WO2010030592A1 - Compounds for the treatment of hepatitis c - Google Patents

Compounds for the treatment of hepatitis c Download PDF

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Publication number
WO2010030592A1
WO2010030592A1 PCT/US2009/056166 US2009056166W WO2010030592A1 WO 2010030592 A1 WO2010030592 A1 WO 2010030592A1 US 2009056166 W US2009056166 W US 2009056166W WO 2010030592 A1 WO2010030592 A1 WO 2010030592A1
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Prior art keywords
alkyl
solvent
phenyl
amino
substituted
Prior art date
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PCT/US2009/056166
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English (en)
French (fr)
Inventor
Kap-Sun Yeung
Kyle E. Parcella
John A. Bender
Brett R. Beno
Katharine A. Grant-Young
Ying Han
Piyasena Hewawasam
John F. Kadow
Andrew Nickel
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Bristol Myers Squibb Co
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Bristol Myers Squibb Co
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=41226922&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2010030592(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority to EP09792299.1A priority Critical patent/EP2326633B1/en
Priority to AU2009291966A priority patent/AU2009291966B2/en
Priority to BRPI0918174A priority patent/BRPI0918174A2/pt
Priority to CN200980144912.3A priority patent/CN102209717B/zh
Priority to CA2736988A priority patent/CA2736988A1/en
Priority to JP2011526931A priority patent/JP5685191B2/ja
Priority to MX2011002410A priority patent/MX2011002410A/es
Priority to EA201100390A priority patent/EA019185B1/ru
Application filed by Bristol Myers Squibb Co filed Critical Bristol Myers Squibb Co
Priority to NZ591172A priority patent/NZ591172A/xx
Publication of WO2010030592A1 publication Critical patent/WO2010030592A1/en
Priority to TN2011000089A priority patent/TN2011000089A1/fr
Priority to ZA2011/01739A priority patent/ZA201101739B/en
Priority to IL211509A priority patent/IL211509A0/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D307/78—Benzo [b] furans; Hydrogenated benzo [b] furans
    • C07D307/82—Benzo [b] furans; Hydrogenated benzo [b] furans with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to carbon atoms of the hetero ring
    • C07D307/84—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen
    • 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
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
    • A61P31/12—Antivirals
    • A61P31/14—Antivirals for RNA viruses
    • 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
    • A61P31/14—Antivirals for RNA viruses
    • A61P31/16—Antivirals for RNA viruses for influenza or rhinoviruses
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D405/00—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
    • C07D405/02—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings
    • C07D405/04—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings directly linked by a ring-member-to-ring-member bond
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D405/00—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
    • C07D405/02—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings
    • C07D405/10—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings linked by a carbon chain containing aromatic rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D405/00—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
    • C07D405/02—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings
    • C07D405/12—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings linked by a chain containing hetero atoms as chain links
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D407/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having oxygen atoms as the only ring hetero atoms, not provided for by group C07D405/00
    • C07D407/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having oxygen atoms as the only ring hetero atoms, not provided for by group C07D405/00 containing two hetero rings
    • C07D407/12—Heterocyclic compounds containing two or more hetero rings, at least one ring having oxygen atoms as the only ring hetero atoms, not provided for by group C07D405/00 containing two hetero rings linked by a chain containing hetero atoms as chain links
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D409/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms
    • C07D409/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings
    • C07D409/12—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings linked by a chain containing hetero atoms as chain links
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D413/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms
    • C07D413/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings
    • C07D413/10—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings linked by a carbon chain containing aromatic rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D413/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms
    • C07D413/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings
    • C07D413/12—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings linked by a chain containing hetero atoms as chain links
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D417/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00
    • C07D417/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings
    • C07D417/10—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings linked by a carbon chain containing aromatic rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D417/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00
    • C07D417/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings
    • C07D417/12—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings linked by a chain containing hetero atoms as chain links
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D453/00—Heterocyclic compounds containing quinuclidine or iso-quinuclidine ring systems, e.g. quinine alkaloids
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
    • C07D491/02—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains two hetero rings
    • C07D491/10—Spiro-condensed systems

Definitions

  • Ar 4 is furanyl, thienyl, pyrrolyl, pyrazolyl, isoxazolyl, isothiazolyl, imidazolyl, oxadiazolyl, thiadiazolyl, triazolyl, pyridinyl, indolyl, or phenyl and is substituted with 0-2 substituents selected from halo, alkyl, haloalkyl, hydroxyl, and alkoxy; and
  • Another aspect of the invention is a compound of formula I where R 20 and
  • R 19 is cyano, ((alkyl)pyrazolyl)amino, ((alkyl)isoxazolyl)amino (thiadiazolyl)amino, or (triazinyl)amino;
  • R 20 and R 21 are hydrogen;
  • Ar 3 is pyrazolyl isoxazolyl, thiazolyl, pyrimidinyl, or pyrizinyl and is substituted with 0-2 substituents selected from alkyl and hydroxyalkyl;
  • R 3 is CONR 11 R 12 ;
  • R 4 is phenyl substituted with 0-2 halo substituents;
  • R 9 is hydrogen, alkyl, or hydroxyalkyl
  • R 10 is hydrogen or alkyl
  • R 9 and R 10 taken together is ethylene or propylene
  • R 11 is alkyl
  • R 12 is hydrogen
  • R 17 is haloalkyl, cyanoalkyl, (cycloalkyl)alkyl, hydroxyalkyl, alkoxyalkyl, aminoalkyl, (R 18 )alkyl, (Ar 4 )alkyl, alkynyl, or aminocycloalkyl;
  • R 18 is CONH 2 , H 2 NCONH, dibenzylamino, phthalimido, amino, dialkylamino, pyrrolidinyl, piperidinyl, piperazinyl, morpholinyl where azetidinyl, pyrrolidinyl, piperidinyl, piperazinyl, or morpholinyl is substituted with 0-3 alkyl or alkoxycarbonyl substituents;
  • R 19 is cyano, hydroxyalkyl, morpholinylalkyl, carboxy, alkoxycarbonyl, cycloalkylsulfoxamido, ((alkyl)pyrazolyl)amino, ((alkyl)isoxazolyl)amino, (thiadiazolyl)amino, (triazinyl)amino, or alkynylaminocarbonyl;
  • R 20 and R 21 are hydrogen;
  • Ar 4 is furanyl, pyrrolyl, pyrazolyl, isoxazolyl, imidazolyl, oxadiazolyl, triazolyl, pyridinyl, indolyl, or phenyl and is substituted with 0-2 substituents selected from halo, alkyl, haloalkyl, and hydroxy; and
  • Alkyl means a straight or branched alkyl group composed of 1 to 6 carbons.
  • Alkenyl means a straight or branched alkyl group composed of 2 to 6 carbons with at least one double bond.
  • Cycloalkyl means a monocyclic ring system composed of 3 to 7 carbons.
  • Isotopically-labeled compounds of the invention can generally be prepared by conventional techniques known to those skilled in the art or by processes analogous to those described herein, using an appropriate isotopically-labeled reagent in place of the non-labeled reagent otherwise employed. Such compounds may have a variety of potential uses, for example as standards and reagents in determining biological activity. In the case of stable isotopes, such compounds may have the potential to favorably modify biological, pharmacological, or pharmacokinetic properties.
  • the compounds may be made by methods known in the art including those described below and including variations within the skill of the art. Some reagents and intermediates are known in the art. Other reagents and intermediates can be made by methods known in the art using readily available materials.
  • the variables (e.g., numbered "R" substituents) used to describe the synthesis of the compounds are intended only to illustrate how to make the compounds and are not to be confused with variables used in the claims or in other sections of the specification. The following methods are for illustrative purposes and are not intended to limit the scope of the invention.
  • Scheme 4 depicts some conditions for preparing some of the compounds described and for accessing an alternate common intermediate 3 which allows amide formation prior to nitro reduction and amine functionalization.
  • Scheme 6 shows a preparation of the functionalized benzofuran and Scheme 7 shows one method for installation of nitrogen functionality which can then functionalized as described in the previous schemes.
  • the protein was expressed with an 18 amino acid C-terminal truncation to enhance the solubility.
  • the E. coli competent cell line BL21(DE3) was used for expression of the protein. Cultures were grown at 37 0 C for ⁇ 4 hours until the cultures reached an optical density of 2.0 at 600 nm. The cultures were cooled to 20 0 C and induced with 1 mM IPTG. Fresh ampicillin was added to a final concentration of 50 ⁇ g/ml and the cells were grown overnight at 20 0 C.
  • Another aspect of the invention is a composition where the compound having anti-HCV activity is selected from the group consisting of interleukin 2, interleukin 6, interleukin 12, a compound that enhances the development of a type 1 helper T cell response, interfering RNA, anti-sense RNA, Imiqimod, ribavirin, an inosine 5'-monophospate dehydrogenase inhibitor, amantadine, and rimantadine.
  • interleukin 2 interleukin 6, interleukin 12
  • a compound that enhances the development of a type 1 helper T cell response interfering RNA, anti-sense RNA, Imiqimod, ribavirin, an inosine 5'-monophospate dehydrogenase inhibitor, amantadine, and rimantadine.
  • compositions encompass all common solid and liquid forms including for example capsules, tablets, lozenges, and powders as well as liquid suspensions, syrups, elixirs, and solutions.
  • Compositions are made using common formulation techniques, and conventional excipients (such as binding and wetting agents) and vehicles (such as water and alcohols) are generally used for compositions. See, for example, Remington 's Pharmaceutical Sciences, 17th edition, Mack Publishing Company, Easton, PA (1985).
  • the invention encompasses all conventional modes of administration; oral and parenteral methods are preferred.
  • the dosing regimen will be similar to other agents used clinically.
  • the daily dose will be 1-100 mg/kg body weight daily.
  • more compound is required orally and less parenterally.
  • the specific dosing regime will be determined by a physician using sound medical judgment.
  • Triethylamine (91 ⁇ L, 0.652 mmol) was added to a stirring solution of 1,1,1 -trifluoro-N-phenyl-N-(trifluoromethylsulfonyl)methanesulfonamide (116 mg, 0.326 mmol) and ethyl 2-(4-fluorophenyl)-5-hydroxy-4-nitrobenzofuran-3- carboxylate (75 mg, 0.217 mmol) in DCM (2.2 mL).
  • LC-MS retention time 1.34 min; m/z (MH+): 331.
  • LC data was recorded on a Shimadzu LC-IOAS liquid chromatograph equipped with a Waters XBridge 5u C18 4.6x50mm column using a SPD-10AV UV- Vis detector at a detector wave length of 22OnM.
  • the elution conditions employed a flow rate of 5 ml/min, a gradient of 100% solvent A / 0% solvent B to 0% solvent A / 100% solvent B, a gradient time of 2 min, a hold time of 1 min, and an analysis time of 3 min where solvent A was 5% acetonitrile / 95% H2O / 10 mM ammonium acetate and solvent B was 5% H 2 O / 95% acetonitrile / 10 mM ammonium acetate.
  • MS data was determined using a MICROMASS® Platform for LC in electrospray mode.
  • Step 2 The crude residue was diluted with DMF (2mL) and treated with DIEA (99 ⁇ L, 0.568 mmol) and Iodomethane (18 ⁇ L, 0.284 mmol) followed by Na 2 C ⁇ 3 (20 mg). The reaction was allowed to stir for 3 days. The mixture was diluted with EtOAc and washed with sat NaHC ⁇ 3, and sat NaCl. The organic phase was dried over Na2SO4, filtered and concentrated to give the titled compound (100 mg, 93%). LC-MS retention time: 1.96 min; m/z (MH+): the parent does not ionize.
  • Step 1 (2-Bromoethoxy)(tert-butyl)dimethylsilane (189 ⁇ L, 0.881 mmol) was added to a stirring suspension OfNa 2 COs (311 mg, 2.94 mmol) and ethyl 3-(6- (N-(2-(tert-butyldimethylsilyloxy)ethyl)methylsulfonamido)-2-(4-fluorophenyl)-3- (methylcarbamoyl)benzofuran-5-yl)benzoate in DMF (6 mL) at 100 0 C.
  • Step 2 The residue was diluted with EtOH (10 mL) and treated with NaOH (2938 ⁇ L, 2.94 mmol) and allowed to stir at 60 0 C for 4 hours. The mixture was diluted with EtOAc and washed with IM HCl, and sat NaCl. The organic phase was dried over Na 2 SO 4 , filtered and concentrated.
  • Step 3 The crude residue was taken up in THF and treated with IM HCl (making it 30% in THF). The reaction was allowed to stir for 1 hour. The mixture was diluted with EtOAc and washed with IM HCl, and sat NaCl. The organic phase was dried over Na 2 SO 4 , filtered and concentrated to give the titled compound (300 mg, 97%). LC-MS retention time: 1.09 min; m/z (MH+): 527. LC data was recorded on a Shimadzu LC-IOAS liquid chromatograph equipped with a Waters XB ridge 5u Cl 8 4.6x50mm column using a SPD-IOAV UV-Vis detector at a detector wave length of 22OnM.
  • LC data was recorded on a Shimadzu LC-IOAS liquid chromatograph equipped with a Waters XBridge 5u C18 4.6x50mm column using a SPD-10AV UV-Vis detector at a detector wave length of 22OnM.
  • the elution conditions employed a flow rate of 5 ml/min, a gradient of 100% solvent A / 0% solvent B to 0% solvent A / 100% solvent B, a gradient time of 2 min, a hold time of 1 min, and an analysis time of 3 min where solvent A was 5% acetonitrile / 95% H2O / 10 mM ammonium acetate and solvent B was 5% H 2 O / 95% acetonitrile / 10 mM ammonium acetate.
  • LC data was recorded on a Shimadzu LC-IOAS liquid chromatograph equipped with a Waters XBridge 5u Cl 8 4.6x50mm column using a SPD-10AV UV-Vis detector at a detector wave length of 22OnM.
  • the elution conditions employed a flow rate of 5 ml/min, a gradient of 100% solvent A / 0% solvent B to 0% solvent A / 100% solvent B, a gradient time of 2 min, a hold time of 1 min, and an analysis time of 3 min where solvent A was 5% acetonitrile / 95% H2O / 10 mM ammonium acetate and solvent B was 5% H 2 O / 95% acetonitrile / 10 mM ammonium acetate.
  • LC-MS retention time 1.04 min; m/z (MH+): 432.
  • LC data was recorded on a Shimadzu LC-IOAS liquid chromatograph equipped with a Waters XBridge 5u Cl 8 4.6x50mm column using a SPD-10AV UV-Vis detector at a detector wave length of 22OnM.
  • the elution conditions employed a flow rate of 5 ml/min, a gradient of 100% solvent A / 0% solvent B to 0% solvent A / 100% solvent B, a gradient time of 2 min, a hold time of 1 min, and an analysis time of 3 min where solvent A was 5% acetonitrile / 95% H 2 O / 10 mM ammonium acetate and solvent B was 5% H 2 O / 95% acetonitrile / 10 mM ammonium acetate.
  • MS data was determined using a MICROMASS® Platform for LC in electrospray mode.
  • LC data was recorded on a Shimadzu LC-IOAS liquid chromatograph equipped with a Waters XBridge 5u Cl 8 4.6x50mm column using a SPD-10AV UV-Vis detector at a detector wave length of 22OnM.
  • the elution conditions employed a flow rate of 5 ml/min, a gradient of 100% solvent A / 0% solvent B to 0% solvent A / 100% solvent B, a gradient time of 2 min, a hold time of 1 min, and an analysis time of 3 min where solvent A was 5% acetonitrile / 95% H 2 O / 10 mM ammonium acetate and solvent B was 5% H 2 O / 95% acetonitrile / 10 mM ammonium acetate.
  • MS data was determined using a MICROMASS® Platform for LC in electrospray mode.
  • LC data was recorded on a Shimadzu LC-IOAS liquid chromatograph equipped with a Waters XBridge 5u Cl 8 4.6x50mm column using a SPD-10AV UV-Vis detector at a detector wave length of 22OnM.
  • the elution conditions employed a flow rate of 5 ml/min, a gradient of 100% solvent A / 0% solvent B to 0% solvent A / 100% solvent B, a gradient time of 2 min, a hold time of 1 min, and an analysis time of 3 min where solvent A was 5% acetonitrile / 95% H 2 O / 10 mM ammonium acetate and solvent B was 5% H2O / 95% acetonitrile / 10 mM ammonium acetate.
  • LC data was recorded on a Shimadzu LC-IOAS liquid chromatograph equipped with a Waters XBridge 5u C18 4.6x50mm column using a SPD-10AV UV-Vis detector at a detector wave length of 22OnM.
  • the elution conditions employed a flow rate of 5 ml/min, a gradient of 100% solvent A / 0% solvent B to 0% solvent A / 100% solvent B, a gradient time of 2 min, a hold time of 1 min, and an analysis time of 3 min where solvent A was 5% acetonitrile / 95% H 2 O / 10 mM ammonium acetate and solvent B was 5% H 2 O / 95% acetonitrile / 10 mM ammonium acetate.
  • LC data was recorded on a Shimadzu LC-IOAS liquid chromatograph equipped with a Waters XBridge 5u C18 4.6x50mm column using a SPD-10AV UV- Vis detector at a detector wave length of 22OnM.
  • the elution conditions employed a flow rate of 5 ml/min, a gradient of 100% solvent A / 0% solvent B to 0% solvent A / 100% solvent B, a gradient time of 2 min, a hold time of 1 min, and an analysis time of 3 min where solvent A was 5% acetonitrile / 95% H 2 O / 10 mM ammonium acetate and solvent B was 5% H 2 O / 95% acetonitrile / 10 mM ammonium acetate.
  • the elution conditions employed a flow rate of 5 ml/min, a gradient of 100% solvent A / 0% solvent B to 0% solvent A / 100% solvent B, a gradient time of 2 min, a hold time of 1 min, and an analysis time of 3 min where solvent A was 5% acetonitrile / 95% H 2 O / 10 mM ammonium acetate and solvent B was 5% H 2 O / 95% acetonitrile / 10 mM ammonium acetate.
  • MS data was determined using a MICROMASS® Platform for LC in electrospray mode.
  • Stepl Ethyl 2-(4-fluorophenyl)-4-nitro-5-(3-(2-phenylpropan-2- ylcarbamoyl)phenyl)benzofuran-3-carboxylate (300 mg, 0.529 mmol) was diluted with EtOH (10 mL) and treated with NaOH (2.1 mL, 2.12 mmol, IN aq.) and the mixture, which became a slurry, was allowed to stir overnight at 60 0 C. The reaction was diluted with EtOAc and washed with IM HCl, and sat NaCl. The organic phase was dried over Na 2 SO 4 , filtered and concentrated.
  • Step 2 EDC (128 mg, 0.668 mmol) was added to a stirring solution of the crude 2-(4-fluorophenyl)-4-nitro-5-(3-(2-phenylpropan-2- ylcarbamoyl)phenyl)benzofuran-3-carboxylic acid (300 mg, 0.557 mmol), methanamine (306 ⁇ L, 0.613 mmol),l-hydroxy-7-azabenzotriazole (83 mg, 0.613 mmol), DIEA (204 ⁇ L, 1.170 mmol)in DCM (5.5 mL) at rt. It was allowed to stir for 3 days. The slurry had gone into solution over that period of time.
  • LC-MS retention time 2.02 min; m/z (MH+): 456.
  • LC data was recorded on a Shimadzu LC-IOAS liquid chromatograph equipped with a PHENOMENEX® Luna 1Ou Cl 8 3.0x50mm column using a SPD-10AV UV-Vis detector at a detector wave length of 22OnM.
  • Zinc chloride (8 mg, 0.054 mmol) was added to a stirring solution of 5-(3- cyanophenyl)-2-(4-fluorophenyl)-N-methylbenzofuran-3 -carboxamide (40 mg, 0.108 mmol) and (R)-2-amino-2-phenylethanol (148 mg, 1.080 mmol) in PhCl (3 mL) at rt. It was subjected to two interactions of microwave irradiation at 200 0 C for 1 hr. The material was concentrated and purified by preparative reverse phase HPLC on a Cl 8 column using a suitably buffered H 2 O/CH3CN gradient, and concentrated to give the titled compound (7 mg, 13%).
  • LC data was recorded on a Shimadzu LC-IOAS liquid chromatograph equipped with a Waters XBridge 5u Cl 8 4.6x50mm column using a SPD-10AV UV-Vis detector at a detector wave length of 22OnM.
  • the elution conditions employed a flow rate of 5 ml/min, a gradient of 100% solvent A / 0% solvent B to 0% solvent A / 100% solvent B, a gradient time of 2 min, a hold time of 1 min, and an analysis time of 3 min where solvent A was 5% acetonitrile / 95% H 2 O / 10 mM ammonium acetate and solvent B was 5% H2O / 95% acetonitrile / 10 mM ammonium acetate.
  • LC data was recorded on a Shimadzu LC-IOAS liquid chromatograph equipped with a Waters XBridge 5u C18 4.6x50mm column using a SPD-10AV UV-Vis detector at a detector wave length of 22OnM.
  • the elution conditions employed a flow rate of 5 ml/min, a gradient of 100% solvent A / 0% solvent B to 0% solvent A / 100% solvent B, a gradient time of 2 min, a hold time of 1 min, and an analysis time of 3 min where solvent A was 5% acetonitrile / 95% H 2 O / 10 mM ammonium acetate and solvent B was 5% H 2 O / 95% acetonitrile / 10 mM ammonium acetate.
  • solvent B 100% solvent B, a gradient time of 2 min, a hold time of 1 min, and an analysis time of 3 min where solvent A was 10% MeOH / 90% H 2 O / 0.1% trifluoroacetic acid and solvent B was 10% H 2 O / 90% MeOH / 0.1% trifluoroacetic acid.
  • LC data was recorded on a Shimadzu LC-IOAS liquid chromatograph equipped with a PHENOMENEX® Luna 1Ou C18 3.0x50mm column using a SPD-10AV UV-Vis detector at a detector wave length of 22OnM.
  • the elution conditions employed a flow rate of 5 ml/min, a gradient of 100% solvent A / 0% solvent B to 0% solvent A / 100% solvent B, a gradient time of 2 min, a hold time of 1 min, and an analysis time of 3 min where solvent A was 10% MeOH / 90% H 2 O / 0.1% trifluoroacetic acid and solvent B was 10% H 2 O / 90% MeOH / 0.1% trifluoroacetic acid.
  • LC-MS retention time 1.46 min; m/z (MH+): 498.
  • LC data was recorded on a Shimadzu LC-IOAS liquid chromatograph equipped with a Waters XBridge 5u C18 4.6x50mm column using a SPD-10AV UV-Vis detector at a detector wave length of 22OnM.
  • the elution conditions employed a flow rate of 5 ml/min, a gradient of 100% solvent A / 0% solvent B to 0% solvent A / 100% solvent B, a gradient time of 2 min, a hold time of 1 min, and an analysis time of 3 min where solvent A was 5% acetonitrile / 95% H 2 O / 10 mM ammonium acetate and solvent B was 5% H 2 O / 95% acetonitrile / 10 mM ammonium acetate.
  • MS data was determined using a MICROMASS® Platform for LC in electrospray mode.
  • 2-(4-Fluorophenyl)propan-2-amine (18 mg, 0.114 mmol) was added to a stirring solution of HATU (54 mg, 0.142 mmol), DIEA (50 ⁇ L, 0.285 mmol), and 2- (4-fluorophenyl)propan-2-amine (18 mg, 0.114 mmol) in DMF (950 ⁇ L) at rt.
  • LC-MS retention time 1.66 min; m/z (MH+): 662.
  • LC data was recorded on a Shimadzu LC-IOAS liquid chromatograph equipped with a Waters XBridge 5u C18 4.6x50mm column using a SPD-10AV UV-Vis detector at a detector wave length of 22OnM.
  • l-(4-Chlorophenyl)cyclopropanamine hydrochloride 25 mg, 0.123 mmol was added to a stirring solution of HATU (59 mg, 0.154 mmol), DIEA (54 ⁇ L, 0.308 mmol), and 3-(2-(4-fluorophenyl)-3-(methylcarbamoyl)benzofuran-5-yl)benzoic acid (40 mg, 0.103 mmol) in DMF (1 mL) at rt. It was allowed to stir for 1 hour. The mixture was diluted with EtOAc and washed with sat NaHCO 3 , and sat NaCl.
  • LC data was recorded on a Shimadzu LC-IOAS liquid chromatograph equipped with a PHENOMENEX® Luna 1Ou Cl 8 3.0x50mm column using a SPD-10AV UV-Vis detector at a detector wave length of 22OnM.
  • the elution conditions employed a flow rate of 5 ml/min, a gradient of 100% solvent A / 0% solvent B to 0% solvent A / 100% solvent B, a gradient time of 2 min, a hold time of 1 min, and an analysis time of 3 min where solvent A was 10% MeOH / 90% H 2 O / 0.1% trifluoroacetic acid and solvent B was 10% H 2 O / 90% MeOH / 0.1% trifluoroacetic acid.
  • LC- MS retention time 1.59 min; m/z (MH+): 508.
  • LC data was recorded on a Shimadzu LC-IOAS liquid chromatograph equipped with a Waters XBridge 5u C18 4.6x50mm column using a SPD-10AV UV-Vis detector at a detector wave length of 22OnM.
  • the elution conditions employed a flow rate of 5 ml/min, a gradient of 100% solvent A / 0% solvent B to 0% solvent A / 100% solvent B, a gradient time of 2 min, a hold time of 1 min, and an analysis time of 3 min where solvent A was 5% acetonitrile / 95% H 2 O / 10 mM ammonium acetate and solvent B was 5% H 2 O / 95% acetonitrile / 10 mM ammonium acetate.
  • MS data was determined using a MICROMAS S® Platform for LC in electrospray mode.
  • LC/MS was performed by using Shimadzu-VP instrument with UV detection at 220 nm and Waters MICROMASS®.
  • LC/MS was performed by using Shimadzu-VP instrument with UV detection at 220 nm and Waters MICROMASS®.
  • LC/MS was performed on a Shimadzu-VP instrument with UV detection at 220 nm and Waters MICROMASS®.
  • LC/MS was performed on a Shimadzu-VP instrument with UV detection at 220 nm and Waters MICROMASS®.
  • LC/MS was performed on a Shimadzu-VP instrument with UV detection at 220 nm and Waters MICROMASS®.
  • LC/MS was performed by using Shimadzu-VP instrument with UV detection at 220 nm and Waters MICROMASS®.
  • LC/MS was performed by using Shimadzu-VP instrument with UV detection at 220 nm and Waters MICROMASS®.
  • LC/MS was performed on a Shimadzu-VP instrument with UV detection at 220 nm and Waters MICROMASS®.
  • DIEA (50 ⁇ L, 0.29 mmol) was added to a suspension of 3-(2-(4- fluorophenyl)-3-(methylcarbamoyl)benzofuran-5-yl)benzoic acid (50 mg, 0.13 mmol) and HATU (60 mg, 0.16 mmol) in DMF (0.5 mL). The solids dissolved over 5 min, at which point tert-butylamine (20 ⁇ L, 0.19 mmol) was added. The solution was stirred at r.t.
  • LC/MS were performed by using Shimadzu-VP instrument with UV detection at 220 nm and Waters MICROMASS®.
  • LC/MS were performed by using Shimadzu-VP instrument with UV detection at 220 nm and Waters MICROMASS®.
  • Analytical HPLC were performed by using Shimadzu-VP instrument with UV detection at 220 nm and 254 nm.
  • 6-Acetamido-2-(4-fluorophenyl)-N-methyl-5 -(3 -( 1 - phenylcyclopropylcarbamoyl)phenyl)benzofuran-3-carboxamide [00223] Prepared from 6-amino-2-(4-fruorophenyl)-N-methyl-5-(3-(l- phenylcyclopropylcarbamoyl)phenyl)benzofuran-3-carboxamide in a similar manner as described.
  • 3-carboxamide Obtained from the reduction of 2-(4-fluorophenyl)-5-(3- (isobutylcarbamoyl)phenyl)-N-methyl-6-nitrobenzofuran-3-carboxamide using H 2 with 5% Pd/C as catalyst (1 :6 DMF/EtOAc, r.t.) in a similar manner as described.
  • N-methylbenzofuran-3-carboxamide Obtained from the reduction of 5-(2-fluoro-5-(l- phenylcyclopropylcarbamoyl)phenyl)-2-(4-fluorophenyl)-N-methyl-6- nitrobenzofuran-3-carboxamide using H 2 with 5% Pd/C as catalyst (1:5 DMF/EtOAc, r.t.) in a similar manner as described.
  • LC/MS were performed by using Shimadzu-VP instrument with UV detection at 220 nm and Waters MICROMASS®.
  • 6-Amino-5-(2-fluoro-5-(l-phenylpropylcarbamoyl)phenyl)-2-(4-fluorophenyl)-N- methylbenzofuran-3-carboxamide Obtained as a side product from the over-reduction of 5-(2-fluoro-5-(l- phenylcyclopropylcarbamoyl)phenyl)-2-(4-fluorophenyl)-N-methyl-6- nitrobenzofuran-3-carboxamide under the conditions using H 2 with 5% Pd/C as catalyst (1 :5 DMF/EtOAc, r.t.).
  • LC/MS were performed by using Shimadzu-VP instrument with UV detection at 220 nm and Waters MICROMASS®.
  • Analytical HPLC were performed by using Shimadzu-VP instrument with UV detection at 220 nm and 254 nm.
  • the crude product was diluted with 100 mL of dichloromethane, washed with water, then brine and dried over magnesium sulfate.
  • the residue was purified using a BIOTAGE® Horizon employing a gradient of 0 to 30% methanol in dichloromethane and a 40+M silica gel column.
  • the product was then triturated with cold ethyl acetate to give a 73% yield (259 mgs) of product, a white amorphous solid after drying under vacuum.
  • the NMR spectra was recorded at room temperature using a Bruker DRX300 spectrometer.
  • the product was extracted, washed with water then brine, and dried over magnesium sulfate. After solvent evaporation, the product was triturated with hexane to give a 91% yield (115 mgs), a white amorphous solid after drying under vacuum.
  • the NMR spectra was recorded at room temperature using a Bruker DRX300 spectrometer.
  • B 90% HPLC grade acetonitrile/ 0.1% trifluoroacetic acid/ 10% HPLC grade water
  • A 90% HPLC grade water / 0.1% trifluoroacetic acid/ 10% HPLC grade acetonitrile
  • B 90% HPLC grade acetonitrile/ 0.1% trifluoroacetic acid/ 10% HPLC grade water
  • A 90% HPLC grade water / 0.1% trifluoroacetic acid/ 10% HPLC grade acetonitrile

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BRPI0918174A BRPI0918174A2 (pt) 2008-09-11 2009-09-08 composto que apresenta atividade contra o vírus da hepatite c (hcv), sua composição e seu uso
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