of the subject to the virus.
• the compound of Formula I, or a pharmaceutically acceptable salt thereof is administered before and after exposure of the subject to the virus.
• the compound of Formula I, or a pharmaceutically acceptable salt thereof is administered after exposure of the subject to the virus.
• An example of event driven dosing regimen includes administration of the compound of Formula I, or a pharmaceutically acceptable salt thereof, within 24 to 2 hours prior to the virus, followed by administration of the compound of Formula I, or a pharmaceutically acceptable salt, every 24 hours during the period of exposure, followed by a further administration of the compound of Formula I, or a pharmaceutically acceptable salt thereof, after the last exposure, and one last administration of the compound of Formula I, or a pharmaceutically acceptable salt thereof, 24 hours later.
• a further example of an event driven dosing regimen includes administration of the compound of Formula I, or a pharmaceutically acceptable salt thereof, within 24 hours before the viral exposure, then daily administration during the period of exposure, followed by a last administration approximately 24 hours later after the last exposure (which may be an increased dose, such as a double dose).
• Effective dose of active ingredient depends at least on the nature of the condition being treated, toxicity, whether the compound is being used prophylactic ally or against an active viral infection, the method of delivery, and the pharmaceutical formulation, and will be determined by the clinician using conventional dose escalation studies. It can be expected to be from about 0.0001 to about 100 mg/kg body weight per day; typically, from about 0.01 to about 10 mg/kg body weight per day; more typically, from about .01 to about 5 mg/kg body weight per day; most typically, from about .05 to about 0.5 mg/kg body weight per day.
• the daily candidate dose for an adult human of approximately 70 kg body weight will range from 1 mg to 1000 mg, preferably between 5 mg and 500 mg, and may take the form of single or multiple doses.
• administration can be for from 1 day to 100 days, including 2, 3, 4, 5, 6, 7, 8, 9, 10, 15, 20, 25, 30, 40, 50, 60, 70, 80, or 90 days.
• the administration can also be for from 1 week to 15 weeks, including 2, 3, 4, 5, 6, 7, 8, 9, 10, 11,
• the compounds disclosed herein are administered once daily. In some embodiments, the compounds disclosed herein are administered once every alternate day. In some embodiments, the compounds disclosed herein are administered once a week. In some embodiments, the compounds disclosed herein are administered twice a week.
• one or more compounds disclosed herein are administered once daily.
• the once daily dose may be administered for as long as required, for example for up to 5 days, up to 7 days, up to 10 days, up to 15 days, up to 20 days, up to 25 days, up to a month or longer.
• the once daily dose is administered for up to 20 days, up to 15 days, up to 14 days, up to 13 days, up to 12 days, up to 10 days, up to 8 days, up to 6 days, up to 4 days, up to 3 days, up to 2 days or for one day.
• the one or more compounds disclosed herein are dosed once daily, for about 6 to 12 days, for example for about 8-10 days. In some embodiments, the one or more compounds are administered once daily for about 9 days. In some embodiments, the one or more compounds are administered once daily for about 10 days. In some embodiments about 50- 150 mg of one or more compounds disclosed herein is administered once daily for about 5 to 12 days, for e.g. for about 10 days. In some embodiments about 100 mg of one or more compounds disclosed herein is administered once daily for about 5 to 12 days, for e.g. for about 10 days.
• the present disclosure also provides a method of treating or preventing a viral infection in a subject (e.g. human) in need thereof, the method comprising administering to the subject a compound described herein.
• the present disclosure provides a method of treating a viral infection in a subject (e.g. human) in need thereof, the method comprising administering to a subject in need thereof a compound described herein.
• the present disclosure provides for methods of treating or preventing a viral infection in a subject (e.g. human) in need thereof, the method comprising administering to the subject a compound disclosed herein and at least one additional active therapeutic agent.
• the present disclosure provides for methods of treating a viral infection in a subject (e.g. human) in need thereof, the method comprising administering to the subject a compound disclosed herein, and at least one additional active therapeutic agent.
• the present disclosure provides for methods of inhibiting a viral polymerase in a cell, the methods comprising contacting the cell infected a virus with a compound disclosed herein, whereby the viral polymerase is inhibited.
• the present disclosure provides for methods of inhibiting a viral polymerase in a cell, the methods comprising contacting the cell infected a virus with a compound disclosed herein, and at least one additional active therapeutic agent, whereby the viral polymerase is inhibited.
• the uses of the compounds disclosed herein for use in treating or preventing a viral infection in a subject in need thereof are also provided here.
• the compounds disclosed herein for use in treating a viral infection in a subject in need thereof are uses of the compounds disclosed herein for use in treating a viral infection in a subject in need thereof.
• the viral infection is a paramyxoviridae virus infection.
• the present disclosure provides methods for treating a paramyxoviridae infection in a subject (e.g. a human) in need thereof, the method comprising administering to the subject a compound disclosed herein.
• Paramyxoviridae viruses include, but are not limited to Nipah virus, Hendra virus, measles, mumps, and parainfluenze virus.
• the viral infection is a pneumoviridae virus infection.
• the present disclosure provides a method of treating a pneumoviridae virus infection in a human in need thereof, the method comprising administering to the human a compound provided herein.
• Pneumoviridae viruses include, but are not limited to, respiratory snycytial virus and human metapneumo virus.
• the pneumoviridae virus infection is a respiratory syncytial virus infection.
• the pneumoviridae virus infection is human metapneumo virus infection.
• the present disclosure provides a compound disclosed herein, for use in the treatment of a pneumoviridae virus infection in a human in need thereof.
• the pneumoviridae virus infection is a respiratory syncytial virus infection.
• the pneumoviridae virus infection is human metapneumovirus infection.
• the present disclosure provides methods for treating a RSV infection in a human in need thereof, the method comprising administering to the human a compound provided herein.
• the human is suffering from a chronic respiratory syncytial viral infection.
• the human is acutely infected with
• a method of inhibiting RSV replication comprises administering to a human in need thereof, a compound disclosed herein, wherein the administration is by inhalation.
• the present disclosure provides a method for reducing the viral load associated with RSV infection, wherein the method comprises administering to a human infected with RSV a compound disclosed herein.
• the viral infection is a picomaviridae virus infection.
• the present disclosure provides a method of treating a picomaviridae virus infection in a human in need thereof, the method comprising administering to the human a compound of the present disclosure.
• Picomaviridae viruses are eneteroviruses causing a heterogeneous group of infections including herpangina, aseptic meningitis, a common-cold-like syndrome (human rhinovirus infection), a non-paralytic poliomyelitis-like syndrome, epidemic pleurodynia (an acute, febrile, infectious disease generally occurring in epidemics), hand-foot- mouth syndrome, pediatric and adult pancreatitis and serious myocarditis.
• the Picomaviridae virus infection is human rhinovirus infection.
• the present disclosure provides a compound, for use in the treatment of a picomaviridae virus infection in a human in need thereof.
• the picomaviridae virus infection is human rhinovirus infection.
• the viral infection is a flaviviridae virus infection.
• the present disclosure provides a method of treating a flaviviridae virus infection in a human in need thereof, the method comprising administering to the human a compound described herein.
• Representative flaviviridae viruses include, but are not limited to, dengue, Yellow fever, West Nile, Zika, Japanese encephalitis virus, and Hepatitis C (HCV).
• the flaviviridae virus infection is a dengue virus infection.
• the flaviviridae virus infection is a yellow fever virus infection.
• the flaviviridae virus infection is a West Nile virus infection.
• the flaviviridae virus infection is a zika virus infection. In some embodiments, the flaviviridae virus infection is a Japanese ensephalitis virus infection. In some embodiments, the flaviviridae virus infection is a hepatitis C virus infection.
• the present disclosure provides use of a compound disclosed herein for treatment of a flaviviridae virus infection in a human in need thereof.
• the flaviviridae virus infection is a dengue virus infection.
• the flaviviridae virus infection is a yellow fever virus infection.
• the flaviviridae virus infection is a West Nile virus infection.
• the flaviviridae virus infection is a zika virus infection.
• the flaviviridae virus infection is a hepatitis C virus infection.
• the viral infection is a filoviridae virus infection.
• a method of treating a filoviridae virus infection in a human in need thereof comprising administering to the human a compound disclosed herein.
• Representative filoviridae viruses include, but are not limited to, ebola (variants Zaire, Bundibugio, Sudan, Tai forest, or Reston) and marburg.
• the filoviridae virus infection is an ebola virus infection.
• the filoviridae virus infection is a marburg virus infection.
• the present disclosure provides a compound for use in the treatment of a filoviridae virus infection in a human in need thereof.
• the filoviridae virus infection is an ebola virus infection.
• the filoviridae virus infection is a marburg virus infection.
• the viral infection is a coronavirus infection.
• provided herein is a method of treating a coronavirus infection in a human in need thereof, wherein the method comprises administering to the human a compound provided herein.
• the coronavirus infection is a Severe Acute Respiratory Syndrome (SARS) infection, Middle Eastern Respiratory Syndrome (MERS) infection, SARS-CoV-2 infection, other human coronavirus (229E, NL63, OC43, HKU1, or WIV1) infections, zoonotic coronavirus (PEDV or HKU CoV isolates such as HKU3, HKU5, or HKU9) infections.
• the viral infection is a Severe Acute Respiratory Syndrome (SARS) infection.
• the viral infection is a Middle Eastern Respiratory Syndrome (MERS) infection.
• the viral infection is SARS-CoV-2 infection.
• the present disclosure provides a compound for use in the treatment of a coronavirus virus infection in a human in need thereof.
• the coronavirus infection is a Severe Acute Respiratory Syndrome (SARS) infection, Middle Eastern Respiratory Syndrome (MERS) infection, SARS-CoV-2 infection, other human coronavirus (229E, NL63, OC43, HKU1, or WIV1) infections, zoonotic coronavirus (PEDV or HKU CoV isolates such as HKU3, HKU5, or HKU9) infections.
• the viral infection is a Severe Acute Respiratory Syndrome (SARS) infection.
• the viral infection is a Middle Eastern Respiratory Syndrome (MERS) infection.
• the viral infection is SARS-CoV-2 infection (COVID19).
• the viral infection is an arenaviridae virus infection.
• the disclosure provides a method of treating an arenaviridae virus infection in a human in need thereof, the method comprising administering to the human a compound disclosed herein.
• the arenaviridae virus infection is a Lassa infection or a
• the present disclosure provides a compound for use in the treatment of a arenaviridae virus infection in a human in need thereof.
• the arenaviridae virus infection is a Lassa infection or a Junin infection.
• the viral infection is an orthomyxovirus infection, for example, an influenza virus infection.
• the viral infection is an influenza virus A, influenza virus B, or influenza virus C infection.
• the compounds described herein can be administered with one or more additional therapeutic agent(s) to an individual (e.g . a human) infected with a viral infection.
• the additional therapeutic agent(s) can be administered to the infected individual at the same time as the compound of the present disclosure or before or after administration of the compound of the present disclosure.
• the compounds described herein can also be used in combination with one or more additional therapeutic agents.
• methods of treatment of the a viral infection in a subject in need thereof comprising administering to the subject a compound disclosed therein and a therapeutically effective amount of one or more additional therapeutic agents.
• the additional therapeutic agent is an antiviral agent.
• Any suitable antiviral agent can be used in the methods described herein.
• the antiviral agent is selected from the group consisting of 5-substituted 2’-deoxyuridine analogues, nucleoside analogues, pyrophosphate analogues, nucleoside reverse transcriptase inhibitors, non nucleoside reverse transcriptase inhibitors, protease inhibitors, integrase inhibitors, entry inhibitors, acyclic guanosine analogues, acyclic nucleoside phosphonate analogues, HCV NS5A/NS5B inhibitors, influenza virus inhibitors, interferons, immunostimulators, oligonucleotides, antimitotic inhibitors, and combinations thereof.
• the additional therapeutic agent is a 5-substituted 2’- deoxyuridine analogue.
• the additional therapeutic agent is selected from the group consisting of idoxuridine, trifluridine, brivudine [BVDU], and combinations thereof.
• the additional therapeutic agent is a nucleoside analogue.
• the additional therapeutic agent is selected from the group consisting of vidarabine, entecavir (ETV), telbivudine, lamivudine, adefovir dipivoxil, tenofovir disoproxil fumarate (TDF) and combinations thereof.
• the additional therapeutic agent is favipiravir, ribavirin, galidesivir, ⁇ -D-N4-hydroxycytidine or a combination thereof.
• the additional therapeutic agent is a pyrophosphate analogue.
• the additional therapeutic agent is foscamet or phosphonoacetic acid. In some embodiments, the additional therapeutic agent is foscamet.
• the additional therapeutic agent is nucleoside reverse transcriptase inhibitor.
• the antiviral agent is zidovudine, didanosine.. zalcitabine, stavudine, lamivudine, abacavir, emtricitabine, and combinations thereof.
• the additional therapeutic agent is a non-nucleoside reverse transcriptase inhibitor.
• the antiviral agent is selected from the group consisting of nevirapine, delavirdine, efavirenz, etravirine, rilpivirine, and combinations thereof.
• the additional therapeutic agent is a protease inhibitor.
• the protease inhibitor is a HIV protease inhibitor.
• the antiviral agent is selected from the group consisting of saquinavir, ritonavir, indinavir, nelfinavir, amprenavir, lopinavir, atazanavir, fosamprenavir, darunavir, tipranavir, cobicistat, and combinations thereof.
• the antiviral agent is selected from the group consisting of saquinavir, ritonavir, indinavir, nelfinavir, amprenavir, lopinavir, atazanavir, fosamprenavir, darunavir, tipranavir, and combinations thereof.
• the protease inhibitor is a HCV NS3/4A protease inhibitor.
• the additional therapeutic agent is selected from the group consisting of voxilaprevir, asunaprevir, boceprevir, paritaprevir, simeprevir, telaprevir, vaniprevir, grazoprevir, ribavirin, danoprevir, faldaprevir, vedroprevir, sovaprevir, deldeprevir, narlaprevir and combinations thereof.
• the additional therapeutic agent is selected from the group consisting of voxilaprevir, asunaprevir, boceprevir, paritaprevir, simeprevir, telaprevir, vaniprevir, grazoprevir, and combinations thereof.
• the additional therapeutic agent is an integrase inhibitor.
• the additional therapeutic agent is selected from the group consisting of raltegravir, dolutegravir, elvitegravir, abacavir, lamivudine, and combinations thereof.
• the additional therapeutic agent is selected from the group consisting of bictegravir, raltegravir, dolutegravir, cabotegravir, elvitegravir, and combinations thereof.
• the additional therapeutic agent is selected from the group consisting of bictegravir, dolutegravir, and cabotegravir, and combinations thereof.
• the additional therapeutic agent is bictegravir.
• the additional therapeutic agent is an entry inhibitor.
• the additional therapeutic agent is selected from the group consisting of docosanol, enfuvirtide, maraviroc, ibalizumab, fostemsavir, leronlimab, ibalizumab, fostemsavir, leronlimab, palivizumab, respiratory syncytial virus immune globulin, intravenous [RSV-IGIV], varicella- zoster immunoglobulin [VariZIG], varicella- zoster immune globulin [VZIG]), and combinations thereof.
• the additional therapeutic agent is an acyclic guanosine analogue.
• the additional therapeutic agent is selected from the group consisting of acyclovir, ganciclovir, valacyclovir (also known as valaciclovir), valganciclovir, penciclovir, famciclovir, and combinations thereof.
• the additional therapeutic agent is an acyclic nucleoside phosphonate analogues.
• the additional therapeutic agent is selected from a group consisting of cidofovir, adefovir, adefovir dipivoxil, tenofovir, TDF, emtricitabine, efavirenz, rilpivirine, elvitegravir, and combinations thereof.
• the additional therapeutic agent is selected from the group consisting of cidofovir, adefovir, adefovir dipivoxil, tenofovir, TDF, and combinations thereof.
• the additional therapeutic agent is selected from the group consisting of cidofovir, adefovir dipivoxil, TDF, and combinations thereof.
• the additional therapeutic agent is a HCV NS5A/NS5B inhibitor. In some embodiments, the additional therapeutic agent is a NS3/4A protease inhibitor. In some embodiments, the additional therapeutic agent is a NS5A protein inhibitor. In some embodiments, the additional therapeutic agent is a NS5B polymerase inhibitor of the nucleoside/nucleotide type. In some embodiments, the additional therapeutic agent is a NS5B polymerase inhibitor of the nonnucleoside type.
• the additional therapeutic agent is selected from the group consisting of daclatasvir, ledipasvir, velpatasvir, ombitasvir, elbasvir, sofosbuvir, dasabuvir, ribavirin, asunaprevir, simeprevir, paritaprevir, ritonavir, elbasvir, grazoprevir, and combinations thereof.
• the additional therapeutic agent is selected from the group consisting of daclatasvir, ledipasvir, velpatasvir, ombitasvir, elbasvir, sofosbuvir, dasabuvir, and combinations thereof.
• the additional therapeutic agent is an influenza virus inhibitor.
• the additional therapeutic agents is a matrix 2 inhibitor.
• the additional therapeutic agent is selected from the group consisting of amantadine, rimantadine, and combinations thereof.
• the additional therapeutic agent is a neuraminidase inhibitor.
• the additional therapeutic agent is selected from the group consisting of zanamivir, oseltamivir, peramivir, laninamivir octanoate, and combinations thereof.
• the additional therapeutic agent is a polymerase inhibitor.
• the additional therapeutic agent is selected from the group consisting of ribavirin, favipiravir, and combinations thereof.
• the additional therapeutic agent is selected from the group consisting of amantadine, rimantadine, arbidol (umifenovir), baloxavir marboxil, oseltamivir, peramivir, ingavirin, laninamivir octanoate, zanamivir, favipiravir, ribavirin, and combinations thereof.
• the additional therapeutic agent is selected from the group consisting of amantadine, rimantadine, zanamivir, oseltamivir, peramivir, laninamivir octanoate, ribavirin, favipiravir, and combinations thereof.
• the additional therapeutic agent is an interferon.
• the additional therapeutic agent is selected from the group consisting of interferon alfacon 1, interferon alfa lb, interferon alfa 2a, interferon alfa 2b, pegylated interferon alfacon 1, pegylated interferon alfa lb, pegylated interferon alfa 2a (PegIFN ⁇ -2a), and PegIFN ⁇ -2b.
• the additional therapeutic agent is selected from the group consisting of interferon alfacon 1, interferon alfa lb, interferon alfa 2a, interferon alfa 2b, pegylated interferon alfa 2a (PegIFN ⁇ -2a), and PegIFN ⁇ -2b.
• the additional therapeutic agent is selected from the group consisting of interferon alfacon 1, pegylated interferon alfa 2a (PegIFN ⁇ -2a), PegIFN ⁇ -2b, and ribavirin.
• the additional therapeutic agent is pegylated interferon alfa-2a. pegylated interferon alfa-2b, or a combination thereof.
• the additional therapeutic agent is an immunostimulatory agent.
• the additional therapeutic agent is an oligonucleotide.
• the additional therapeutic agent is an antimitotic inhibitor.
• the additional therapeutic agent is selected from the group consisting of fomivirsen, podofilox.. imiquimod, sinecatechins, and combinations thereof.
• the additional therapeutic agent is selected from the group consisting of besifovir, nitazoxanide, REGN2222, doravirine, sofosbuvir, velpatasvir, daclatasvir, asunaprevir, beclabuvir, FV100, and letermovir, and combinations thereof.
• the additional therapeutic agent is an agent for treatment of RSV.
• the antiviral agent is ribavirin, ALS-8112 or presatovir.
• the antiviral agent is ALS-8112 or presatovir.
• the additional therapeutic agent is an agent for treatment of picomavirus.
• the additional therapeutic agent is selected from the group consisting of hydantoin, guanidine hydrochloride, L-buthionine sulfoximine, Py-11, and combinations thereof.
• the additional therapeutic agent is a picomavirus polymerase inhibitor.
• the additional therapeutic agent is mpintrivir.
• the additional therapeutic agent is an agent for treatment of malaria.
• the additional therapeutic agent is chloroquine.
• the additional therapeutic agent is selected from the group consisting of hydroxychloroquine, chloroquine, artemether, lumefantrine, atovaquone, proguanil, tafenoquine, pyronaridine, artesunate, artenimol, piperaquine, artesunate, amodiaquine, pyronaridine, artesunate, halofantrine, quinine sulfate, mefloquine, solithromycin, pyrimethamine, MMV-390048, ferroquine, artefenomel mesylate, ganaplacide, DSM-265, cipargamin, artemisone, and combinations thereof.
• the additional therapeutic agent is an agent for treatment of coronavirus.
• the additional therapeutic agent is selected from a group consisting of IFX-1, FM-201, CYNK-001, DPP4-Fc, ranpimase, nafamostat, LB-2, AM-1, anti- viroporins, and combinations thereof.
• the additional therapeutic agent is an agent for treatment of ebola virus.
• the additional therapeutic agent is selected from the group consisting of ribavirin, palivizumab, motavizumab, RSV-IGIV (RespiGam ® ), MEDI-557, A-60444, MDT-637, BMS-433771, amiodarone, dronedarone, verapamil, Ebola Convalescent Plasma (ECP), TKM- 100201, BCX4430 ((2S,3S,4R,5R)-2-(4-amino-5H-pyrrolo[3,2- d]pyrimidin-7-yl)-5-(hydroxymethyl)pyrrolidine-3,4-diol), favipiravir (also known as T-705 or Avigan),T-705 monophosphate, T-705 diphosphate, T-705 triphosphate, FGI-106 (1-N,7-N- bis [3 -(dimethyla
• the additional therapeutic agent is an agent for treatment of HCV.
• the additional therapeutic agent is a HCV polymerase inhibitor.
• the additional therapeutic agent is selected from the group consisting of sofosbuvir, GS-6620, PSI-938 , ribavirin, tegobuvir, radalbuvir, MK-0608, and combinations thereof.
• the additional therapeutic agent is a HCV protease inhibitor.
• the additional therapeutic agent is selected from the group consisting of such as GS-9256, vedroprevir, voxilaprevir, and combinations thereof.
• the additional therapeutic agent is a NS5A inhibitor.
• the additional therapeutic agent is selected from the group consisting of ledipasvir, velpatasvir, and combinations thereof.
• the additional therapeutic agent is an anti HBV agent.
• the additional therapeutic agent is tenofovir disoproxil fumarate and emtricitabine, or a combination thereof.
• additional anti HBV agents include but are not limited to alpha-hydroxytropolones, amdoxovir, antroquinonol, beta-hydroxycytosine nucleosides, , ARB-199, CCC-0975, ccc-R08, elvucitabine, ezetimibe, cyclosporin A, gentiopicrin (gentiopicroside), HH-003, hepalatide, JNJ-56136379, nitazoxanide, birinapant, NJK14047, NOV-205 (molixan, BAM-205), oligotide, mivotilate, feron, GST-HG-131, levamisole, Ka Shu Ning, alloferon,
• the additional therapeutic agent is a HBV polymerase inhibitor.
• HBV DNA polymerase inhibitors include, but are not limited to, adefovir (HEPSERA®), emtricitabine (EMTRIVA®), tenofovir disoproxil fumarate (VIREAD®), tenofovir alafenamide, tenofovir, tenofovir disoproxil, tenofovir alafenamide fumarate, tenofovir alafenamide hemifumarate, tenofovir dipivoxil , tenofovir dipivoxil fumarate, tenofovir octadecyloxyethyl ester, CMX-157, tenofovir exalidex, besifovir, entecavir (BARACLUDE®), entecavir maleate, telbivudine (TYZEKA®), filocilovir, pradefovir, cle
• the additional therapeutic agent is an agent for treatment of HIV.
• the additional therapeutic agent is selected from the group consisting of HIV protease inhibitors, HIV integrase inhibitors, entry inhibitors, HIV nucleoside reverse transcriptase inhibitors, HIV nonnucleoside reverse transcriptase inhibitors, acyclic nucleoside phosphonate analogues, and combinations thereof.
• the additional therapeutic agent is selected from the group consisting of HIV protease inhibitors, HIV non-nucleoside or non-nucleotide inhibitors of reverse transcriptase, HIV nucleoside or nucleotide inhibitors of reverse transcriptase, HIV integrase inhibitors, HIV non-catalytic site (or allosteric) integrase inhibitors, HIV entry inhibitors, HIV maturation inhibitors, immunomodulators, immunotherapeutic agents, antibody- drug conjugates, gene modifiers, gene editors (such as CRISPR/Cas9, zinc finger nucleases, homing nucleases, synthetic nucleases, TALENs), and cell therapies (such as chimeric antigen receptor T-cell, CAR-T, and engineered T cell receptors, TCR-T, autologous T cell therapies).
• HIV protease inhibitors HIV non-nucleoside or non-nucleotide inhibitors of reverse transcriptase
• the additional therapeutic agent is selected from the group consisting of combination drugs for HIV, other drugs for treating HIV, HIV protease inhibitors, HIV reverse transcriptase inhibitors, HIV integrase inhibitors, HIV non-catalytic site (or allosteric) integrase inhibitors, HIV entry (fusion) inhibitors, HIV maturation inhibitors, latency reversing agents, capsid inhibitors, immune -based therapies, PI3K inhibitors, HIV antibodies, and bispecific antibodies, and “antibody-like” therapeutic proteins, and combinations thereof.
• the additional therapeutic agent is a HIV combination drug.
• HIV combination drugs include, but are not limited to ATRIPLA ® (efavirenz, tenofovir disoproxil fumarate, and emtricitabine);
• BIKTARVY ® bictegravir, emtricitabine, and tenofovir alafenamide
• COMPLERA ® EVIPLERA ® ; rilpivirine, tenofovir disoproxil fumarate, and emtricitabine
• STRIBILD ® elvitegravir, cobicistat, tenofovir disoproxil fumarate, and emtricitabine
• TRUVADA ® tenofovir disoproxil fumarate and emtricitabine; TDF+FTC
• DESCOVY® tenofovir alafenamide and emtricitabine
• ODEFSEY® tenofovir alafenamide, emtricitabine, and rilpivirine
• GENVOYA® tenofovir alafenamide, emtricitabine, cobicistat, and elvitegravir
• EPZICOM ® (LIVEXA ® ; abacavir sulfate and lamivudine; ABC+3TC); KALETRA ® (ALUVIA ® ; lopinavir and ritonavir); TRIUMEQ ® (dolutegravir, abacavir, and lamivudine); TRIZIVIR ® (abacavir sulfate, zidovudine, and lamivudine; ABC+AZT+3TC); atazanavir and cobicistat; atazanavir sulfate and cobicistat; atazanavir sulfate and ritonavir; darunavir and cobicistat; dolutegravir and rilpivirine; dolutegravir and rilpivirine hydrochloride; dolutegravir, abacavir sulfate, and lamivudine; lamivudine, nevi
• the additional therapeutic agent is a HIV protease inhibitor.
• the additional therapeutic agent is selected from the group consisting of saquinavir, ritonavir, indinavir, nelfinavir, amprenavir, lopinavir, atazanavir, fosamprenavir, darunavir, tipranavir, cobicistat, ASC-09, AEBL-2, MK-8718, GS-9500, GS- 1156 ,and combinations thereof.
• the additional therapeutic agent is selected from the group consisting of saquinavir, ritonavir, indinavir, nelfinavir, amprenavir, lopinavir, atazanavir, fosamprenavir, darunavir, tipranavir, cobicistat.
• the additional therapeutic agent is selected from the group consisting of amprenavir, atazanavir, brecanavir, darunavir, fosamprenavir, fosamprenavir calcium, indinavir, indinavir sulfate, lopinavir, nelfinavir, nelfinavir mesylate, ritonavir, saquinavir, saquinavir mesylate, tipranavir, DG-17, TMB-657 (PPL- 100), T-169, BL-008, MK-8122, TMB-607, TMC- 310911, and combinations thereof.
• the additional therapeutic agent is a HIV integrase inhibitor.
• the additional therapeutic agent is selected from the group consisting of raltegravir, elvitegravir, dolutegravir, abacavir, lamivudine, bictegravir and combinations thereof.
• the additional therapeutic agent is bictegravir.
• the additional therapeutic agent is selected from a group consisting of bictegravir, elvitegravir, curcumin, derivatives of curcumin, chicoric acid, derivatives of chicoric acid, 3,5-dicaffeoylquinic acid, derivatives of 3,5-dicaffeoylquinic acid, aurintricarboxylic acid, derivatives of aurintricarboxylic acid, caffeic acid phenethyl ester, derivatives of caffeic acid phenethyl ester, tyrphostin, derivatives of tyrphostin, quercetin, derivatives of quercetin, raltegravir, dolutegravir, JTK-351, bictegravir, AVX-15567, BMS-986197, cabotegravir (long- acting injectable), diketo quinolin-4-1 derivatives, integrase-LEDGF inhibitor, ledgins, M-522, M-532, NSC-310217
• the additional therapeutic agent is a HIV entry inhibitor.
• the additional therapeutic agent is selected from the group consisting of enfuvirtide, maraviroc, and combinations thereof.
• HIV entry inhibitors include, but are not limited to, cenicriviroc, CCR5 inhibitors, gp41 inhibitors, CD4 attachment inhibitors, DS-003 (BMS-599793), gpl20 inhibitors, and CXCR4 inhibitors.
• CCR5 inhibitors examples include aplaviroc, vicriviroc, maraviroc, cenicriviroc, leronlimab (PRO-140), adaptavir (RAP-101), nifeviroc (TD-0232), anti-GP120/CD4 or CCR5 bispecific antibodies, B-07, MB-66, polypeptide C25P, TD-0680, and vMIP (Haimipu).
• CXCR4 inhibitors include plerixafor, AFT- 1188, N15 peptide, and vMIP (Haimipu).
• the additional therapeutic agent is a HIV nucleoside reverse transcriptase inhibitors. In some embodiments, the additional therapeutic agent is a HIV nonnucleoside reverse transcriptase inhibitors. In some embodiments, the additional therapeutic agent is an acyclic nucleoside phosphonate analogue. In some embodiments, the additional therapeutic agent is a HIV capsid inhibitor.
• the additional therapeutic agent is a HIV nucleoside or nucleotide inhibitor of reverse transcriptase.
• the additional therapeutic agent is selected from the group consisting of adefovir, adefovir dipivoxil, azvudine, emtricitabine, tenofovir, tenofovir alafenamide, tenofovir alafenamide fumarate, tenofovir alafenamide hemifumarate, tenofovir disoproxil, tenofovir disoproxil fumarate, tenofovir disoproxil hemifumarate, VIDEX® and VIDEX EC® (didanosine, ddl), abacavir, abacavir sulfate, alovudine, apricitabine, censavudine, didanosine, elvucitabine, festinavir, fosalvudi
• the additional therapeutic agent is a HIV non-nucleoside or non nucleotide inhibitor of reverse transcriptase.
• the additional agent is selected from the group consisting of dapivirine, delavirdine, delavirdine mesylate, doravirine, efavirenz, etravirine, lentinan, MK-8583, nevirapine, rilpivirine, TMC-278LA, ACC-007, AIC-292, KM- 023, PC-1005, elsulfavirine rilp (VM-1500), combinations thereof.
• the additional therapeutic agents are selected from ATRIPLA ® (efavirenz, tenofovir disoproxil fumarate, and emtricitabine); COMPLERA ® (EVIPLERA ® ; rilpivirine, tenofovir disoproxil fumarate, and emtricitabine);
• STRIBILD ® (elvitegravir, cobicistat, tenofovir disoproxil fumarate, and emtricitabine); TRUVADA ® (tenofovir disoproxil fumarate and emtricitabine; TDF +FTC); DESCOVY® (tenofovir alafenamide and emtricitabine); ODEFSEY® (tenofovir alafenamide, emtricitabine, and rilpivirine); GENVOYA® (tenofovir alafenamide, emtricitabine, cobicistat, and elvitegravir); adefovir; adefovir dipivoxil; cobicistat; emtricitabine; tenofovir; tenofovir disoproxil; tenofovir disoproxil fumarate; tenofovir alafenamide; tenofovir alafenamide hemifum
• the additional therapeutic agent is selected from the group consisting of colistin, valmbicin, icatibant, bepotastine, epirubicin, epoprosetnol, vapreotide, aprepitant, caspofungin, perphenazine, atazanavir, efavirenz, ritonavir, acyclovir, ganciclovir, penciclovir, prulifloxacin, bictegravir, nelfinavir, tegobuvi, nelfinavir, praziquantel, pitavastatin, perampanel, eszopiclone, and zopiclone.
• the additional therapeutic agent is an inhibitor of Bruton tyrosine kinase (BTK, AGMX1, AT, ATK, BPK, IGHD3, IMD1, PSCTK1, XL A; NCBI Gene ID: 695).
• BTK Bruton tyrosine kinase
• the additional therapeutic agent is selected from the group consisting of (S)-6-amino-9-(1-(but-2-ynoyl)pyrrolidin-3-yl)-7-(4-phenoxyphenyl)-7H-purin- 8(9H)-one, acalabrutinib (ACP-196), BGB-3111, CB988, HM71224, ibrutinib (Imbruvica), M- 2951 (evobmtinib), M7583, tirabrutinib (ONO-4059), PRN-1008, spebmtinib (CC-292), TAK- 020, vecabmtinib, ARQ-531, SHR-1459, DTRMWXHS-12, TAS-5315, AZD6738, calquence, danvatirsen, and combinations thereof.
• the additional therapeutic agent is selected from a group consisting of tirabrutinib, ibrutinib, acalabrutinib, and combinations thereof. In some embodiments, the additional therapeutic agent is selected from a group consisting of tirabrutinib, ibrutinib, and combinations thereof. In some embodiments, the additional therapeutic agent is tyrphostin A9 (A9).
• the additional therapeutic agent is a KRAS inhibitor.
• the additional therapeutic agent is selected from the group consisting of AMG-510, COTI-219, MRTX-1257, ARS-3248, ARS-853, WDB-178, BI-3406, BI-1701963, ARS-1620 (G12C), SML-8-73-1 (G12C), Compound 3144 (G12D), Kobe0065/2602 (Ras GTP), RT11, MRTX-849 (G12C) and K-Ras(G12D)-selective inhibitory peptides, including KRpep-2 (Ac-RRCPLYISYDPVCRR-NH2), KRpep-2d (Ac- RRRRCPLYISYDPVCRRRR-NH2), and combinations thereof.
• the additional therapeutic agent is a proteasome inhibitor.
• the additional therapeutic agent is selected from a group consisting of ixazomib, carfilzomib, marizomib, bortezomib, and combinations thereof, in some embodiments, the additional therapeutic agent is carfilzomib.
• the additional therapeutic agent is a vaccine.
• the additional therapeutic agent is a DNA vaccine, RNA vaccine, live- attenuated vaccine, therapeutic vaccine, prophylactic vaccine, protein based vaccine, or a combination thereof.
• the additional therapeutic agent is mRNA-1273.
• the additional therapeutic agent is INO-4800 or INO-4700.
• the additional therapeutic agent is live-attenuated RSV vaccine MEDI-559, human monoclonal antibody REGN2222 against RSV, palivizumab, respiratory syncytial virus immune globulin, intravenous [RSV-IGIV], and combinations thereof.
• the additional therapeutic agent is a HBV vaccine, for example pediarix, engerix-B, and recombivax HB.
• the additional therapeutic agent is a VZV vaccine, for example zostavax and varivax.
• the additional therapeutic agent is a HPV vaccine, for example cervarix, gardasil 9, and gardasil.
• the additional therapeutic agent is an influenza virus vaccine.
• a (i) monovalent vaccine for influenza A e.g. influenza A [H5N1] virus monovalent vaccine and influenza A [H1N1] 2009 virus monovalent vaccines
• trivalent vaccine for influenza A and B viruses e.g.
• the additional therapeutic agent is a human adenovirus vaccine (e.g. Adenovirus Type 4 and Type 7 Vaccine, Live, Oral).
• the additional therapeutic agent is a rotavirus vaccine (e.g. Rotarix for rotavirus serotype G1, G3, G4, or G9 and RotaTeq for rotavirus serotype G1, G2, G3, or G4).
• the additional therapeutic agent is a hepatitis A virus vaccine (e.g. Havrix and Vaqta).
• the additional therapeutic agent is poliovirus vaccines (e.g. Kinrix, Quadracel, and Ipol).
• the additional therapeutic agent is a yellow fever virus vaccine (e.g. YF-Vax).
• the additional therapeutic agent is a Japanese encephalitis virus vaccines (e.g. Ixiaro and JE-Vax).
• the additional therapeutic agent is a measles vaccine (e.g. M-M-R II and ProQuad).
• the additional therapeutic agent is a mumps vaccine (e.g.
• the additional therapeutic agent is a rubella vaccine (e.g. M-M-R II and ProQuad). In some embodiments, the additional therapeutic agent is a varicella vaccine (e.g. ProQuad). In some embodiments, the additional therapeutic agent is a rabies vaccine (e.g. Imovax and RabAvert). In some embodiments, the additional therapeutic agent is a variola virus (smallpox) vaccine (ACAM2000). In some embodiments, the additional therapeutic agent is a and hepatitis E virus (HEV) vaccine (e.g. HEV239). In some embodiments, the additional therapeutic agent is a 2019- nCov vaccine.
• HEV hepatitis E virus
• the additional therapeutic agent is an antibody, for example a monoclonal antibody.
• the additional therapeutic agent is an antibody against 2019- nCov selected from the group consisting of the Regeneron antibodies, the Wuxi Antibodies, the Vir Biotechnology Antibodies, antibodies that target the SARS-CoV-2 spike protein, antibodies that can neutralize SARS-CoV-2 (SARS-CoV-2 neutralizing antibodies), and combinations thereof.
• the additional therapeutic agent is anti-SARS CoV antibody CR- 3022.
• the additional therapeutic agent is aPD-1 antibody.
• the additional therapeutic agent is recombinant cytokine gene- derived protein injection.
• the additional therapeutic agent is a polymerase inhibitor.
• the additional therapeutic agent is a DNA polymerase inhibitor.
• the additional therapeutic agent is cidofovir.
• the additional therapeutic agent is a RNA polymerase inhibitor.
• the additional therapeutic agent is selected from the group consisting of ribavirin, favipiravir, lamivudine, pimodivir and combination thereof.
• the additional therapeutic agent is selected from the group consisting of lopinavir, ritonavir, interferon-alpha- 2b, ritonavir, arbidol, hydroxychloroquine, damnavir and cobicistat, abidol hydrochloride, oseltamivir, litonavir, emtricitabine, tenofovir alafenamide fumarate, baloxavir marboxil, mxolitinib, and combinations thereof.
• the additional therapeutic agent is selected from the group consisting of 6’-fluorinated aristeromycin analogues, acyclovir fleximer analogues, disulfiram, thiopurine analogues, ASC09F, GC376, GC813, phenylisoserine derivatives, neuroiminidase inhibitor analogues, pyrithiobac derivatives, bananins and 5 -hydroxy chromone derivatives, SSYAIO-OOI, griffithsin, HR2P-M1, HR2P-M2, P21S10, Dihydrotanshinone E-64-C and E-64- D, OC43-HR2P, MERS-5HB, 229E-HR1P, 229E-HR2P, resveratrol, 1-thia-4-azaspiro[4.5] decan-3 -one derivatives, gemcitabine hydrochloride, loperamide, recombinant interfer
• the additional therapeutic agent is an antibody.
• the additional therapeutic agent is an antibody that binds to a coronavirus, for example an antibody that binds to SARS or MERS.
• the additional therapeutic agent is a of 2019-nCoV virus antibody.
• compositions of the invention are also used in combination with other active ingredients.
• the other active therapeutic agent is active against coronavirus infections, for example 2019-nCoV virus infections.
• the compounds and compositions of the present invention are also intended for use with general care provided patients with 2019-nCoV viral infections, including parenteral fluids (including dextrose saline and Ringer’s lactate) and nutrition, antibiotic (including metronidazole and cephalosporin antibiotics, such as ceftriaxone and cefuroxime) and/or antifungal prophylaxis, fever and pain medication, antiemetic (such as metoclopramide) and/or antidiarrheal agents, vitamin and mineral supplements (including Vitamin K and zinc sulfate), anti-inflammatory agents (such as ibuprofen or steroids), corticosteroids such as methylprednisolone, immonumodulatory medications (e.g.
• the additional therapeutic agent is dihydroartemisinin/piperaquine.
• the additional therapeutic agent is an immunomodulator.
• immune-based therapies include tol1-like receptors modulators such as tlrl, tlr2, tlr3, tlr4, tlr5, tlr6, tlr7, tlr8, tlr9, tlr10, tlr111 tlr12, and tlr13; programmed cell death protein 1 (Pd-1) modulators; programmed death-ligand 1 (Pd-Ll) modulators; IL-15 modulators; DermaVir; interleukin-7; plaquenil (hydroxychloroquine); proleukin (aldesleukin, IL-2); interferon alfa; interferon alfa-2b; interferon alfa-n3; pegylated interferon alfa; interferon gamma; hydroxyurea; mycophenolate mofetil (MPA) and its ester derivative mycophenolate mofetil
• MPA mycophenolate
• the additional therapeutic agent is an IL-6 inhibitor, for example tocilizumab, sarilumab, or a combination thereof.
• the additional therapeutic agent is an anti-TNF inhibitor.
• the additional therapeutic agent is adalimumab, etanercept, golimumab, infliximab, or a combination thereof.
• the additional therapeutic agent is a JAK inhibitor, for example the additional therapeutic agent is baricitinib, filgotinib, olumiant, or a combination thereof.
• the additional therapeutic agent is an inflammation inhibitor, for example pirfenidone.
• the additional therapeutic agent is an antibiotic for secondary bacterial pneumonia.
• the additional therapeutic agent is macrolide antibiotics (e.g. azithromycin, clarithromycin, and mycoplasma pneumoniae ), fluoroquinolones (e.g. ciprofloxacin and levofloxacin), tetracyclines (e.g. doxycycline and tetracycline), or a combination thereof.
• the compounds disclosed herein are used in combination with pneumonia standard of care ( see e.g. Pediatric Community Pneumonia Guidelines, CID 2011:53 (1 October)).
• Treatment for pneumonia generally involves curing the infection and preventing complications. Specific treatment will depend on several factors, including the type and severity of pneumonia, age and overall health of the individuals. The options include: (i) antibiotics, (ii) cough medicine, and (iii) fever reducers/pain relievers (for e.g. aspirin, ibuprofen (Advil, Motrin IB, others) and acetaminophen (Tylenol, others)).
• the additional therapeutic agent is bromhexine anti-cough.
• the compounds disclosed herein are used in combination with immunoglobulin from cured COVID-19 patients. In some embodiments, the compounds disclosed herein are used in combination with plasma transfusion. In some embodiments, the compounds disclosed herein are used in combination with stem cells. [00241] In some embodiments, the additional therapeutic agent is an TLR agonist.
• TLR agonists include, but are not limited to, vesatolimod (GS-9620), GS-986, IR-103, lefitolimod, tilsotolimod, rintatolimod, DSP-0509, AL-034, G-100, cobitolimod, AST-008, motolimod, GSK-1795091, GSK-2245035, VTX-1463, GS-9688, LHC-165, BDB-001, RG- 7854, telratolimod.RO-7020531.
• the additional therapeutic agent is selected from the group consisting of bortezomid, flurazepam, ponatinib, sorafenib, paramethasone, clocortolone, flucloxacillin, sertindole, clevidipine, atorvastatin, cinolazepam, clofazimine, fosaprepitant, and combinations thereof.
• the additional therapeutic agent is carrimycin, suramin, triazavirin, dipyridamole, bevacizumab, meplazumab, GD31 (rhizobium), NLRP inflammasome inhibitor, or a-ketoamine.
• the additional therapeutic agent is recombinant human angiotensin-converting enzyme 2 (rhACE2).
• the additional therapeutic agent is viral macrophage inflammatory protein (vMIP).
• the additional therapeutic agent is an anti-viroporin therapeutic.
• the additional therapeutic agent is BIT-314 or BIT-225.
• the additional therapeutic agent is coronavirus E protein inhibitor.
• the additional therapeutic agent is BIT-009. Further examples of additional therapeutic agents include those described in WO-2004112687, WO-2006135978, WO-2018145148, and WO-2009018609.
• any compound of the invention with one or more additional active therapeutic agents in a unitary dosage form for simultaneous or sequential administration to a patient.
• the combination therapy may be administered as a simultaneous or sequential regimen. When administered sequentially, the combination may be administered in two or more administrations.
• Co-administration of a compound of the invention with one or more other active therapeutic agents generally refers to simultaneous or sequential administration of a compound of the invention and one or more other active therapeutic agents, such that therapeutically effective amounts of the compound of the invention and one or more other active therapeutic agents are both present in the body of the patient.
• Co-administration includes administration of unit dosages of the compounds of the invention before or after administration of unit dosages of one or more other active therapeutic agents, for example, administration of the compounds of the invention within seconds, minutes, or hours of the administration of one or more other active therapeutic agents.
• a unit dose of a compound of the invention can be administered first, followed within seconds or minutes by administration of a unit dose of one or more other active therapeutic agents.
• a unit dose of one or more other therapeutic agents can be administered first, followed by administration of a unit dose of a compound of the invention within seconds or minutes.
• a unit dose of a compound of the invention may be desirable to administer a unit dose of a compound of the invention first, followed, after a period of hours (e.g., 1-12 hours), by administration of a unit dose of one or more other active therapeutic agents. In other cases, it may be desirable to administer a unit dose of one or more other active therapeutic agents first, followed, after a period of hours (e.g., 1-12 hours), by administration of a unit dose of a compound of the invention.
• the combination therapy may provide “synergy” and “synergistic”, i.e. the effect achieved when the active ingredients used together is greater than the sum of the effects that results from using the compounds separately.
• a synergistic effect may be attained when the active ingredients are: (1) co-formulated and administered or delivered simultaneously in a combined formulation; (2) delivered by alternation or in parallel as separate formulations; or (3) by some other regimen.
• a synergistic effect may be attained when the compounds are administered or delivered sequentially, e.g. in separate tablets, pills or capsules, or by different injections in separate syringes.
• an effective dosage of each active ingredient is administered sequentially, i.e. serially
• effective dosages of two or more active ingredients are administered together.
• a synergistic anti- viral effect denotes an antiviral effect which is greater than the predicted purely additive effects of the individual compounds of the combination.
• the compounds provided herein are also used in combination with other active therapeutic agents.
• the other active therapeutic agent is active against Pneumoviridae virus infections, particularly respiratory syncytial virus infections and/or metapneumovirus infections.
• Non-limiting examples of these other active therapeutic agents active against RSV are ribavirin, palivizumab, motavizumab, RSV-IGIV (RespiGam ® ), MEDI-557, A-60444 (also known as RSV604), MDT-637, BMS- 433771, ALN-RSVO, ALX-0171 and mixtures thereof.
• respiratory syncytial virus protein F inhibitors such as AK-0529; RV-521, ALX-0171, JNJ-53718678, BTA-585, and presatovir
• RNA polymerase inhibitors such as lumicitabine and ALS-8112
• anti- RSV G protein antibodies such as anti-G-protein mAb
• viral replication inhibitors such as nitazoxanide.
• the other active therapeutic agent may be a vaccine for the treatment or prevention of RSV, including but not limited to MVA-BN RSV, RSV-F, MEDI- 8897, JNJ-64400141, DPX-RSV, SynGEM, GSK-3389245A, GSK-300389-1A, RSV-MEDI deltaM2-2 vaccine, VRC-RSVRGP084-00VP, Ad35-RSV-FA2, Ad26-RSV-FA2, and RSV fusion glycoprotein subunit vaccine.
• RSV including but not limited to MVA-BN RSV, RSV-F, MEDI- 8897, JNJ-64400141, DPX-RSV, SynGEM, GSK-3389245A, GSK-300389-1A, RSV-MEDI deltaM2-2 vaccine, VRC-RSVRGP084-00VP, Ad35-RSV-FA2, Ad26-RSV-FA2, and RSV fusion glycoprotein subunit vaccine.
• Non-limiting examples of other active therapeutic agents active against metapneumovirus infections include sialidase modulators such as DAS-181; RNA polymerase inhibitors, such as ALS-8112; and antibodies for the treatment of Metapneumovirus infections, such as EV-046113.
• the other active therapeutic agent may be a vaccine for the treatment or prevention of metapneumovirus infections, including but not limited to mRNA- 1653 and rHMPV-Pa vaccine.
• the compounds provided herein are also used in combination with other active therapeutic agents.
• the other active therapeutic agent is active against Picornaviridae virus infections, particularly Enterovirus infections.
• Non-limiting examples of these other active therapeutic agents are capsid binding inhibitors such as pleconaril, BTA-798 (vapendavir) and other compounds disclosed by Wu, et al.
• fusion sialidase protein such as DAS-181
• a capsid protein VP1 inhibitor such as VVX-003 and AZN-001
• a viral protease inhibitor such as CW-33
• a phosphatidylinositol 4 kinase beta inhibitor such as GSK- 480 and GSK-533
• anti-EV71 antibody anti-EV71 antibody.
• the other active therapeutic agent may be a vaccine for the treatment or prevention of Picornaviridae virus infections, including but not limited to EV71 vaccines, TAK-021, and EV-D68 adenovector-based vaccine.
• Glucocorticoids which were first introduced as an asthma therapy in 1950 (Carryer, Journal of Allergy, 21, 282-287, 1950), remain the most potent and consistently effective therapy for this disease, although their mechanism of action is not yet fully understood (Morris, J. Allergy Clin. Immunol., 75 (1 Pt) 1-13, 1985).
• oral glucocorticoid therapies are associated with profound undesirable side effects such as truncal obesity, hypertension, glaucoma, glucose intolerance, acceleration of cataract formation, bone mineral loss, and psychological effects, all of which limit their use as long-term therapeutic agents (Goodman and Gilman, 10th edition, 2001).
• a solution to systemic side effects is to deliver steroid drugs directly to the site of inflammation.
• corticosteroids Inhaled corticosteroids (ICS) have been developed to mitigate the severe adverse effects of oral steroids.
• Non- limiting examples of corticosteroids that may be used in combinations with the compounds provided herein are dexamethasone, dexamethasone sodium phosphate, fluorometholone, fluorometholone acetate, loteprednol, loteprednol etabonate, hydrocortisone, prednisolone, fludrocortisones, triamcinolone, triamcinolone acetonide, betamethasone, beclomethasone diproprionate, methylprednisolone, fluocinolone, fluocinolone acetonide, fhmisolide, fluocortin-21-butylate, flumethasone, flumetasone pivalate, budesonide, halobetasol propionate, mometasone furoate, fluticas
• anti-inflammatory agents working through anti-inflammatory cascade mechanisms are also useful as additional therapeutic agents in combination with the compounds provided herein for the treatment of viral respiratory infections.
• AISTM anti-inflammatory signal transduction modulators
• phosphodiesterase inhibitors e.g. PDE-4, PDE-5, or PDE-7 specific
• transcription factor inhibitors e.g. blocking NFKB through IKK inhibition
• kinase inhibitors e.g.
• non-limiting additional therapeutic agents include: 5-(2,4-Difluoro-phenoxy)-1- isobuty1-1H-indazole-6-carboxylic acid (2-dimethylamino-ethyl)-amide (P38 Map kinase inhibitor ARRY -797) ; 3 -Cyclopropylmethoxy-N-(3 ,5-dichloro-pyridin-4-yl)-4- difluorormethoxy-benzamide (PDE-4 inhibitor Roflumilast); 4-[2-(3-cyclopentyloxy-4- methoxyphenyl)-2-pheny1-ethyl]-pyridine (PDE-4 inhibitor CDP-840); N-(3,5-dichloro-4- pyridinyl)-4-(difluoromethoxy)-8-[(methylsulfonyl)amino]-1-dibenzofurancarboxamide (PDE-4 inhibitor Oglemilast); N-(3,5-D
• Combinations comprising inhaled ⁇ 2-adrenoreceptor agonist bronchodilators such as formoterol, albuterol or salmeterol with the compounds provided herein are also suitable, but non-limiting, combinations useful for the treatment of respiratory viral infections.
• Combinations of inhaled ⁇ 2-adrenoreceptor agonist bronchodilators such as formoterol or salmeterol with ICS’s are also used to treat both the bronchoconstriction and the inflammation (Symbicort® and Advair®, respectively).
• the combinations comprising these ICS and ⁇ 2-adrenoreceptor agonist combinations along with the compounds provided herein are also suitable, but non-limiting, combinations useful for the treatment of respiratory viral infections.
• Beta 2 adrenoceptor agonists are bedoradrine, vilanterol, indacaterol, olodaterol, tulobuterol, formoterol, abediterol, salbutamol, arformoterol, levalbuterol, fenoterol, and TD-5471.
• anticholinergics are of potential use and, therefore, useful as an additional therapeutic agent in combination with the compounds provided herein for the treatment of viral respiratory infections.
• anticholinergics include, but are not limited to, antagonists of the muscarinic receptor (particularly of the M3 subtype) which have shown therapeutic efficacy in man for the control of cholinergic tone in COPD (Witek, 1999); 1- ⁇ 4-Hydroxy- 1-[3, 3, 3-tris-(4-fluoro-phenyl)- propionyl] -pyrrolidine-2-carbonyl ⁇ -pyrrolidine-2-carboxylic acid ( 1 -methy1-piperidin-4- ylmethyl)-amide; 3-[3-(2-Diethylamino-acetoxy)-2-pheny1-propionyloxy]-8-isopropy1-8-methy1- 8-azonia-bicyclo[3.2
• the compounds provided herein may also be combined with mucolytic agents to treat both the infection and symptoms of respiratory infections.
• a non-limiting example of a mucolytic agent is ambroxol.
• the compounds may be combined with expectorants to treat both the infection and symptoms of respiratory infections.
• a non-limiting example of an expectorant is guaifenesin.
• Nebulized hypertonic saline is used to improve immediate and long-term clearance of small airways in patients with lung diseases (Kuzik, J. Pediatrics 2007, 266).
• the compounds provided herein may also be combined with nebulized hypertonic saline particularly when the virus infection is complicated with bronchiolitis.
• the combination of the compound provided herein with hypertonic saline may also comprise any of the additional agents discussed above. In one embodiment, nebulized about 3% hypertonic saline is used.
• the compounds and compositions provided herein are also used in combination with other active therapeutic agents.
• the other active therapeutic agent is active against Flaviviridae virus infections.
• non-limiting examples of the other active therapeutic agents are host cell factor modulators, such as GBV-006; fenretinide ABX-220, BRM-211; alpha-glucosidase 1 inhibitors, such as celgosivir; platelet activating factor receptor (PAFR) antagonists, such as modipafant; cadherin-5/Factor la modulators, such as FX-06; NS4B inhibitors, such as JNJ-8359; viral RNA splicing modulators, such as ABX-202; a NS 5 polymerase inhibitor; a NS 3 protease inhibitor; and a TLR modulator.
• host cell factor modulators such as GBV-006
• alpha-glucosidase 1 inhibitors such as celgosivir
• platelet activating factor receptor (PAFR) antagonists such as modipafant
• the other active therapeutic agent may be a vaccine for the treatment or prevention of dengue, including but not limited to TetraVax-DV, Dengvaxia ®, DPIV-001, TAK-003, live attenuated dengue vaccine, tetravalent dengue fever vaccine, tetravalent DNA vaccine, rDEN2delta30-7169; and DENV-1 PIV.
• a vaccine for the treatment or prevention of dengue including but not limited to TetraVax-DV, Dengvaxia ®, DPIV-001, TAK-003, live attenuated dengue vaccine, tetravalent dengue fever vaccine, tetravalent DNA vaccine, rDEN2delta30-7169; and DENV-1 PIV.
• the compounds provided herein are also used in combination with other active therapeutic agents.
• the other active therapeutic agent is active against Filoviridae virus infections, particularly Marburg virus, Ebola virus and Cueva virus infections.
• Non-limiting examples of these other active therapeutic agents are: ribavirin, palivizumab, motavizumab, RSV-IGIV (RespiGam ® ), MEDI-557, A-60444, MDT-637, BMS-433771, amiodarone, dronedarone, verapamil, Ebola Convalescent Plasma (ECP), TKM- 100201, BCX4430 ((2S,3S,4R,5R)-2-(4-amino-5H-pyrrolo[3,2-d]pyrimidin-7-yl)- 5-(hydroxymethyl)pyrrolidine-3,4-diol), TKM-Ebola, T-705 monophosphate, T-705 diphosphate, T-705 triphosphate, FGI-106 (1-N,7-N-bis[3-(dimethylamino)propyl]-3,9- dimethylquinolino[8,7-h]quinolone-l,7-diamine), rNAPc2, OS-29
• Other non-limiting active therapeutic agents active against Ebola include an alpha- glucosidase 1 inhibitor, a cathepsin B inhibitor, a CD29 antagonist, a dendritic ICAM-3 grabbing nonintegrin 1 inhibitor, an estrogen receptor antagonist, a factor VII antagonist HLA class II antigen modulator, a host cell factor modulator, a Interferon alpha ligand, a neutral alpha glucosidase AB inhibitor, a niemann-Pick Cl protein inhibitor, a nucleoprotein inhibitor, a polymerase cofactor VP35 inhibitor, a Serine protease inhibitor, a tissue factor inhibitor, a TLR- 3 agonist, a viral envelope glycoprotein inhibitor, and an Ebola virus entry inhibitors (NPC1 inhibitors).
• NPC1 inhibitors Ebola virus entry inhibitors
• the other active therapeutic agent may be a vaccine for the treatment or prevention of Ebola, including but not limited to VRC-EBOADC076-00-VP, adenovirus-based Ebola vaccine, rVSV-EBOV, rVSVN4CT1-EBOVGP, MVA-BN Filo + Ad26-ZEBOV regimen, INO-4212, VRC-EBODNA023-00-VP, VRC-EB OADC069-00- VP, GamEvac-combi vaccine, SRC VB Vector, HPIV3/EboGP vaccine, MVA-EBOZ, Ebola recombinant glycoprotein vaccine, Vaxart adenovirus vector 5-based Ebola vaccine, FiloVax vaccine, GOVX-E301, and GOVX-E302.
• VRC-EBOADC076-00-VP adenovirus-based Ebola vaccine
• rVSV-EBOV rVSVN4CT1-EBOVGP
• PMOs phosphoramidate morpholino oligomers
• Examples of PMOs include but are not limited to AVI-7287, AVI- 7288, AVI-7537, AVI-7539, AVI-6002, and AVI-6003.
• the compounds provided herein are also intended for use with general care provided to patients with Filoviridae viral infections, including parenteral fluids (including dextrose saline and Ringer’s lactate) and nutrition, antibiotic (including metronidazole and cephalosporin antibiotics, such as ceftriaxone and cefuroxime) and/or antifungal prophylaxis, fever and pain medication, antiemetic (such as metoclopramide) and/or antidiarrheal agents, vitamin and mineral supplements (including Vitamin K and zinc sulfate), anti-inflammatory agents (such as ibuprofen), pain medications, and medications for other common diseases in the patient population, such anti-malarial agents (including artemether and artesunate-lumefantrine combination therapy), typhoid (including quinolone antibiotics, such as ciprofloxacin, macrolide antibiotics, such as azithromycin, cephalosporin antibiotics, such as ceftriax
• the present disclosure provides processes and intermediates useful for preparing the compounds provided herein or pharmaceutically acceptable salts thereof.
• Compounds described herein can be purified by any of the means known in the art, including chromatographic means, such as high performance liquid chromatography (HPLC), preparative thin layer chromatography, flash column chromatography and ion exchange chromatography. Any suitable stationary phase can be used, including normal and reversed phases as well as ionic resins. Most typically the disclosed compounds are purified via silica gel and/or alumina chromatography.
• HPLC high performance liquid chromatography
• Any suitable stationary phase can be used, including normal and reversed phases as well as ionic resins. Most typically the disclosed compounds are purified via silica gel and/or alumina chromatography.
• the methods of the present disclosure generally provide a specific enantiomer or diastereomer as the desired product, although the stereochemistry of the enantiomer or diastereomer was not determined in all cases.
• the stereochemistry of the specific stereocenter in the enantiomer or diastereomer is not determined, the compound is drawn without showing any stereochemistry at that specific stereocenter even though the compound can be substantially enantiomerically or disatereomerically pure.
• the compounds of the present disclosure may be prepared using the methods disclosed herein and routine modifications thereof, which will be apparent to a skilled artisan given the disclosure herein and methods well known in the art. Conventional and wel1-known synthetic methods may be used in addition to the teachings herein.
• the synthesis of typical compounds described herein may be accomplished as described in the following examples. If available, reagents may be purchased commercially, e.g., from Sigma Aldrich or other chemical suppliers. In general, compounds described herein are typically stable and isolatable at room temperature and pressure.
• the compounds prepared herein can be purified using the methods known to the person of ordinary skill in the art, including those described herein. A skilled artisan will appreciate that when acids (e.g. TFA) are present in purification solvents, then the final product may be isolated as a salt (for e.g. TFA salt).
• Typical embodiments of compounds disclosed herein may be synthesized using the general reaction schemes described below. It will be apparent to a skilled artisan given the description herein that the general schemes may be altered by substitution of the starting materials with other materials having similar structures to result in products that are correspondingly different. Descriptions of syntheses follow to provide numerous examples of how the starting materials may vary to provide corresponding products. Given a desired product for which the substituent groups are defined, the necessary starting materials generally may be determined by inspection. Starting materials are typically obtained from commercial sources or synthesized using published methods. For synthesizing compounds which are embodiments disclosed in the present disclosure, inspection of the structure of the compound to be synthesized will provide the identity of each substituent group. The identity of the final product will generally render apparent the identity of the necessary starting materials by a simple process of inspection, given the examples herein.
• solvent refers to a solvent inert under the conditions of the reaction being described in conjunction therewith (including, for example, benzene, toluene, acetonitrile, tetrahydrofuran (“THF”), dimethylformamide (“DMF”), chloroform, methylene chloride (or dichloromethane), diethyl ether, methanol, and the like).
• THF tetrahydrofuran
• DMF dimethylformamide
• chloroform chloroform
• methylene chloride or dichloromethane
• Exemplary compounds of Formula I, Formula la, and Formula lb may be prepared using the methods similar to the Reaction Scheme I shown below.
• Phenol (iii) and phosphoms(V)oxychloride are mixed in presence of a base (e.g. N, N- diisopropylethylamine) in a suitable solvent (for e.g. dichloromethane) at a suitable temperature (e.g. at -78 °C to room temperature).
• a suitable solvent for e.g. dichloromethane
• natural or unnatural amino acid ester (ii) is added along with a suitable base at a suitable temperature (e.g. at -78 °C).
• pentafluorophenol and a suitable base is added to generate the phosphoramidate reagent.
• the natural or unnatural amino acid ester (ii) is reacted with phenyl dichlorophosphate in the presence of a suitable base (e.g. triethylamine) at a suitable temperature (e.g. -78 °C to room temp).
• a suitable base e.g. triethylamine
• pentfluorophenol along with a suitable base are added to form the phosphoramidate reagent.
• the phosphoramidate reagents can be purified using any suitable method, e.g. chromatography (e.g. HPLC).
• the nucleoside (i) is converted to (iv) by adding the phosphoramidate reagent as described above to (i) in a suitable solvent (e.g. acetonitrile), then adding magnesium chloride and a base (e.g. N,N-disisopropylamine). This reaction is conducted at any suitable temperature (for example at 0 °C to room temperature). Intermediate (iv) is then treated with an acid e.g. (HC1) to provide the phosphoramidate nucleoside (v). Separation of the isomers at phosphorus can be performed using HPLC, chiral HPLC methods, or other suitable methods.
• a suitable solvent e.g. acetonitrile
• magnesium chloride and a base e.g. N,N-disisopropylamine
• Exemplary compounds of Formula III, Formula IlIa, and Formula IIIb may be prepared using the methods similar to the Reaction Scheme II shown below.
• the Reaction Scheme II follows the same general method as described for Reaction Scheme 1 except the amino acid ester is D or L alanine amino acid ester or a mixture of D or L alanine amino acid esters.
• Exemplary compounds of Formula IIIc may be prepared using the methods similar to the Reaction Scheme III shown below.
• Intermediate B 1 was made in a similar manner as intermediate A1 except that methyl (25)-2-aminopropanoatc hydrochloride was used instead of 2-ethylbutyl (2S)-2- aminopropanoate hydrochloride.
• LC system Agilent 1260 Infinity II HPLC; MS system: G6124B Single Quad; Column: Kinetix 2.6u C18 100A, 50 mm x 2.1 mm; Solvents: acetonitrile with 0.1% acetic acid, water with 0.1% acetic acid; Gradient: 0-1.00 min 10%-100% acetonitrile, 1.00-1.35 min 100% acetonitrile, 1.35-1.36 min 100-10% acetonitrile at 2 pL/min.
• Intermediate Cl was made in a similar manner as intermediate A1 except that ethyl (25)-2-aminopropanoatc hydrochloride was used instead of 2-ethylbutyl (2S)-2- aminopropanoate hydrochloride.
• LC system Agilent 1260 Infinity II HPLC; MS system: G6124B Single Quad; Column: Kinetix 2.6u C18 100A, 50 mm x 2.1 mm; Solvents: acetonitrile with 0.1% acetic acid, water with 0.1% acetic acid; Gradient: 0-1.00 min 10%-100% acetonitrile, 1.00-1.35 min 100% acetonitrile, 1.35-1.36 min 100-10% acetonitrile at 2 pL/min.
• LC system Agilent 1260 Infinity II HPLC; MS system: G6124B Single Quad;
• Solvents acetonitrile with 0.1% acetic acid, water with 0.1% acetic acid;
• Gradient 0-1.00 min 10%-100% acetonitrile, 1.00- 1.35 min 100% acetonitrile, 1.35-1.36 min 100-10% acetonitrile at 2 ⁇ L/min.
• reaction mixture was then stirred at room temperature for 2 hours.
• the reaction mixture was washed with water (50 mL), twice with 10% solution of citric acid (2x 40 mL), twice with saturated aqueous sodium bicarbonate solution (2x 40 mL) and once with brine (50 mL), dried over sodium sulfate, filtered through a 3 cm layer of silica gel which was washed with additional dichloromethane.
• the combined organics were concentrated down under reduced pressure, co-distilled with dichloromethane and dried under high vacuum overnight to afford the title compound. The residue was used without further purification.
• reaction mixture was then stirred at room temperature for 2 hours.
• the reaction mixture was washed with water (50 mL), twice with 10% solution of citric acid (2x 40 mL), twice with saturated aqueous sodium bicarbonate solution (2x 40 mL) and once with brine (50 mL), dried over sodium sulfate, filtered through a 3 cm layer of silica gel which was washed with additional dichloromethane.
• the combined organics were concentrated down under reduced pressure, co-distilled with dichloromethane and dried under high vacuum overnight to afford the title compound.
• the solids were suspended in dichloromethane (100 mL) and phenyl dichlorophosphate (9.81 mL, 65.92 mmol) and triethylamine (18.28 mL, 131.84 mmol) were sequentially added at -78 °C and the resulting mixture was stirred at room temperature for 2 hours.
• the reaction mixture was cooled down to 0 °C and pentafluorophenol (11.03 g, 59.93 mmol) and triethylamine (10.80 mL, 78.05 mmol) were then sequentially added and the resulting mixture was then allowed to warm to room temperature.
• LC system Thermo Accela 1250 UHPLC;
• MS system Thermo LCQ Fleet;
• Solvents acetonitrile with 0.1% acetic acid, water with 0.1% acetic acid;
• Gradient 0 min-0.2 min 2% acetonitrile, 0.2 min- 1.5 min 2-100% acetonitrile, 1.5 min-2.2 min 100% acetonitrile, 2.2 min-2.4 min 100%-2% acetonitrile, 2.4 min-2.5 min 2% acetonitrile at
• reaction mixture was then stirred at room temperature for 2 hours.
• the reaction mixture was washed with water (30 mL), twice with 10% solution of citric acid (2x 20 mL), twice with saturated aqueous sodium bicarbonate solution (2x 20 mL) and once with brine (20 mL), dried over sodium sulfate, filtered through a 3 cm layer of silica gel which was washed with 3:1 mixture of dichloromethane and ethyl acetate.
• the combined organics were concentrated down under reduced pressure, co-distilled with dichloromethane and dried under high vacuum overnight to afford the title compound.
• the solids were suspended in dichloromethane (100 mL) and phenyl dichlorophosphate (3.03 mL, 20.37 mmol) and triethylamine (5.65 mL, 40.75 mmol) were sequentially added at -78 °C and the resulting mixture was stirred at room temperature for 2 hours.
• the reaction mixture was cooled down to 0 °C and pentafluorophenol (3.41 g, 18.52 mmol) and triethylamine (3.59 mL, 25.93 mmol) were then sequentially added and the resulting mixture was then allowed to warm to room temperature.
• LC system Agilent 1260 Infinity II HPLC; MS system: G6124B Single Quad;
• Solvents acetonitrile with 0.1% acetic acid, water with 0.1% acetic acid;
• Gradient 0-1.00 min 10%-100% acetonitrile, 1.00-1.35 min 100% acetonitrile, 1.35-1.36 min 100-10% acetonitrile at 2 ⁇ L/min.
• N,N-diisopropylethylamine (6.02 mL, 34.6 mmol) was added slowly over 5 minutes. After 15 minutes, the reaction was allowed to warm to 0 °C. After 15 minutes, the reaction was cooled to -78 °C.
• 2-ethylbutyl (2S)-2-aminopropanoate hydrochloride (7.25 g, 34.6 mmol) was added.
• N,N-diisopropylethylamine (12.04 mL, 69.2 mmol) was added slowly over 5 minutes. After 30 minutes, 2,3,4,5,6-pentafluorophenol (6.36 g, 34.6 mmol) was added.
• N,N-diisopropylethylamine (6.02 mL, 34.6 mmol) was added slowly over 5 minutes. After 15 minutes, the reaction was allowed to warm to room temperature. After 30 minutes, the reaction was acidified with acetic acid (5 mL). The reaction was washed with water (50 mL). The organics were dried over sodium sulfate, filtered and concentrated. The product was purified by silica gel chromatography (0-20% ethyl acetate in hexanes) to afford intermediate L1.
• LC system Agilent 1260 Infinity II HPLC; MS system: G6124B Single Quad;
• Solvents acetonitrile with 0.1% acetic acid, water with 0.1% acetic acid;
• Gradient 0-1.00 min 10%-100% acetonitrile, 1.00-1.35 min 100% acetonitrile, 1.35-1.36 min 100-10% acetonitrile at 2 ⁇ L/min.
• Example 1 (2R,3R,4R,5R)-2-(4-aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)-2-cyano-5-((((S)- (((S)-1-(2-ethylbutoxy)-1-oxopropan-2-yl)amino)(phenoxy)phosphoryl)oxy)methyl) tetrahydrofuran-3,4-diyl bis(2-methylpropanoate)
• 2-ethylbutyl ((S)-(((2R,3S,4R,5R)-5-(4-aminopyrrolo[2,1- f][1,2,4]triazin-7-yl)-5-cyano-3,4-dihydroxytetrahydrofuran-2- yl)methoxy)(phenoxy)phosphoryl)-L-alaninate (prepared according to WO2016/069826 or WO2016069825, 500 mg,
• LC system Agilent 1260 Infinity II HPLC; MS system: G6124B Single Quad; Column: Kinetix 2.6u C18 100A, 50 mm x 2.1 mm; Solvents: acetonitrile with 0.1% acetic acid, water with 0.1% acetic acid; Gradient: 0-1.00 min 10%-100% acetonitrile, 1.00-1.35 min 100% acetonitrile, 1.35-1.36 min 100-10% acetonitrile at 2 ⁇ L/min.
• Intermediate B2 was made in a similar manner as intermediate A2 except that intermediate B1 was used instead of intermediate Al.
• LC system Agilent 1260 Infinity II HPLC; MS system: G6124B Single Quad; Column: Kinetix 2.6u C18 100A, 50 mm x 2.1 mm; Solvents: acetonitrile with 0.1% acetic acid, water with 0.1% acetic acid; Gradient: 0-1.00 min 10%-100% acetonitrile, 1.00-1.35 min 100% acetonitrile, 1.35-1.36 min 100-10% acetonitrile at 2 ⁇ L/min.
• Example 17 Ethyl ((((2R,3S,4R,5R)-5-(4-aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)-5-(;yano- 3,4-dihydroxytetrahydrofuran-2-yl)methoxy)(4-(tert-butyl)phenoxy)phosphoryl)-L- alaninate
• Intermediate C2 was made in a similar manner as intermediate A2 except that intermediate Cl was used instead of intermediate Al.
• LC system Agilent 1260 Infinity II HPLC; MS system: G6124B Single Quad; Column: Kinetix 2.6u C18 100A, 50 mm x 2.1 mm; Solvents: acetonitrile with 0.1% acetic acid, water with 0.1% acetic acid; Gradient: 0-1.00 min 10%-100% acetonitrile, 1.00- 1.35 min 100% acetonitrile, 1.35-1.36 min 100-10% acetonitrile at 2 ⁇ L/min.
• Example 18 (2R,3R,4R,5R)-2-(4-aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)-5-((((4-(tert- butyl)phenoxy)(((S)-1-ethoxy-1-oxopropan-2-yl)amino)phosphoryl)oxy)methyl)-2- cyanotetrahydrofuran-3,4-diyl bis(2-methylpropanoate)
• Example 19 2-Ethylbutyl ((((2R,3S,4R,5R)-5-(4-aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)-5- cyano-3,4-dihydroxytetrahydrofuran-2-yl)methoxy)(2,6-dimethylphenoxy)phosphoryl)-L- alaninate
• Intermediate D2 was made in a similar manner as intermediate A2 except that intermediate D1 was used instead of intermediate Al.
• LC system Agilent 1260 Infinity II HPLC; MS system: G6124B Single Quad; Column: Kinetix 2.6u C18 100A, 50 mm x 2.1 mm; Solvents: acetonitrile with 0.1% acetic acid, water with 0.1% acetic acid; Gradient: 0-1.00 min 10%-100% acetonitrile, 1.00- 1.35 min 100% acetonitrile, 1.35-1.36 min 100-10% acetonitrile at 2 ⁇ L/min.
• LC system Agilent 1260 Infinity II HPLC; MS system: G6124B Single Quad; Column: Kinetix 2.6u C18 100A, 50 mm x 2.1 mm; Solvents: acetonitrile with 0.1% acetic acid, water with 0.1% acetic acid; Gradient: 0-1.00 min 10%-100% acetonitrile, 1.00-1.35 min 100% acetonitrile, 1.35-1.36 min 100-10% acetonitrile at 2 ⁇ L/min.
• Example 22 2-(2-Ethoxyethoxy)ethyl ((((2R,3S,4R,5R)-5-(4-aminopyrrolo[2,1- f][1,2,4]triazin-7-yl)-5-cyano-3,4-dihydroxytetrahydrofuran-2- yl)methoxy)(phenoxy)phosphoryl)-L-alaninate
• Tetrahydrofuran 14 mL was added to a mixture of (3aR,4R,6R,6aR)-4-(4- aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)-6-(hydroxymethyl)-2,2-dimethyltetrahydrofuro[3,4- d][1,3]dioxole-4-carbonitrile (prepared according to WO2016069825, 2.00 g, 6.04 mmol), intermediate G2 (4.14 g, 7.85 mmol), and magnesium chloride (862 mg, 9.05 mmol) at room temperature.
• LC system Agilent 1260 Infinity II HPLC; MS system: G6124B Single Quad; Column: Kinetix 2.6u C18 100A, 50 mm x 2.1 mm; Solvents: acetonitrile with 0.1% acetic acid, water with 0.1% acetic acid; Gradient: 0-1.00 min 10%-100% acetonitrile, 1.00-1.35 min 100% acetonitrile, 1.35-1.36 min 100-10% acetonitrile at 2 ⁇ L/min.
• Example 24 2-Methoxy-2-methylpropyl ((((2R,3S,4R,5R)-5-(4-aminopyrrolo[2,1- f][1,2,4]triazin-7-yl)-5-cyano-3,4-dihydroxytetrahydrofuran-2- yl)methoxy)(phenoxy)phosphoryl)-L-alaninate
• Tetrahydrofuran (11 mL) was added to a mixture of (3aR,4R,6R,6aR)-4-(4- aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)-6-(hydroxymethyl)-2,2-dimethyltetrahydrofuro[3,4- d][1,3]dioxole-4-carbonitrile (prepared according to WO2016069825, 1500 mg, 4.53 mmol), intermediate H 2 (2480 mg, 4.98 mmol), and magnesium chloride (647 mg, 6.79 mmol) at room temperature.
• the reaction mixture was diluted with ethyl acetate (100 mL) and water (100 mL) at 0 °C and the resulting mixture was washed with saturated aqueous sodium bicarbonate solution (100 mL) and brine (50 mL). The organic layer was dried over anhydrous sodium sulfate and concentrated under reduced pressure. The crude residue was purified by silica gel column chromatography using gradient from 0-10% methanol in dichloromethane to afford the title compound.
• Tetrahydrofuran (11 mL) was added to a mixture of (3aR,4R,6R,6aR)-4-(4- aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)-6-(hydroxymethyl)-2,2-dimethyltetrahydrofuro[3,4- d][1,3]dioxole-4-carbonitrile (prepared according to WO2016069825, 1000 mg, 3.02 mmol), intermediate LI (2160 mg, 3.92 mmol), and magnesium chloride (431 mg, 4.53 mmol) at room temperature.
• LC system Agilent 1260 Infinity II HPLC; MS system: G6124B Single Quad; Column: Kinetix 2.6u C18 100A, 50 mm x 2.1 mm; Solvents: acetonitrile with 0.1% acetic acid, water with 0.1% acetic acid; Gradient: 0-1.00 min 10%-100% acetonitrile, 1.00-1.35 min 100% acetonitrile, 1.35-1.36 min 100-10% acetonitrile at 2 ⁇ L/min.
• Compound 31 was made in a similar manner as Compound 13 except that intermediate T2 (346 mg, 0.517 mmol) was used instead of intermediate A2. The 1:1 mixture of diastereomers was isolated by column chromatography using 10% methanol in dichloromethane as eluting solvent mixture. 50 mg of Compound 31 was further purified by preparatory HPLC (Gemini 5um NX-C18 110A LC column 100x30mm, 95% to 0% water acetonitrile gradient).
• Compound 32 was made in a similar manner as Example 5 except that 31 (42.5 mg, 0.068 mmol) was used instead of methyl ((S)-(((2R,3S,4R,5R)-5-(4-aminopyrrolo[2,1- f][1,2,4]triazin-7-yl)-5-cyano-3,4-dihydroxytetrahydrofuran-2- yl)methoxy)(phenoxy)phosphoryl)-L-alaninate.
• Compound 33 was made in a similar manner as Example 30 except that 31 (42.5 mg, 0.068 mmol) was used instead of 29.
• Example 34 (S)-tetrahydrofuran-3-yl ((((2R,3S,4R,5R)-5-(4-aminopyrrolo[2,1- f][1,2,4]triazin-7-yl)-5-cyano-3,4-dihydroxytetrahydrofuran-2-yl)methoxy)(4-(tert- butyl)phenoxy)phosphoryl)-L-alaninate
• Intermediate T8 was made in a similar manner as intermediate A2 except that intermediate T7 (520 mg, 0.968 mmol) was used instead of intermediate Al.
• Compound 35 was made in a similar manner as Example 30 except that 34 (43.6 mg, 0.064 mmol) was used instead of 29.
• the desired analog was isolated using preparatory HPLC (Gemini 5um NX-C18 110A LC column 100x30mm, 95% to 0% water acetonitrile gradient).
• Example 36 (2R,3R,4R,5R)-2-(4-aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)-5-((((4-(tert- butyl)phenoxy)(((S)-1-oxo-1-(((S)-tetrahydrofuran-3-yl)oxy)propan-2- yl)amino)phosphoryl)oxy)methyl)-2-cyanotetrahydrofuran-3,4-diyl bis(2- methylpropanoate)
• Example 37 (2R,3R,4R,5R)-2-(4-aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)-5-((((4-(tert- butyl)phenoxy)(((S)-1-oxo-1-(((S)-tetrahydrofuran-3-yl)oxy)propan-2- yl)amino)phosphoryl)oxy)methyl)-2-cyanotetrahydrofuran-3,4-diyl diacetate
• Example 38 (2R,3R,4R,5R)-2-(4-aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)-5-((((4-(tert- butyl)phenoxy)(((S)-1-oxo-1-(((S)-tetrahydrofuran-3-yl)oxy)propan-2- yl)amino)phosphoryl)oxy)methyl)-2-cyanotetrahydrofuran-3,4-diyl bis(2- methylpropanoate)
• Example 42 (2R, 3R,4R,5R)-2-(4-aminopyrrolo[2,1-f
• Intermediate T16 was made in a similar manner as intermediate H2 except that intermediate T15 (590 mg, 2.69 mmol) was used instead of 2-methoxy-2-methylpropyl L- alaninate hydrochloride and N-ethy1-N-isopropy1-propan-2-amine (1.4 mL, 8.06 mmol, 3 equiv) was used as base instead of triethylamine.
• Example 44 spiro[3.3]heptan-2-yl ((((2R,3S,4R,5R)-5-(4-aminopyrrolo[2,1-f][1,2,4]triazin-
• Compound 44 was further purified by preparatory HPLC (Gemini 5um NX-C18 110A LC column 100x30mm, 95% to 0% water acetonitrile gradient) to separate the individual isomers.
• Compound 45 was further purified by preparatory HPLC (Gemini 5um NX-C18 110A LC column 100x30mm, 95% to 0% water acetonitrile gradient) to separate the individual isomers.
• reaction mixture was washed with water (2x 50 mL), and once with brine (50 mL), dried over magnesium sulfate, filtered through a 3 cm layer of silica gel which was washed with additional dichloromethane. The combined organics were concentrated down under reduced pressure and dried under high vacuum.
• 1 H 1 H NMR 400 MHz, Methanol-d 4 ) ⁇ 7.89 (s, 1H), 7.35 - 7.25 (m, 2H), 7.12 - 7.00 (m, 2H), 6.97 -
• Example 48 (2R,3R,4R,5R)-2-(4-aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)-5-((((4-(tert- butyl)phenoxy)(((S)-1-oxo-1-propoxypropan-2-yl)amino)phosphoryl)oxy)methyl)-2- cyanotetrahydrofuran-3,4-diyl bis(2-methylpropanoate)
• Compound 48 was made in a similar manner as compound 14 except that compound 48 was used instead of compound 13. Individual isomers of Compound 48 were separated by preparatory HPLC (Gemini 5um NX-C18 110A LC column 100x30mm, 95% to 0% water acetonitrile gradient).
• reaction mixture was washed with water (2x 50 mL), and once with brine (50 mL), dried over magnesium sulfate, filtered through a 3 cm layer of silica gel which was washed with additional dichloromethane. The combined organics were concentrated down under reduced pressure and dried under high vacuum overnight.
• Example 49 cyclobutyl (2S)-2-[[[(2R,3S,4R,5R)-5-(4-aminopyrrolo[2,1-f][1,2,4]triazin-7- yl)-5-cyano-3,4-dihydroxy-tetrahydrofuran-2-yl]methoxy-(4-tert- butylphenoxy)phosphoryl]amino]propanoate
• Compound 50 was made in a similar manner as compound 14 except that compound 49 was used instead of compound 13. Individual isomers of Compound 50 were separated by preparatory HPLC (Gemini 5um NX-C18 110A LC column 100x30mm, 95% to 0% water acetonitrile gradient).
• Compound 52 was made in a similar manner as compound 14 except that compound 51 was used instead of compound 13. Individual isomers of Compound 52 were separated by preparatory HPLC (Gemini 5um NX-C18 110A LC column 100x30mm, 95% to 0% water acetonitrile gradient).
• Compound 53 was made in a similar manner as compound 14 except that compound 51 was used instead of compound 13 and acetic anhydride was used in place of isobutyric anhydride. Individual isomers of Compound 53 were separated by preparatory HPLC (Gemini 5um NX-C18 110A LC column 100x30mm, 95% to 0% water acetonitrile gradient).
• Example 54 (2R,3R,4R,5R)-2-(4-aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)-2-cyano-5-(((((S)- 1-cyclobutoxy-1-oxopropan-2-yl)amino)(4- cyclopropylphenoxy)phosphoryl)oxy)methyl)tetrahydrofuran-3,4-diyl dipropionate
• Compound 54 was made in a similar manner as compound 14 except that compound 51 was used instead of compound 13 and propionic anhydride was used in place of isobutyric anhydride. Individual isomers of Compound 54 were separated by preparatory HPLC (Gemini 5um NX-C18 110A LC column 100x30mm, 95% to 0% water acetonitrile gradient).
• Compound 55 was made in a similar manner as compound 14 except that Intermediate P6a was used instead of compound 13. Individual isomers of Compound 55 were separated by preparatory HPLC (Gemini 5um NX-C18 110A LC column 100x30mm, 95% to 0% water acetonitrile gradient).
• reaction mixture was washed with water (2x 50 mL), and once with brine (50 mL), dried over magnesium sulfate, filtered through a 3 cm layer of silica gel which was washed with additional dichloromethane. The combined organics were concentrated down under reduced pressure and dried under high vacuum overnight.
• Compound 56 was made in a similar manner as compound 14 except that Intermediate P8a was used instead of compound 13. Individual isomers of Compound 56 were separated by preparatory HPLC (Gemini 5um NX-C18 110A LC column 100x30mm, 95% to 0% water acetonitrile gradient).
• the product P9 was purified by silica gel chromatography (0-20% ethyl acetate in hexanes) to afford benzyl ((4-(tert- butyl)phenoxy)(perfluorophenoxy)phosphoryl)-L-alaninate.
• Example 57 Benzyl ((((2R,3S,4R,5R)-5-(4-aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)-5-cyano- 3,4-dihydroxytetrahydrofuran-2-yl)methoxy)(4-(tert-butyl)phenoxy)phosphoryl)-L- alaninate [00451] To a suspension of benzyl ((4-(tert-butyl)phenoxy)(perfluorophenoxy)phosphoryl)-L- alaninate (0.305 g, 0.546 mmol), (3aR,4R,6R,6aR)-4-(4-aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)- 6-(hydroxymethyl)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxole-4-carbonitrile (prepared according to W0
• Example 59 cyclobutylmethyl (2S)-2-[[[(2R,3S,4R,5R)-5-(4-aminopyrrolo[2,1- f][1,2,4]triazin-7-yl)-5-cyano-3,4-dihydroxy-tetrahydrofuran-2-yl]methoxy-(4-tert- butylphenoxy)phosphoryl]amino]propanoate [00454] This compound was prepared from cyclobutylmethyl ((4-(tert- butyl)phenoxy)(perfluorophenoxy) phosphoryl)-L-alaninate (50 mg, 0.09 mmol) following the procedure for Example 13.
• Cyclobutylmethyl ((4-(tert- butyl)phenoxy)(perfluorophenoxy)phosphoryl)-L-alaninate was prepared from cyclobutylmethyl L-alaninate following the procedure for Intermediate H 2 .
• Cyclobutylmethyl L-alaninate was prepared from cyclobutylmethanol following the general procedure for Intermediate HI.
• LC system Agilent 1260 Infinity II HPLC; MS system: G6124B Single Quad; Column: Kinetix 2.6u C18 100A, 50 mm x 2.1 mm; Solvents: acetonitrile with 0.1% acetic acid, water with 0.1% acetic acid; Gradient: 0-1.00 min 10%-100% acetonitrile, 1.00-1.35 min 100% acetonitrile, 1.35-1.36 min 100-10% acetonitrile at 2 ⁇ L/min.
• Example 60 [(2R,3R,4R,5R)-5-(4-aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)-2-[[(4-tert- butylphenoxy)-[[(lS)-2-(cyclobutylmethoxy)-1-methy1-2-oxo- ethyl]amino]phosphoryl]oxymethyl]-5-cyano-4-(2-methylpropanoyloxy)tetrahydrofuran-3- yl] 2-methylpropanoate [00455] This compound was prepared from Example 59 (10 mg, 0.02 mmol) following the procedure for Example 14.
• LC system Agilent 1260 Infinity II HPLC; MS system: G6124B Single Quad; Column: Kinetix 2.6u C18 100A, 50 mm x 2.1 mm; Solvents: acetonitrile with 0.1% acetic acid, water with 0.1% acetic acid; Gradient: 0-1.00 min 10%-100% acetonitrile, 1.00-1.35 min 100% acetonitrile, 1.35-1.36 min 100-10% acetonitrile at 2 ⁇ L/min.
• Example 61 3,3-dimethylbutyl (2S)-2-[[[(2R,3S,4R,5R)-5-(4-aminopyrrolo[2,1- f][1,2,4]triazin-7-yl)-5-cyano-3,4-dihydroxy-tetrahydrofuran-2-yl]methoxy-(4-tert- butylphenoxy)phosphoryl]amino]propanoate
• This compound was prepared from 3,3-dimethylbutyl ((4-(tert-butyl)phenoxy) (perfluorophenoxy)phosphoryl)-L-alaninate (50 mg, 0.09 mmol) following the procedure for Example 13.
• 3,3-dimethylbutyl ((4-(tert-butyl)phenoxy) (perfluorophenoxy)phosphoryl)-L- alaninate was prepared from 3,3-dimethylbutyl L-alaninate following the procedure for Intermediate H 2 .
• 3,3-dimethylbutyl L-alaninate was prepared from 3,3-dimethylbutan-1-ol following the general procedure for Intermediate HI.
• LC system Agilent 1260 Infinity II HPLC; MS system: G6124B Single Quad; Column: Kinetix 2.6u C18 100A, 50 mm x 2.1 mm; Solvents: acetonitrile with 0.1% acetic acid, water with 0.1% acetic acid; Gradient: 0-1.00 min 10%- 100% acetonitrile, 1.00-1.35 min 100% acetonitrile, 1.35-1.36 min 100-10% acetonitrile at 2 ⁇ L/min.
• Example 62 [(2R,3R,4R,5R)-5-(4-aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)-2-[[(4-tert- butylphenoxy)-[[(lS)-2-(3,3-dimethylbutoxy)-1-methy1-2-oxo- ethyl]amino]phosphoryl]oxymethyl]-5-cyano-4-(2-methylpropanoyloxy)tetrahydrofuran-3- yl] 2-methylpropanoate
• Example 63 ethyl (2S)-2-[[[(3aR,4R,6R,6aR)-4-(4-aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)- 4-cyano-2,2-dimethy1-6,6a-dihydro-3aH-furo[3,4-d][1,3]dioxol-6-yl]methoxy-(4- isopropylphenoxy)phosphoryl] amino] propanoate
• This compound was prepared from ethyl ((4- isopropylphenoxy)(perfluorophenoxy)phosphoryl)-L-alaninate (50 mg, 0.14 mmol) following the procedure for Example 13.
• Ethyl ((4-isopropylphenoxy)(perfluorophenoxy)phosphoryl)-L- alaninate was prepared from ethyl L-alaninate and 4-isopropylphenol following the procedure for Intermediate H 2 .
• Example 64 [(2R,3R,4R,5R)-5-(4-aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)-5-cyano-2- [[[[(lS)-2-ethoxy-1-methy1-2-oxo-ethyl]amino]-(4-isopropylphenoxy)phosphoryl] - oxymethyl]-4-(2-methylpropanoyloxy)tetrahydrofuran-3-yl] 2-methylpropanoate [00462] This compound was prepared from Example 63 (10 mg, 0.02 mmol) following the procedure for Example 14.
• LC system Agilent 1260 Infinity II HPLC; MS system: G6124B Single Quad; Column: Kinetix 2.6u C18 100A, 50 mm x 2.1 mm; Solvents: acetonitrile with 0.1% acetic acid, water with 0.1% acetic acid; Gradient: 0-1.00 min 10%-100% acetonitrile, 1.00-1.35 min 100% acetonitrile, 1.35-1.36 min 100-10% acetonitrile at 2 ⁇ L/min.
• Example 65 spiro[3.3]heptan-2-yl (2S)-2-[[[(2R,3S,4R,5R)-5-(4-aminopyrrolo[2,1- f][1,2,4]triazin-7-yl)-5-cyano-3,4-dihydroxy-tetrahydrofuran-2-yl]methoxy-(4-tert- butylphenoxy)phosphoryl]amino]propanoate
• Example 66 [(2R,3R,4R,5R)-5-(4-aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)-2-[[(4-tert- butylphenoxy)-[[(lS)-1-methy1-2-oxo-2-spiro[3.3]heptan-2-yloxy- ethyl]amino]phosphoryl]oxymethyl]-5-cyano-4-(2-methylpropanoyloxy)tetrahydrofuran-3- yl] 2-methylpropanoate
• This intermediate SI was prepared from ethyl ((naphthalen-1- yloxy)(perfluorophenoxy)phosphoryl)-L-alaninate (50 mg, 0.10 mmol) following the procedure for Example 13.
• Ethyl ((naphthalen-1-yloxy)(perfluorophenoxy)phosphoryl)-L-alaninate was prepared from ethyl L-alaninate and naphthalen-1-ol following the procedure for Intermediate H 2 .
• Solvents acetonitrile with 0.1% acetic acid, water with 0.1% acetic acid; Gradient: 0-1.00 min 10%-100% acetonitrile, 1.00-1.35 min 100% acetonitrile, 1.35-1.36 min 100-10% acetonitrile at 2 ⁇ L/min.
• Example 68 2-ethylbutyl (2S)-2-[[[(3aR,4R,6R,6aR)-4-(4-aminopyrrolo[2,1- f][1,2,4]triazin-7-yl)-4-cyano-2,2-dimethy1-6,6a-dihydro-3aH-furo[3,4-d][1,3]dioxol-6- yl]methoxy-(3-tert-butylphenoxy)phosphoryl]amino]propanoate
• This compound was prepared from 2-ethylbutyl ((3-(tert-butyl)phenoxy) (perfluorophenoxy)phosphoryl)-L-alaninate (50 mg, 0.09 mmol) following the procedure for Example 13.
• 2-ethylbutyl ((3-(tert-butyl)phenoxy) (perfluorophenoxy)phosphoryl)-L-alaninate was prepared from 2-ethylbutyl L-alaninate and 3-(tert-butyl)phenol following the procedure for Intermediate H 2 .
• This compound was prepared from 2-ethylbutyl ((naphthalen-1- yloxyXperfluorophenoxy) phosphoryl)-L-alaninate (50 mg, 0.09 mmol) following the procedure for Example 13.
• 2-ethylbutyl ((naphthalen-1-yloxy)(perfluorophenoxy)phosphoryl)-L-alaninate was prepared from 2-ethylbutyl L-alaninate and naphthalen-1-ol following the procedure for Intermediate H 2 .
• This compound was prepared from 2-ethylbutyl ((naphthalen-2- yloxyXperfluorophenoxy) phosphoryl)-L-alaninate (50 mg, 0.09 mmol) following the procedure for Example 13.
• 2-ethylbutyl ((naphthalen-2-yloxy)(perfluorophenoxy)phosphoryl)-L-alaninate was prepared from 2-ethylbutyl L-alaninate and naphthalen-2-ol following the procedure for Intermediate H 2 .
• This compound was prepared from Intermediate S3 (10 mg, 0.02 mmol) following the procedure for Example 14. Individual isomers of compound 69 were separated by preparatory HPLC (Gemini 5um NX-C18 110A LC column 100x30mm, 95% to 0% water acetonitrile gradient).
• Example 70 [(2R,3R,4R,5R)-5-(4-aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)-5-cyano-2- [[[[(lS)-2-(2-ethylbutoxy)-1-methy1-2-oxo-ethyl]amino]-(1- naphthyloxy)phosphoryl]oxymethyl]-4-(2-methylpropanoyloxy)tetrahydrofuran-3-yl] 2- methylpropanoate
• Example 71 isopentyl (2S)-3-[4-[[(2R,3S,4R,5R)-5-(4-aminopyrrolo[2,1-f][1,2,4]triazin-7- yl)-5-cyano-3,4-dihydroxy-tetrahydrofuran-2-yl]methoxy-[[(lS)-2-(2-ethylbutoxy)-1- methy1-2-oxo-ethyl]amino]phosphoryl]oxyphenyl]-2-(benzyloxycarbonylamino)propanoate
• This compound was prepared from isopentyl (2S)-2-(((benzyloxy)carbonyl)amino)-3- (4-((((S)-1-(2-ethylbutoxy)-1-oxopropan-2- yl)amino)(perfluorophenoxy)phosphoryl)oxy)phenyl) propanoate (200 mg, 0.25 mmol) following the procedure for Example 13.
• Isopentyl ((benzyloxy)carbonyl)-L-tyrosinate was prepared from ((benzyloxy)carbonyl)-L-tyrosine and 3-methylbutan-1-ol following the general procedure for Intermediate HI.
• LC system Agilent 1260 Infinity II HPLC; MS system: G6124B Single Quad; Column: Kinetix 2.6u C18 100A, 50 mm x 2.1 mm; Solvents: acetonitrile with 0.1% acetic acid, water with 0.1% acetic acid; Gradient: 0- 1.00 min 10%-100% acetonitrile, 1.00-1.35 min 100% acetonitrile, 1.35-1.36 min 100-10% acetonitrile at 2 ⁇ L/min.
• Example 72 (2R,3R,4R,5R)-2-(4-aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)-5-((((4-((S)-2- (((benzyloxy)carbonyl)amino)-3-(isopentyloxy)-3-oxopropyl)phenoxy)(((S)-1-(2- ethylbutoxy)-1-oxopropan-2-yl)amino)phosphoryl)oxy)methyl)-2-cyanotetrahydrofuran- 3,4-diyl bis(2-methylpropanoate)
• Example 73 cyclooctyl (2S)-2-[[[(2R,3S,4R,5R)-5-(4-aminopyrrolo[2,1-f][1,2,4]triazin-7- yl)-5-cyano-3,4-dihydroxy-tetrahydrofuran-2-yl]methoxy-(4-tert- butylphenoxy)phosphoryl]amino]propanoate
• This compound was prepared from cyclooctyl ((4-(tert- butyl)phenoxy)(perfluorophenoxy) phosphoryl)-L-alaninate (150 mg, 0.26 mmol) following the procedure for Example 13.
• cyclooctyl ((4-(tert-butyl)phenoxy)(perfluorophenoxy)phosphoryl)- L-alaninate was prepared from cyclooctyl L-alaninate following the procedure for Intermediate H 2 .
• Cyclooctyl L-alaninate was prepared from cyclooctanol following the general procedure for
• This intermediate was prepared from 3,3-dimethylpentyl ((perfluorophenoxy)(phenoxy) phosphoryl)-L-alaninate (150 mg, 0.29 mmol) following the procedure for Example 13.
• 3,3- dimethylpentyl ((perfluorophenoxy)(phenoxy)phosphoryl)-L-alaninate was prepared from 3,3- dimethylpentyl L-alaninate following the procedure for Intermediate H 2 .
• 3,3-dimethylpentyl L- alaninate was prepared from 3,3-dimethylpentan-1-ol following the general procedure for Intermediate HI.
• LC system Agilent 1260 Infinity II HPLC; MS system: G6124B Single Quad; Column: Kinetix 2.6u C18 100A, 50 mm x 2.1 mm; Solvents: acetonitrile with 0.1% acetic acid, water with 0.1% acetic acid; Gradient: 0-1.00 min 10%-100% acetonitrile, 1.00-1.35 min 100% acetonitrile, 1.35-1.36 min 100-10% acetonitrile at 2 ⁇ L/min.
• Example 74 [(2R,3R,4R,5R)-5-(4-aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)-5-cyano-2- [[[[(lS)-2-(3,3-dimethylpentoxy)-1-methy1-2-oxo-ethyl]amino]-phenoxy- phosphoryl]oxymethyl]-4-(2-methylpropanoyloxy)tetrahydrofuran-3-yl] 2- methylpropanoate
• Example 75 (3-methoxy-3-methy1-butyl) (2S)-2-[[[(2R,3S,4R,5R)-5-(4-aminopyrrolo[2,1- f][1,2,4]triazin-7-yl)-5-cyano-3,4-dihydroxy-tetrahydrofuran-2-yl]methoxy-phenoxy- phosphoryl]amino]propanoate
• Example 76 [(2R,3R,4R,5R)-5-(4-aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)-5-cyano-2- [[[[(lS)-2-(3-methoxy-3-methy1-butoxy)-1-methy1-2-oxo-ethyl]amino]-phenoxy- phosphoryl]oxymethyl]-4-(2-methylpropanoyloxy)tetrahydrofuran-3-yl] 2- methylpropanoate
• Example 77 [(2R,3R,4R,5R)-5-(4-aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)-2-[[(4-tert- butylphenoxy)-[[(lS)-2-(cyclooctoxy)-1-methy1-2-oxo-ethyl]amino]phosphoryl]oxymethyl]- 5-cyano-4-(2-methylpropanoyloxy)tetrahydrofuran-3-yl] 2-methylpropanoate
• Example 73 This compound was prepared from Example 73 (32 mg, 0.20 mmol) following the procedure for Example 14. Individual isomers of Compound 77 were separated by preparatory HPLC (Gemini 5um NX-C18 110A LC column 100x30mm, 95% to 0% water acetonitrile gradient).
• Example 78 2-ethylbutyl (2S)-2-[[[(2R,3R,4R,5R)-3,4-diacetoxy-5-(4-aminopyrrolo[2,1- f][1,2,4]triazin-7-yl)-5-cyano-tetrahydrofuran-2-yl]methoxy-(1- naphthyloxy)phosphoryl]amino]propanoate
• This compound was prepared from Intermediate S2 (12 mg, 0.12 mmol) following the procedure for Example 14. Individual isomers of Compound 78 were separated by preparatory HPLC (Gemini 5um NX-C18 110A LC column 100x30mm, 95% to 0% water acetonitrile gradient).
• Example 79 2-ethylbutyl (2S)-2-[[[(2R,3R,4R,5R)-5-(4-aminopyrrolo[2,1-f][1,2,4]triazin-7- yl)-5-cyano-3,4-di(propanoyloxy)tetrahydrofuran-2-yl]methoxy-(1- naphthyloxy)phosphoryl]amino]propanoate [00494] This compound was prepared from Intermediate S2 (12 mg, 0.09 mmol) following the procedure for Example 14. Individual isomers of Compound 79 were separated by preparatory HPLC (Gemini 5um NX-C18 110A LC column 100x30mm, 95% to 0% water acetonitrile gradient).
• Example 81 Spiro[3.3]heptan-2-yl (2S)-2-[[[(2R,3R,4R,5R)-5-(4-aminopyrrolo[2,1- f][1,2,4]triazin-7-yl)-5-cyano-3,4-di(propanoyloxy) tetrahydrofuran-2-yl]methoxy-(4-tert- butylphenoxy)phosphoryl]amino]propanoate
• Example 65 This compound was prepared from Example 65 (25 mg, 0.37 mmol) following the procedure for Example 14. Individual isomers of Compound 81 were separated by preparatory HPLC (Gemini 5um NX-C18 110A LC column 100x30mm, 95% to 0% water acetonitrile gradient).

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