WO2023072197A1 - Piperidinyl indole derivatives, preparation methods and medicinal uses thereof - Google Patents

Piperidinyl indole derivatives, preparation methods and medicinal uses thereof Download PDF

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Publication number
WO2023072197A1
WO2023072197A1 PCT/CN2022/127975 CN2022127975W WO2023072197A1 WO 2023072197 A1 WO2023072197 A1 WO 2023072197A1 CN 2022127975 W CN2022127975 W CN 2022127975W WO 2023072197 A1 WO2023072197 A1 WO 2023072197A1
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Prior art keywords
alkyl
alkoxy
haloalkyl
halogen
hydroxyalkyl
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PCT/CN2022/127975
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English (en)
French (fr)
Inventor
Hugh Y. Zhu
Avinash KHANNA
Matthew KIER
Lisa A. De Meese
Wei Zhou
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Jiangsu Hansoh Pharmaceutical Group Co Ltd
Shanghai Hansoh Biomedical Co Ltd
Hansoh Bio LLC
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Jiangsu Hansoh Pharmaceutical Group Co Ltd
Shanghai Hansoh Biomedical Co Ltd
Hansoh Bio LLC
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Application filed by Jiangsu Hansoh Pharmaceutical Group Co Ltd, Shanghai Hansoh Biomedical Co Ltd, Hansoh Bio LLC filed Critical Jiangsu Hansoh Pharmaceutical Group Co Ltd
Priority to EP22886072.2A priority Critical patent/EP4423076A4/en
Priority to AU2022376760A priority patent/AU2022376760A1/en
Priority to MX2024004921A priority patent/MX2024004921A/es
Priority to US18/705,084 priority patent/US20250243186A1/en
Priority to CA3236104A priority patent/CA3236104A1/en
Priority to CN202280071960.XA priority patent/CN118510765A/zh
Priority to JP2024524744A priority patent/JP2024541929A/ja
Priority to KR1020247016505A priority patent/KR20240090506A/ko
Publication of WO2023072197A1 publication Critical patent/WO2023072197A1/en
Anticipated expiration legal-status Critical
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    • A—HUMAN NECESSITIES
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    • C07D403/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings
    • C07D403/10—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings linked by a carbon chain containing aromatic rings
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/40—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with one nitrogen as the only ring hetero atom, e.g. sulpiride, succinimide, tolmetin, buflomedil
    • A61K31/403—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with one nitrogen as the only ring hetero atom, e.g. sulpiride, succinimide, tolmetin, buflomedil condensed with carbocyclic rings, e.g. carbazole
    • A61K31/404—Indoles, e.g. pindolol
    • 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
    • A61K31/33—Heterocyclic compounds
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    • A61K31/40—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with one nitrogen as the only ring hetero atom, e.g. sulpiride, succinimide, tolmetin, buflomedil
    • A61K31/403—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with one nitrogen as the only ring hetero atom, e.g. sulpiride, succinimide, tolmetin, buflomedil condensed with carbocyclic rings, e.g. carbazole
    • A61K31/404—Indoles, e.g. pindolol
    • A61K31/4045—Indole-alkylamines; Amides thereof, e.g. serotonin, melatonin
    • 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
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
    • A61K31/438—The ring being spiro-condensed with carbocyclic or heterocyclic ring systems
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
    • A61K31/44—Non condensed pyridines; Hydrogenated derivatives thereof
    • A61K31/4427—Non condensed pyridines; Hydrogenated derivatives thereof containing further heterocyclic ring systems
    • A61K31/4439—Non condensed pyridines; Hydrogenated derivatives thereof containing further heterocyclic ring systems containing a five-membered ring with nitrogen as a ring hetero atom, e.g. omeprazole
    • 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
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
    • A61K31/44—Non condensed pyridines; Hydrogenated derivatives thereof
    • A61K31/4427—Non condensed pyridines; Hydrogenated derivatives thereof containing further heterocyclic ring systems
    • A61K31/444—Non condensed pyridines; Hydrogenated derivatives thereof containing further heterocyclic ring systems containing a six-membered ring with nitrogen as a ring heteroatom, e.g. amrinone
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D209/02—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
    • C07D209/04—Indoles; Hydrogenated indoles
    • C07D209/30—Indoles; Hydrogenated indoles with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to carbon atoms of the hetero ring
    • C07D209/32—Oxygen atoms
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    • C07D401/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
    • C07D401/06—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a carbon chain containing only aliphatic carbon atoms
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    • C07D401/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
    • C07D401/10—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a carbon chain containing aromatic rings
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    • C07D401/14—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing three or more hetero rings
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    • C07D403/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings
    • C07D403/06—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings linked by a carbon chain containing only aliphatic carbon atoms
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    • 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
    • C07D413/14—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing three or more hetero rings
    • C—CHEMISTRY; METALLURGY
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    • 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
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    • 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
    • C07D491/04—Ortho-condensed systems
    • C07D491/044—Ortho-condensed systems with only one oxygen atom as ring hetero atom in the oxygen-containing ring
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    • 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
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    • C07B2200/05—Isotopically modified compounds, e.g. labelled

Definitions

  • the present invention belongs to the field of medicine, and relates to piperidinyl indole derivatives, preparation methods thereof, pharmaceutical compositions comprising the compounds, and medical uses thereof.
  • the complement system is a part of the innate immunosurveillance, playing a critical role in eliminating pathogens and in the tissue homeostasis.
  • the complement cascade can be activated by three different pathways including classical (CP) , lectin (LP) , and alternative pathway (AP) .
  • the CP and LP are initiated on target surfaces by immune complexes and binding of mannan-binding lectin or ficolin to a particular of microbial sugar moiety pattern, respectively.
  • the AP does not require specific initiation.
  • the AP cascade is initiated by spontaneous hydrolysis of C3 (tick-over) and subsequent deposition of C3b on an activating surface.
  • the three complement activation pathways converge on two major events, C3 cleavage and C5 cleavage.
  • C3 convertases split C3 into C3a and C3b.
  • C3b forms additional AP C3 convertases (amplification) as well as C5 convertases.
  • C5 convertases cleave C5 into C5a and C5b.
  • the produced C5b initiates the formation of the C5b-9 membrane attack complex (MAC) with C6-C9, leading to lysis of bacteria and cells by insertion into a membrane.
  • the split products C3a and C5a function as anaphylatoxins to promote pro-inflammatory responses through activation and chemotaxis of leukocytes.
  • C3b also plays a key role in removing bacteria and cellular waste such as immune complexes and apoptotic cells through promoting phagocytosis by opsonization.
  • the down-stream effects of mannan-induced lectin complement pathway activation depend quantitatively on alternative pathway amplification. Mol. Immunol. 47, 373–380. https: //doi. org/10.1016/j. molimm. 2009.09.005 ) .
  • the spontaneous activated C3 forms C3 convertase by binding with factor B (FB) .
  • C3b and Bb After cleavage of FB into Bb by factor D, C3b and Bb generate the AP C3 convertase (C3bBb) .
  • the newly formed C3bBb cleaves more C3 to generate more AP C3 convertases, leading to the amplification of complement cascade.
  • This invention aims to provide compounds which modulate Factor B and treat disorders associated with the dysregulation of the Complement pathway.
  • the present invention in one aspect, provides a compound of formula (I) , or tautomer, or pharmaceutically acceptable salt thereof,
  • A is cycloalkyl, heterocyclyl, aryl or heteroaryl
  • L is bond , (CR a R b ) p or absent;
  • R a and R b are independently selected from the group consisting of hydrogen, deuterium, halogen, amino, cyano, hydroxy, alkyl, alkoxy, alkylthio, haloalkyl, hydroxyalkyl, cycloalkyl, heterocyclyl, aryl and heteroaryl;
  • R 1 and R 2 are independently selected from the group consisting of hydrogen, deuterium, halogen, amino, cyano, hydroxy, alkyl, alkoxy, alkylthio, haloalkyl and hydroxyalkyl;
  • R 3 and R 4 are independently selected from the group consisting of hydrogen, deuterium, halogen, amino, cyano, hydroxy, alkyl, alkoxy, alkylthio, haloalkyl, haloalkenyl, hydroxyalkyl, deuterated alkoxy, haloalkoxy, cycloalkyl, heterocyclyl, aryl, heteroaryl, cycloalkylxoy, heterocyclylxoy, arylxoy and heteroarylxoy, optionally the hydroxy, alkyl, alkoxy, alkylthio, haloalkyl, hydroxyalkyl, deuterated alkoxy, haloalkoxy, cycloalkyl, heterocyclyl, aryl, heteroaryl, cycloalkylxoy, heterocyclylxoy, arylxoy and heteroarylxoy substituted with one or more substituents selected from deuterium, halogen, amino,
  • R 5 is independently selected from the group consisting of hydrogen, deuterium, halogen, amino, cyano, hydroxy, alkyl, alkoxy, alkylthio, haloalkyl, hydroxyalkyl, cycloalkyl, heterocyclyl, aryl and heteroaryl, optionally the amino, alkyl, alkoxy, alkylthio, haloalkyl, hydroxyalkyl, cycloalkyl, heterocyclyl, aryl and heteroaryl substituted with one or more substituents selected from deuterium, halogen, amino, cyano, hydroxy, alkyl, alkoxy, alkylthio, haloalkyl and hydroxyalkyl;
  • R 5 are together with the C atom to which they are attached form cycloalkyl or heterocyclyl, optionally the cycloalkyl or heterocyclyl substituted with one or more substituents selected from deuterium, halogen, amino, cyano, hydroxy, alkyl, alkenyl, alkynyl, alkoxy, alkylalkoxy, alkoxyalkyl, alkylthio, haloalkyl and hydroxyalkyl;
  • R 6 is selected from the group consisting of hydrogen, deuterium, halogen, amino, cyano, hydroxy, alkyl, alkoxy, alkylthio, haloalkyl, hydroxyalkyl, cycloalkyl, heterocyclyl, aryl and heteroaryl, –(CH 2 ) r OR 8 , – (CH 2 ) r C (O) R 8 , -S (O) NHalkyl, -SO 2 alkyl, -C (O) NHSO 2 alkyl and -SO 2 NHC (O) alkyl;
  • R 6 together with the C atom in to form cycloalkyl or heterocyclyl, optionally the cycloalkyl or heterocyclyl substituted with one or more substituents selected from deuterium, halogen, amino, cyano, hydroxy, alkyl, alkoxy, alkylalkoxy, alkoxyalkyl, alkylthio, haloalkyl and hydroxyalkyl;
  • R 7 is selected from the group consisting of hydrogen, deuterium, halogen, amino, cyano, hydroxy, alkyl, alkoxy, alkylthio, haloalkyl and hydroxyalkyl;
  • R 8 is selected from the group consisting of hydrogen, deuterium, halogen, amino, cyano, hydroxy, alkyl, alkoxy, alkylthio, haloalkyl and hydroxyalkyl;
  • p 1, 2 or 3;
  • r 0, 1, 2 or 3;
  • t 1, 2 or 3;
  • n 1, 2 or 3;
  • n 0, 1, 2 or 3;
  • R 1 and R 2 is hydrogen, R 3 is cyclopropyl or methoxy, R 4 is methyl, L is bond, R 6 is –COOH or –COOCH 3 , R 7 is hydrogen or trifluoromethyl, A is phenyl, and n is 1, 2 or 3, R 5 is not hydrogen or
  • R 1 and R 2 is hydrogen, R 4 is methyl, L is bond, R 7 is hydrogen, A is phenyl, pyridine or thiazolyl, m is 1, and n is 2, R 5 is not hydrogen, amino, hydroxy, methyl, ethyl, methoxy, ethyoxyl, propoxy, methylol, ethoxyl, cyanomethyl and methylamino; and,
  • R 1 and R 2 is hydrogen, R 4 is methyl, L is bond, R 7 is hydrogen, A is phenyl, m is 2 or 3, and n is 2, R 5 is not hydrogen or methyl.
  • A is C 6-10 aryl or 5-10 membered heteroaryl.
  • A is phenyl, naphthyl or 5-8 membered heteroaryl containing 1, 2 or 3 ring heteroatoms independently selected from N, O or S.
  • A is phenyl, benzocycloalkyl, or 5-8 membered heteroaryl containing 1, 2 or 3 of N heteroatoms.
  • A is
  • L is bond, CH 2 or absent.
  • L is bond
  • R 1 and R 2 are independently selected from the group consisting of hydrogen, deuterium, halogen, amino, cyano, hydroxy, C 1-6 alkyl, C 1-6 alkoxy, C 1-6 alkylthio, C 1-6 haloalkyl and C 1-6 hydroxyalkyl.
  • R 1 and R 2 are hydrogen.
  • R 3 and R 4 are independently selected from the group consisting of hydrogen, deuterium, halogen, amino, cyano, hydroxy, C 1-6 alkyl, C 1-6 alkoxy, C 1-6 alkylthio, C 1-6 haloalkyl, C 1-6 haloalkenyl, C 1-6 hydroxyalkyl, deuterated C 1-6 alkoxy, C 1-6 haloalkoxy, C 3-6 cycloalkyl, 4-10 membered heterocyclyl, C 6-10 aryl, 5-10 membered heteroaryl, C 3-6 cycloalkyloxy, 4-10 membered heterocyclyloxy, C 6-10 aryloxy and 5-10 membered heteroaryloxy, optionally the C 1-6 alkyl, C 1-6 alkoxy, C 1-6 alkylthio, C 1-6 haloalkyl, C 1-6 hydroxyalkyl, deuterated C 1-6 alkoxy, C 1-6 haloalkoxy substituted with
  • R 3 and R 4 are independently selected from the group consisting of C 1-3 alkyl, C 1-3 alkoxy, deuterium, halogen, deuterated C 1-3 alkoxy, C 1-3 haloalkoxy, C 3-6 cycloalkyl and C 3-6 cycloalkyloxy, optionally the C 1-3 alkyl, C 1-3 alkoxy, deuterated C 1-3 alkoxy, C 1-3 haloalkoxy substituted with one or more substituents selected from C 3-6 cycloalkyl, 4-6 membered heterocyclyl, C 6-10 aryl and 5-10 membered heteroaryl.
  • R 3 and R 4 are independently selected from the group consisting of deuterium, halogen, C 1-3 alkyl, C 1-3 alkoxy, deuterated C 1-3 alkoxy and C 1-3 haloalkoxy.
  • R 6 is selected from the group consisting of hydrogen, deuterium, halogen, amino, cyano, hydroxy, C 1-6 alkyl, C 1-6 alkoxy, C 1-6 alkylthio, C 1-6 haloalkyl, C 1-6 hydroxyalkyl, C 3-8 cycloalkyl, 4-10 membered heterocyclyl, C 5-10 aryl and 5-10 membered heteroaryl, – (CH 2 ) r C 1-6 alkoxy, – (CH 2 ) r C (O) OH, -S (O) NHC 1-6 alkyl, -SO 2 C 1-6 alkyl, -C (O) NHSO 2 C 1-6 alkyl and -SO 2 NHC (O) C 1-6 alkyl.
  • R 6 is selected from the group consisting of hydrogen, deuterium, halogen, amino, cyano, hydroxy, C 1-6 alkyl, C 1-6 alkoxy, C 1-6 alkylthio, C 1-6 haloalkyl, C 1-6 hydroxyalkyl, C 3-8 cycloalkyl, 5-6membered heterocyclyl containing 1-3 of heteroatom selected from N, O and S, C 5-10 aryl and 5-6 membered heteroaryl containing 1-3 of heteroatom selected from N, O and S, – (CH 2 ) r C 1-6 alkoxy, – (CH 2 ) r C (O) OH, -S (O) NHC 1-6 alkyl, -SO 2 C 1-6 alkyl, -C (O) NHSO 2 C 1-6 alkyl and -SO 2 NHC (O) C 1-6 alkyl.
  • R 6 is –COOH, 5-6membered heterocyclyl containing 1-3 of heteroatom selected from N, O and S, or 5-6 membered heteroaryl containing 1-3 of heteroatom selected from N, O and S.
  • R 6 is -F, -OMe, -CH 2 OH, -CH 2 OCH 3 , -CH 2 F, -CF 2 H, -CF 3 , –COOH, -C (O) NHSO 2 CH 3 or -S (O) NHCH 3 .
  • R 6 is –COOH or -S (O) NHCH 3 .
  • R 6 is —COOH
  • R 6 is
  • R 6 is —COOH.
  • R 5 is independently selected from the group consisting of hydrogen, deuterium, halogen, amino, cyano, hydroxy, C 1-6 alkyl, C 2-6 alkenyl, C 2-6 alkynyl, C 1-6 alkoxy, C 1- 6 alkylthio, C 1-6 haloalkyl, C 1-6 hydroxyalkyl, C 3-8 cycloalkyl, 4-10 membered heterocyclyl, C 5-10 aryl and 5-10 membered heteroaryl, optionally the C 1-6 alkyl, C 1-6 alkoxy, C 1-6 alkylthio, C 1-6 haloalkyl, C 1-6 hydroxyalkyl, C 3-8 cycloalkyl, 4-10 membered heterocyclyl, C 5-10 aryl and 5-10 membered heteroaryl substituted with one or more substituents selected from deuterium, halogen, amino, cyano, hydroxy, C 1-6 alkyl, C 1-6 alkoxy, C C 1-6 alkyl
  • R 5 are together with the C atom to which they are attached form C 3-6 cycloalkyl or 4-6 membered heterocyclyl containing1, 2 or 3 ring heteroatoms independently selected from N, O or S, optionally substituted with one or more substituents selected from deuterium, halogen, amino, cyano, hydroxy, C 1-6 alkyl, C 1-6 alkoxy, C 1-6 alkylC 1-6 alkoxy, C 1-6 alkoxyC 1-6 alkyl, C 1-6 alkylthio, C 1-6 haloalkyl and C 1-6 hydroxyalkyl.
  • R 7 is selected from the group consisting of hydrogen, deuterium, halogen, amino, cyano, hydroxy, C 1-6 alkyl, C 1-6 alkoxy, C 1-6 alkylthio, C 1-6 haloalkyl and C 1-6 hydroxyalkyl.
  • R 7 is hydrogen or C 1-3 alkyl.
  • R 8 is selected from the group consisting of hydrogen, deuterium, halogen, amino, cyano, hydroxy, C 1-6 alkyl, C 1-6 alkoxy, C 1-6 alkylthio, C 1-6 haloalkyl and C 1-6 hydroxyalkyl.
  • R 5 is s independently selected from the group consisting of hydrogen, deuterium, halogen, amino, cyano, hydroxy, C 1-3 alkyl, C 2-4 alkenyl, C 2-4 alkynyl, C 1-3 alkoxy, C 1- 3 alkylthio, C 1-3 haloalkyl, C 1-3 hydroxyalkyl, C 3-6 cycloalkyl, 4-6 membered heterocyclyl containing1, 2 or 3 ring heteroatoms independently selected from N, O or S, C 5-10 aryl and 5-6 membered heteroaryl containing1, 2 or 3 ring heteroatoms independently selected from N, O or S, optionally the C 1-3 alkyl, C 1-3 alkoxy, C 1-3 alkylthio, C 1-3 haloalkyl, C 1-3 hydroxyalkyl, C 3-6 cycloalkyl, 4-6 membered heterocyclyl, C 5-10 aryl and 5-6 membered heteroaryl substituted with one
  • R 5 are together with the C atom to which they are attached form C 3-6 cycloalkyl or 4-6 membered heterocyclyl containing1, 2 or 3 ring heteroatoms independently selected from N, O or S, optionally substituted with one or more substituents selected from deuterium, halogen, amino, cyano, hydroxy, C 1-3 alkyl, C 1-3 alkoxy, C 1-3 alkyl C 1-3 alkoxy, C 1-3 alkoxy C 1-3 alkyl, C 1-3 alkylthio, C 1-3 haloalkyl and C 1-3 hydroxyalkyl.
  • the compound of formula (I) may be compounds of formula (II-a) - (II-e) , or tautomer, or pharmaceutically acceptable salt thereof,
  • R 5 is independently selected from the group consisting of hydrogen, deuterium, halogen, amino, cyano, hydroxy, C 1-3 alkyl, C 1-3 alkoxy, C 1-3 alkylthio, C 1-3 haloalkyl, C 1-3 hydroxyalkyl, C 3-6 cycloalkyl, 4-6 membered heterocyclyl containing1, 2 or 3 ring heteroatoms independently selected from N, O or S, C 5-10 aryl, and 5-6 membered heteroaryl containing1, 2 or 3 ring heteroatoms independently selected from N, O or S, optionally the C 1-3 alkyl, C 1-3 alkoxy, C 1-3 alkylthio, C 1-3 haloalkyl, C 1-3 hydroxyalkyl, C 3-6 cycloalkyl, 4-6 membered heterocyclyl, C 5-10 aryl and 5-6 membered heteroaryl substituted with one or more substituents selected from deuterium, halogen, amino, cyano, hydroxy
  • B is optionally the B is substituted with one or more substituents selected from deuterium, halogen, amino, cyano, hydroxy, C 1-3 alkyl, C 2-4 alkenyl, C 2-4 alkynyl, C 1-3 alkoxy, C 1-3 alkylC 1-3 alkoxy, C 1-3 alkoxyC 1-3 alkyl, C 1-3 alkylthio, C 1-3 haloalkyl, and C 1-3 hydroxyalkyl;
  • C is optionally the C is substituted with one or more substituents selected from deuterium, halogen, amino, cyano, hydroxy, C 1-3 alkyl, C 2-4 alkenyl, C 2-4 alkynyl, C 1-3 alkoxy, C 1-3 alkylC 1-3 alkoxy, C 1-3 alkoxyC 1-3 alkyl, C 1-3 alkylthio, C 1-3 haloalkyl, and C 1-3 hydroxyalkyl.
  • substituents selected from deuterium, halogen, amino, cyano, hydroxy, C 1-3 alkyl, C 2-4 alkenyl, C 2-4 alkynyl, C 1-3 alkoxy, C 1-3 alkylC 1-3 alkoxy, C 1-3 alkoxyC 1-3 alkyl, C 1-3 alkylthio, C 1-3 haloalkyl, and C 1-3 hydroxyalkyl.
  • the compound of formula (II-a) - (II-e) or tautomer, or pharmaceutically acceptable salt thereof,
  • B is optionally the B is substituted with one or more substituents selected from deuterium, halogen, amino, cyano, hydroxy, C 1-3 alkyl, C 2-4 alkenyl, C 2-4 alkynyl, C 1-3 alkoxy, C 1-3 alkylC 1-3 alkoxy, C 1-3 alkoxyC 1-3 alkyl, C 1-3 alkylthio, C 1-3 haloalkyl and C 1-3 hydroxyalkyl;
  • C is optionally the C is substituted with one or more substituents selected from deuterium, halogen, amino, cyano, hydroxy, C 1-3 alkyl, C 2-4 alkenyl, C 2-4 alkynyl, C 1-3 alkoxy, C 1-3 alkylC 1-3 alkoxy, C 1-3 alkoxyC 1-3 alkyl, C 1-3 alkylthio, C 1-3 haloalkyl and C 1-3 hydroxyalkyl.
  • substituents selected from deuterium, halogen, amino, cyano, hydroxy, C 1-3 alkyl, C 2-4 alkenyl, C 2-4 alkynyl, C 1-3 alkoxy, C 1-3 alkylC 1-3 alkoxy, C 1-3 alkoxyC 1-3 alkyl, C 1-3 alkylthio, C 1-3 haloalkyl and C 1-3 hydroxyalkyl.
  • C is optionally the C is substituted with one or more substituents selected from deuterium, halogen, amino, cyano, hydroxy, C 1-3 alkyl, C 2-4 alkenyl, C 2-4 alkynyl, C 1-3 alkoxy, C 1-3 alkylC 1-3 alkoxy, C 1-3 alkoxyC 1-3 alkyl, C 1- 3 alkylthio, C 1-3 haloalkyl and C 1-3 hydroxyalkyl.
  • substituents selected from deuterium, halogen, amino, cyano, hydroxy, C 1-3 alkyl, C 2-4 alkenyl, C 2-4 alkynyl, C 1-3 alkoxy, C 1-3 alkylC 1-3 alkoxy, C 1-3 alkoxyC 1-3 alkyl, C 1- 3 alkylthio, C 1-3 haloalkyl and C 1-3 hydroxyalkyl.
  • the compound of formula (II-a) - (II-e) may be compounds of formula (III-a) - (III-e) , or tautomer, or pharmaceutically acceptable salt thereof,
  • substituents selected from deuterium, halogen, amino, cyano, hydroxy, C 1-3 alkyl, C 2-4 alkenyl, C 2-4 alkynyl, C 1-3 alkoxy, C 1-3 alkylC 1-3 alkoxy, C 1-3 alkoxyC 1-3 alkyl, C 1-3 alkylthio, C 1-3 haloalkyl and C 1-3 hydroxyalkyl.
  • substituents selected from deuterium, halogen, amino, cyano, hydroxy, C 1-3 alkyl, C 2-4 alkenyl, C 2-4 alkynyl, C 1-3 alkoxy, C 1-3 alkylC 1-3 alkoxy, C 1-3 alkoxyC 1-3 alkyl, C 1-3 alkylthio, C 1-3 haloalkyl and C 1-3 hydroxyalkyl.
  • substituents selected from deuterium, halogen, amino, cyano, hydroxy, C 1-3 alkyl, C 2-4 alkenyl, C 2-4 alkynyl, C 1-3 alkoxy, C 1-3 alkylC 1-3 alkoxy, C 1-3 alkoxyC 1-3 alkyl, C 1-3 alkylthio, C 1-3 haloalkyl and C 1-3 hydroxyalkyl;
  • substituents selected from deuterium, halogen, amino, cyano, hydroxy, C 1-3 alkyl, C 2-4 alkenyl, C 2-4 alkynyl, C 1-3 alkoxy, C 1-3 alkylC 1-3 alkoxy, C 1-3 alkoxyC 1-3 alkyl, C 1-3 alkylthio, C 1-3 haloalkyl and C 1-3 hydroxyalkyl.
  • the compound of formula (I) may be compounds of formula (IV) , or tautomer, or pharmaceutically acceptable salt thereof,
  • R 9 is hydrogen, halogen, amino, cyano, hydroxy, C 1-3 alkyl, C 2-4 alkenyl, C 2-4 alkynyl, C 1-3 alkoxy, C 1-3 alkylthio, C 1-3 haloalkyl and C 1-3 hydroxyalkyl, optionally substituted with one or more substituents selected from halogen, amino, hydroxy, C 1-3 alkyl, C 1-3 alkoxy, C 1-3 alkylamino, C 3-6 cycloalkyl and 5-6 membered heterocyclyl containing1or 2 ring heteroatoms independently selected from N or O;
  • R 9 or, two of R 9 together with the C atom to which they are attached from C 3-6 cycloalkyl, optionally substituted with one or more substituents selected from deuterium, halogen, amino, cyano, hydroxy, C 1-3 alkyl, C 2-4 alkenyl, C 2-4 alkynyl, C 1-3 alkylamino, C 1-3 alkoxy, C 1-3 alkylC 1-3 alkoxy, C 1-3 alkoxyC 1-3 alkyl, C 1-3 alkylthio, C 1-3 haloalkyl and C 1-3 hydroxyalkyl;
  • n 1 or 2;
  • s 0, 1 or 2.
  • each of R 3 and R 4 is methyl or methoxy
  • R 5 is hydrogen, halogen, cyano, C 1-3 alkyl, C 2-4 alkenyl, C 2-4 alkynyl, C 1-3 alkoxy, C 1-3 haloalkyl, C 1-3 alkylC 1-3 alkoxy, C 1-3 alkoxyC 1-3 alkyl, C 3-6 cycloalkyl, 5 membered heteroaryl containing1or 2 ring heteroatoms independently selected from N or O;
  • R 6 is –COOH or -S (O) NHCH 3 .
  • the compound of formula (I) may be compounds of formula (V-a) - (V-c) , or tautomer, or pharmaceutically acceptable salt thereof,
  • M is O or CR c R d ;
  • R c and R d are independently selected from hydrogen, halogen or C 1-3 alkyl
  • R 3 and R 4 are independently selected from C 1-3 alkyl, C 1-3 alkoxy or C 3-6 cycloalkyl;
  • R 5 is hydrogen, halogen, C 1-3 alkyl or C 1-3 haloalkyl
  • R 6 is –COOH, -C (O) NHSO 2 CH 3 or -S (O) NHCH 3 ;
  • R 7 is hydrogen, C 1-3 alkyl or C 1-3 hydroxyalkyl
  • R 9 is hydrogen, halogen, C 1-3 alkyl or C 1-3 haloalkyl
  • R 10 is hydrogen, C 1-3 alkyl or C 1-3 haloalkyl
  • n 1 or 2;
  • q 1, 2 or 3
  • s 0, 1 or 2
  • t 1 or 2.
  • the compound of formula (I) may be compounds of formula (V-a) - (V-c) , or tautomer, or pharmaceutically acceptable salt thereof,
  • M is O or CR c R d ;
  • R c and R d are independently selected from hydrogen, halogen or C 1-3 alkyl
  • R 3 and R 4 are independently selected from deuterium, halogen, C 1-3 alkyl, C 1-3 alkoxy, C 3-6 cycloalkyl, C 3-6 cycloalkyloxy, deuterated C 1-3 alkoxy, C 1-3 haloalkoxy and C 3-6 cycloalkylC 1-3 alkoxy;
  • R 5 is hydrogen, halogen, C 1-3 alkyl or C 1-3 haloalkyl
  • R 6 is –COOH, -C (O) NHSO 2 CH 3 or -S (O) NHCH 3 ;
  • R 7 is hydrogen, C 1-3 alkyl or C 1-3 hydroxyalkyl
  • R 9 is hydrogen, halogen, C 1-3 alkyl or C 1-3 haloalkyl
  • R 10 is hydrogen, C 1-3 alkyl or C 1-3 haloalkyl
  • n 1 or 2;
  • q 1, 2 or 3
  • s 0, 1 or 2
  • t 1 or 2.
  • the compound of formula (I) may be compounds of formula (VI) , or tautomer, or pharmaceutically acceptable salt thereof,
  • R 3 and R 4 are independently selected from deuterium, halogen, C 1-3 alkyl, C 1-3 alkoxy, C 3-6 cycloalkyl, C 3-6 cycloalkyloxy, deuterated C 1-3 alkoxy, C 1-3 haloalkoxy and C 3-6 cycloalkylC 1-3 alkoxy;
  • R 6 is –COOH, -C (O) NHSO 2 CH 3 , -S (O) NHCH 3 ,
  • R 7 is hydrogen, C 1-3 alkyl or C 1-3 hydroxyalkyl
  • R 10 is hydrogen, C 1-3 alkyl or C 1-3 haloalkyl
  • each of R c and R d is independently selected from hydrogen, halogen, C 1-3 alkyl and C 1-3 haloalkyl.
  • R c and R d is independently selected from hydrogen, halogen, C 1-3 alkyl and C 1-3 haloalkyl.
  • R 3 and R 4 are independently selected from deuterium, halogen, C 1-3 alkyl, C 1-3 alkoxy, C 3-6 cycloalkyl, C 3-6 cycloalkyloxy, deuterated C 1-3 alkoxy, C 1-3 haloalkoxy and C 3-6 cycloalkylC 1-3 alkoxy;
  • R 6 is –COOH, -C (O) NHSO 2 CH 3 , -S (O) NHCH 3 ,
  • R 7 is hydrogen, C 1-3 alkyl or C 1-3 hydroxyalkyl
  • R 10 is hydrogen, C 1-3 alkyl or C 1-3 haloalkyl
  • each of R c and R d is F.
  • R 3 and R 4 are independently selected from deuterium, halogen, C 1-3 alkyl, C 1-3 alkoxy, C 3-6 cycloalkyl, C 3-6 cycloalkyloxy, deuterated C 1-3 alkoxy, C 1-3 haloalkoxy and C 3-6 cycloalkylC 1-3 alkoxy;
  • R 7 is hydrogen, C 1-3 alkyl or C 1-3 hydroxyalkyl
  • R 10 is hydrogen, C 1-3 alkyl or C 1-3 haloalkyl
  • each of R c and R d is F.
  • the compound of formula (VI) may be compounds of formula (VI-a) , or tautomer, or pharmaceutically acceptable salt thereof,
  • R 3 and R 4 are dependently selected from deuterium, halogen, C 1-3 alkyl, C 1-3 alkoxy, C 3-6 cycloalkyl;
  • R 6 is –COOH, -C (O) NHSO 2 CH 3 , -S (O) NHCH 3 ;
  • R 7 is hydrogen, C 1-3 alkyl or C 1-3 hydroxyalkyl
  • R 10 is hydrogen, C 1-3 alkyl or C 1-3 haloalkyl
  • each of R c and R d is independently selected from hydrogen, halogen, C 1-3 alkyl and C 1-3 haloalkyl.
  • the compound of formula (VI-a) may be compounds of formula (VI-b) , or tautomer, or pharmaceutically acceptable salt thereof,
  • R 3 and R 4 are independently selected from deuterium, halogen, C 1-3 alkyl, C 1-3 alkoxy, cyclopropyl, cyclobutyl;
  • R 6 is –COOH, -C (O) NHSO 2 CH 3 , -S (O) NHCH 3 ;
  • R 7 is hydrogen, C 1-3 alkyl or C 1-3 hydroxyalkyl
  • R 10 is hydrogen, C 1-3 alkyl or C 1-3 haloalkyl, wherein the haloalkyl group contains at least two halogen atoms selected from F;
  • each of R c and R d is independently selected from hydrogen, halogen, C 1-3 alkyl and C 1-3 haloalkyl.
  • the present invention also provides a pharmaceutical composition, comprising a therapeutically effective amount of a compound of any formula (I) - (VI-b) , or tautomer, or pharmaceutically acceptable salt thereof, together with one or more pharmaceutically acceptable carriers, diluents or excipients.
  • the present invention relates to a method of modulating complement alternative pathway activity, comprising administering to a subject in need thereof an effective amount of a compound of any formula (I) - (VI-b) , or a pharmaceutical composition comprising the same.
  • the amount of the compound, tautomer, cis-or trans-isomer, mesomer, racemate, enantiomer, diastereomer, or mixture thereof, or pharmaceutically acceptable salts thereof is about 0.1-99%, 0.2-98.5%, 0.3-98%, 0.4-97.5%, 0.5-97%, 0.6-96.5%, 0.7-96%, 0.8-95.5%, 0.9-95%, 1-94.5%, 1.1-94%, 1.2-93.5%, 1.3-93%, 1.4-92.5%, 1.5-92%, 1.6-91.5%, 1.7-91%, 1.8-90.5%, 1.9-90%, 2-89.5%, 2.1-89%, 2.2-88.5%, 2.3-88%, 2.4-87.5%, 2.5-87%, 2.6-86.5%, 2.7-86%, 2.8-85.5%, 2.9-85%, 3-84.5%, 3.1-84%, 3.2-83.5%, 3.3-83%, 3.4-82.5%, 3.5-82%
  • the amount of the compound, tautomer, cis-or trans-isomer, mesomer, racemate, enantiomer, diastereomer, or mixture thereof, or pharmaceutically acceptable salts thereof is about 15-30%, 15.1-29.9%, 15.2-29.8%, 15.3-29.7%, 15.4-29.6%, 15.5-29.5%, 15.6-29.4%, 15.7-29.3%, 15.8-29.2%, 15.9-29.1%, 16-29%, 16.1-28.9%, 16.2-28.8%, 16.3-28.7%, 16.4-28.6%, 16.5-28.5%, 16.6-28.4%, 16.7-28.3%, 16.8-28.2%, 16.9-28.1%, 17-28%, 17.1-27.9%, 17.2-27.8%, 17.3-27.7%, 17.4-27.6%, 17.5-27.5%, 17.6-27.4%, 17.7-27.3%, 17.8-27.2%, 17.9-27.1%, 18-27%, 18.1-26.9%, 18.2-26.8%, 18.
  • the unit dosage of the compound, tautomer, cis-or trans-isomer, mesomer, racemate, enantiomer, diastereomer, or mixture thereof, or pharmaceutically acceptable salts thereof is 1mg, 2mg, 3mg, 4mg, 5mg, 6mg, 7mg, 8mg, 9mg, 10mg, 11mg, 12mg, 13mg, 14mg, 15mg, 16mg, 17mg, 18mg, 19mg, 20mg, 21mg, 22mg, 23mg, 24mg, 25mg, 26mg, 27mg, 28mg, 29mg, 30mg, 31mg, 32mg, 33mg, 34mg, 35mg, 36mg, 37mg, 38mg, 39mg, 40mg, 41mg, 42mg, 43mg, 44mg, 45mg, 46mg, 47mg, 48mg, 49mg,
  • the compound, tautomer, cis-or trans-isomer, mesomer, racemate, enantiomer, diastereomer, or mixture thereof, or pharmaceutically acceptable salts thereof is can be administered by any suitable route of administration, e.g. oral, parenteral, buccal, sublingual, nasal, rectal, intrathecal or transdermal administration, and the pharmaceutical compositions adapted accordingly.
  • the compound, tautomer, cis-or trans-isomer, mesomer, racemate, enantiomer, diastereomer, or mixture thereof, or pharmaceutically acceptable salts is formulated as a soild or liquid form, e.g. of tablets, pills, powders, lozenges, sachets, cachets, elixirs, suspensions, emulsions, solutions, syrups, granules.
  • the compound is selected from the following structure:
  • the present invention relates to a method of treating a disorder or a disease in a subject mediated by complement activation, in particular mediated by activation of the complement alternative pathway, comprising administering to a subject in need thereof an effective amount of a compound any formula (I) - (VI-b) , or a pharmaceutical composition comprising the same.
  • the disease or disorder is selected from the group consisting of age-related macular degeneration, geographic atrophy, diabetic retinopathy, uveitis, retinitis pigmentosa, macular edema, Behcet's uveitis, multifocal choroiditis, Vogt-Koyangi-Harada syndrome, imtermediate uveitis, birdshot retino-chorioditis, sympathetic ophthalmia, ocular dicatricial pemphigoid, ocular pemphigus, nonartertic ischemic optic neuropathy, post-operative inflammation, retinal vein occlusion, neurological disorders, multiple sclerosis, stroke, Guillain Barre Syndrome, traumatic brain injury, Parkinson's disease, disorders of inappropriate or undesirable complement activation, hemodialysis complications, hyperacute allograft rejection, xenograft rejection, interleukin-2 induced toxicity during IL-2 therapy, inflammatory disorders, inflammation
  • FIG. 1 Ex vivo assessment of Plasma PD inhibition on mouse
  • Alkyl refers to a saturated aliphatic hydrocarbon group including C 1 -C 20 straight chain and branched chain groups.
  • an alkyl group is an alkyl having 1 to 12, sometimes preferably 1 to 6, sometimes more preferably 1 to 4, carbon atoms.
  • Representative examples include, but are not limited to methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, tert-butyl, sec-butyl, n-pentyl, 1, 1-dimethyl propyl, 1, 2-dimethyl propyl, 2, 2-dimethyl propyl, 1-ethyl propyl, 2-methylbutyl, 3-methylbutyl, n-hexyl, 1-ethyl-2-methylpropyl, 1, 1, 2-trimethylpropyl, 1, 1-dimethylbutyl, 1, 2-dimethylbutyl, 2, 2-dimethylbutyl, 1, 3-dimethylbutyl, 2-ethylbutyl, 2-methylpentyl, 3-methylpentyl, 4-methylpentyl, 2, 3-dimethylbutyl, n-heptyl, 2-methylhexyl, 3-methylhexyl, 4-methylhexyl, 5-methylhexyl,
  • an alkyl group is a lower alkyl having 1 to 6 carbon atoms.
  • Representative examples include, but are not limited to, methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, tert-butyl, sec-butyl, n-pentyl, 1, 1-dimethylpropyl, 1, 2-dimethylpropyl, 2, 2-dimethylpropyl, 1-ethylpropyl, 2-methylbutyl, 3-methylbutyl, n-hexyl, 1-ethyl-2-methylpropyl, 1, 1, 2-trimethylpropyl, 1, 1-dimethylbutyl, 1, 2-dimethylbutyl, 2, 2-dimethylbutyl, 1, 3-dimethylbutyl, 2-ethylbutyl, 2-methylpentyl, 3-methylpentyl, 4-methylpentyl, 2, 3-dimethylbutyl, etc.
  • the alkyl group can be substituted or unsubstituted.
  • the substituent group (s) can be substituted at any available connection point, preferably the substituent group (s) is one or more substituents independently selected from the group consisting of alkyl, halogen, alkoxy, alkenyl, alkynyl, alkylsulfo, alkylamino, thiol, hydroxy, nitro, cyano, amino, cycloalkyl, heterocyclic alkyl, aryl, heteroaryl, cycloalkoxyl, heterocylic, cycloalkylthio, heterocylic alkylthio and oxo group.
  • Alkenyl refers to an alkyl defined as above that has at least two carbon atoms and at least one carbon-carbon double bond, for example, vinyl, 1-propenyl, 2-propenyl, 1-, 2-, or 3-butenyl, etc., preferably C 2-20 alkenyl, more preferably C 2-12 alkenyl, and most preferably C 2-6 alkenyl.
  • the alkenyl group can be substituted or unsubstituted.
  • the substituent group (s) is preferably one or more, sometimes preferably one to five, sometimes more preferably one to three, group (s) independently selected from the group consisting of alkyl, halogen, alkoxy, alkenyl, alkynyl, alkylsulfo, alkylamino, thiol, hydroxy, nitro, cyano, amino, cycloalkyl, heterocyclic alkyl, aryl, heteroaryl, cycloalkoxyl, heterocylic, cycloalkylthio, heterocylic alkylthio and oxo group.
  • Alkynyl refers to an alkyl defined as above that has at least two carbon atoms and at least one carbon-carbon triple bond, for example, ethynyl, 1-propynyl, 2-propynyl, 1-, 2-, or 3-butynyl etc., preferably C 2-20 alkynyl, more preferably C 2-12 alkynyl, and most preferably C 2-6 alkynyl.
  • the alkynyl group can be substituted or unsubstituted.
  • the substituent group (s) is preferably one or more, sometimes preferably one to five, sometimes more preferably one to three, group (s) independently selected from the group consisting of alkyl, alkenyl, alkynyl, alkoxy, alkylsulfo, alkylamino, halogen, thiol, hydroxy, nitro, cyano, cycloalkyl, heterocyclic alkyl, aryl, heteroaryl, cycloalkoxyl, heterocylic alkoxyl, cycloalkylthio and heterocylic alkylthio.
  • Alkylene refers to a saturated linear or branched aliphatic hydrocarbon group, wherein having 2 residues derived by removing two hydrogen atoms from the same carbon atom of the parent alkane or two different carbon atoms.
  • the straight or branched chain group containing 1 to 20 carbon atoms preferably has 1 to 12 carbon atoms, more preferably 1 to 6 carbon atoms.
  • Non- limiting examples of alkylene groups include, but are not limited to, methylene (-CH 2 -) , 1, 1-ethylene (-CH (CH 3 ) -) , 1, 2-ethylene (-CH 2 CH 2 ) -, 1, 1-propylene (-CH (CH 2 CH 3 ) -) , 1, 2-propylene (-CH 2 CH (CH 3 ) -) , 1, 3-propylene (-CH 2 CH 2 CH 2 -) , 1, 4-butylidene (-CH 2 CH 2 CH 2 CH 2 -) etc.
  • the alkylene group can be substituted or unsubstituted.
  • the substituent group (s) is preferably one or more, sometimes preferably one to five, sometimes more preferably one to three, group (s) independently selected from the group consisting of selected from alkyl, alkenyl, alkynyl, alkoxy, alkylsulfo, alkylamino, halogen, thiol, hydroxy, nitro, cyano, cycloalkyl, heterocyclic alkyl, aryl, heteroaryl, cycloalkoxyl, heterocylic alkoxyl, cycloalkylthio and heterocylic alkylthio.
  • Alkenylene refers to an alkylene defined as above that has at least two carbon atoms and at least one carbon-carbon double bond, preferably C 2-20 alkenylene, more preferably C 2-12 alkenylene, and most preferably C 2-6 alkenylene.
  • the alkenylene group can be substituted or unsubstituted.
  • the substituent group (s) is preferably one or more, sometimes preferably one to five, sometimes more preferably one to three, group (s) independently selected from the group consisting of selected from alkyl, alkenyl, alkynyl, alkoxy, alkylsulfo, alkylamino, halogen, thiol, hydroxy, nitro, cyano, cycloalkyl, heterocyclic alkyl, aryl, heteroaryl, cycloalkoxyl, heterocylic alkoxyl, cycloalkylthio and heterocylic alkylthio.
  • Alkynylene refers to an alkynyl defined as above that has at least two carbon atoms and at least one carbon-carbon triple bond, preferably C 2-20 alkynylene, more preferably C 2-12 alkynylene, and most preferably C 2-6 alkynylene.
  • alkenylene groups include, but are not limited to, -CH ⁇ CH-, -CH ⁇ CHCH 2 -, -CH ⁇ CHCH 2 CH 2 -, -CH 2 CH ⁇ CHCH 2 -etc.
  • the alkynylene group can be substituted or unsubstituted.
  • the substituent group (s) is preferably one or more, sometimes preferably one to five, sometimes more preferably one to three, group (s) independently selected from the group consisting of selected from alkyl, alkenyl, alkynyl, alkoxy, alkylsulfo, alkylamino, halogen, thiol, hydroxy, nitro, cyano, cycloalkyl, heterocyclic alkyl, aryl, heteroaryl, cycloalkoxyl, heterocylic alkoxyl, cycloalkylthio and heterocylic alkylthio.
  • Cycloalkyl refers to a saturated and/or partially unsaturated monocyclic or polycyclic hydrocarbon group having 3 to 20 carbon atoms, preferably 3 to 12 carbon atoms, more preferably 3 to 10 carbon atoms, and most preferably 3 to 8 carbon atoms or 3 to 6 carbon atoms.
  • Representative examples of monocyclic cycloalkyls include, but are not limited to, cyclopropyl, cyclobutyl, cyclopentyl, cyclopentenyl, cyclohexyl, cyclohexenyl, cyclohexadienyl, cycloheptyl, cycloheptatrienyl, cyclooctyl, etc.
  • Polycyclic cycloalkyl includes a cycloalkyl having a spiro ring, fused ring or bridged ring.
  • “Spiro Cycloalkyl” refers to a 5 to 20 membered polycyclic group with rings connected through one common carbon atom (called a spiro atom) , wherein one or more rings can contain one or more double bonds, but none of the rings has a completely conjugated pi-electron system.
  • a spiro cycloalkyl is 6 to 14 membered, more preferably 7 to 10 membered, and most preferably . 7 to 8 membered.
  • a spiro cycloalkyl is divided into mono-spiro cycloalkyl, di-spiro cycloalkyl, or poly-spiro cycloalkyl, and preferably refers to a mono-spiro cycloalkyl or di-spiro cycloalkyl, more preferably 4-membered/4-membered, 4-membered/5-membered, 4-membered/6-membered, 5-membered/5-membered, or 5-membered/6-membered mono-spiro cycloalkyl.
  • Representative examples of spiro cycloalkyl include, but are not limited to the following substituents:
  • “Fused Cycloalkyl” refers to a 5 to 20 membered polycyclic hydrocarbon group, wherein each ring in the system shares an adjacent pair of carbon atoms with another ring, wherein one or more rings can contain one or more double bonds, but none of the rings has a completely conjugated pi-electron system.
  • a fused cycloalkyl group is 6 to 14 membered, more preferably 7 to 10 membered, and most preferably . 7 to 8 membered.
  • fused cycloalkyl is divided into bicyclic, tricyclic, tetracyclic or polycyclic fused cycloalkyl, and preferably refers to a bicyclic or tricyclic fused cycloalkyl, more preferably 5-membered/5-membered, or 5-membered/6-membered bicyclic fused cycloalkyl.
  • fused cycloalkyls include, but are not limited to, the following substituents:
  • Bridged Cycloalkyl refers to a 5 to 20 membered polycyclic hydrocarbon group, wherein every two rings in the system share two disconnected carbon atoms. The rings can have one or more double bonds, but have no completely conjugated pi-electron system.
  • a bridged cycloalkyl is 6 to 14 membered, more preferably 7 to 10 membered, and most preferably 7 to 8 membered.
  • bridged cycloalkyl is divided into bicyclic, tricyclic, tetracyclic or polycyclic bridged cycloalkyl, and preferably refers to a bicyclic, tricyclic or tetracyclic bridged cycloalkyl, more preferably a bicyclic or tricyclic bridged cycloalkyl.
  • Representative examples of bridged cycloalkyls include, but are not limited to, the following substituents:
  • the cycloalkyl can be fused to the ring of an aryl, heteroaryl or heterocyclic alkyl, wherein the ring bound to the parent structure is cycloalkyl.
  • Representative examples include, but are not limited to indanylacetic, tetrahydronaphthalene, benzocycloheptyl and so on.
  • the cycloalkyl is optionally substituted or unsubstituted.
  • the substituent group (s) is preferably one or more, sometimes preferably one to five, sometimes more preferably one to three, substituents independently selected from the group consisting of alkyl, halogen, alkoxy, alkenyl, alkynyl, alkylsulfo, alkylamino, thiol, hydroxy, nitro, cyano, amino, cycloalkyl, heterocyclic alkyl, aryl, heteroaryl, cycloalkoxyl, heterocylic, cycloalkylthio, heterocylic alkylthio and oxo group.
  • substituents include, but are not limited to, the following substituents:
  • Heterocyclyl refers to a 3 to 20 membered saturated and/or partially unsaturated monocyclic or polycyclic hydrocarbon group having one or more, sometimes preferably one to five, sometimes more preferably one to three, heteroatoms selected from the group consisting of N, O, and S (O) m (wherein m is 0, 1, or 2) as ring atoms, but excluding -O-O-, -O-S-or -S-S-in the ring, the remaining ring atoms being C.
  • heterocyclyl is a 3 to 12 membered having 1 to 4 heteroatoms; more preferably a 3 to 10 membered having 1 to 3 heteroatoms; most preferably a 5 to 6 membered having 1 to 2 heteroatoms.
  • monocyclic heterocyclyls include, but are not limited to, pyrrolidyl, piperidyl, piperazinyl, morpholinyl, sulfo-morpholinyl, homopiperazinyl, and so on.
  • Polycyclic heterocyclyl includes the heterocyclyl having a spiro ring, fused ring or bridged ring.
  • “Spiro heterocyclyl” refers to a 5 to 20 membered polycyclic heterocyclyl with rings connected through one common carbon atom (called a spiro atom) , wherein said rings have one or more, sometimes preferably one to five, sometimes more preferably one to three, heteroatoms selected from the group consisting of N, O, and S (O) m (wherein m is 0, 1 or 2) as ring atoms, the remaining ring atoms being C, wherein one or more rings can contain one or more double bonds, but none of the rings has a completely conjugated pi-electron system.
  • a spiro heterocyclyl is 6 to 14 membered, more preferably 7 to 10 membered, and most preferably 7 to 8 membered.
  • spiro heterocyclyl is divided into mono-spiro heterocyclyl, di-spiro heterocyclyl, or poly-spiro heterocyclyl, and preferably refers to mono-spiro heterocyclyl or di-spiro heterocyclyl, more preferably 4-membered/4-membered, 4-membered/5-membered, 4-membered/6-membered, 5-membered/5-membered, or 5-membered/6-membered mono-spiro heterocyclyl.
  • Representative examples of spiro heterocyclyl include, but are not limited to the following substituents:
  • “Fused Heterocyclyl” refers to a 5 to 20 membered polycyclic heterocyclyl group, wherein each ring in the system shares an adjacent pair of carbon atoms with the other ring, wherein one or more rings can contain one or more double bonds, but none of the rings has a completely conjugated pi-electron system, and wherein said rings have one or more, sometimes preferably one to five, sometimes more preferably one to three, heteroatoms selected from the group consisting of N, O, and S (O) p (wherein p is 0, 1, or 2) as ring atoms, the remaining ring atoms being C.
  • a fused heterocyclyl is 6 to 14 membered, more preferably 7 to 10 membered, and most preferably 7 to 8 membered.
  • fused heterocyclyl is divided into bicyclic, tricyclic, tetracyclic or polycyclic fused heterocyclyl, preferably refers to bicyclic or tricyclic fused heterocyclyl, more preferably 5-membered/5-membered, or 5-membered/6-membered bicyclic fused heterocyclyl.
  • Representative examples of fused heterocyclyl include, but are not limited to, the following substituents:
  • “Bridged Heterocyclyl” refers to a 5 to 14 membered polycyclic heterocyclic alkyl group, wherein every two rings in the system share two disconnected atoms, the rings can have one or more double bonds, but have no completely conjugated pi-electron system, and the rings have one or more heteroatoms selected from the group consisting of N, O, and S (O) m (wherein m is 0, 1, or 2) as ring atoms, the remaining ring atoms being C.
  • a bridged heterocyclyl is 6 to 14 membered, more preferably 7 to 10 membered, and most preferably 7 to 8 membered.
  • bridged heterocyclyl is divided into bicyclic, tricyclic, tetracyclic or polycyclic bridged heterocyclyl, and preferably refers to bicyclic, tricyclic or tetracyclic bridged heterocyclyl, more preferably bicyclic or tricyclic bridged heterocyclyl.
  • Representative examples of bridged heterocyclyl include, but are not limited to, the following substituents:
  • the ring of said heterocyclyl can be fused to the ring of an aryl, heteroaryl or cycloalkyl, wherein the ring bound to the parent structure is heterocyclyl.
  • Representative examples include, but are not limited to the following substituents:
  • the heterocyclyl is optionally substituted or unsubstituted.
  • the substituent group (s) is preferably one or more, sometimes preferably one to five, sometimes more preferably one to three, group (s) independently selected from the group consisting of alkyl, alkenyl, alkynyl, alkoxy, alkylsulfo, alkylamino, halogen, thiol, hydroxy, nitro, cyano, cycloalkyl, heterocyclic alkyl, aryl, heteroaryl, cycloalkoxyl, heterocylic alkoxyl, cycloalkylthio, heterocylic and alkylthio.
  • Aryl refers to a 6 to 14 membered all-carbon monocyclic ring or a polycyclic fused ring (a "fused" ring system means that each ring in the system shares an adjacent pair of carbon atoms with another ring in the system) group, and has a completely conjugated pi-electron system.
  • aryl is 6 to 10 membered, such as phenyl and naphthyl, most preferably phenyl.
  • the aryl can be fused to the ring of heteroaryl, heterocyclyl or cycloalkyl, wherein the ring bound to parent structure is aryl. Representative examples include, but are not limited to, the following substituents:
  • the aryl group can be substituted or unsubstituted.
  • the substituent group (s) is preferably one or more, sometimes preferably one to five, sometimes more preferably one to three, substituents independently selected from the group consisting of alkyl, alkenyl, alkynyl, alkoxy, alkylsulfo, alkylamino, halogen, thiol, hydroxy, nitro, cyano, cycloalkyl, heterocyclic alkyl, aryl, heteroaryl, cycloalkoxyl, heterocylic alkoxyl, cycloalkylthio, heterocylic and alkylthio.
  • Heteroaryl refers to an aryl system having 1 to 4 heteroatoms selected from the group consisting of O, S and N as ring atoms and having 5 to 14 annular atoms.
  • a heteroaryl is 5-to 10-membered, more preferably 5-or 6-membered, for example, thiadiazolyl, pyrazolyl, oxazolyl, oxadiazolyl, imidazolyl, triazolyl, thiazolyl, furyl, thienyl, pyridyl, pyrrolyl, N-alkyl pyrrolyl, pyrimidinyl, pyrazinyl, imidazolyl, tetrazolyl, isoxazolyl and the like.
  • the heteroaryl can be fused with the ring of an aryl, heterocyclyl or cycloalkyl, wherein the ring bound to parent structure is heteroaryl. Representative examples include, but are not limited to, the following substituents
  • the heteroaryl group can be substituted or unsubstituted.
  • the substituent group (s) is preferably one or more, sometimes preferably one to five, sometimes more preferably one to three, substituents independently selected from the group consisting of alkyl, alkenyl, alkynyl, alkoxy, alkylsulfo, alkylamino, halogen, thiol, hydroxy, nitro, cyano, cycloalkyl, heterocyclic alkyl, aryl, heteroaryl, cycloalkoxyl, heterocylic alkoxyl, cycloalkylthio, heterocylic alkylthio.
  • Alkoxy refers to both an -O- (alkyl) and an -O- (unsubstituted cycloalkyl) group, wherein the alkyl is defined as above. Representative examples include, but are not limited to, methoxy, ethoxy, propoxy, butoxy, cyclopropyloxy, cyclobutyloxy, cyclopentyloxy, cyclohexyloxy, and the like. The alkoxyl can be substituted or unsubstituted.
  • the substituent is preferably one or more, sometimes preferably one to five, sometimes more preferably one to three, substituents independently selected from the group consisting of alkyl, alkenyl, alkynyl, alkoxy, alkylsulfo, alkylamino, halogen, thiol, hydroxy, nitro, cyano, cycloalkyl, heterocyclic alkyl, aryl, heteroaryl, cycloalkoxyl, heterocylic alkoxyl, cycloalkylthio and heterocylic alkylthio.
  • Haloalkoxy refers to an alkoxy group substituted by one or more halogen (s) , wherein the alkoxy is as defined above.
  • the hydrogen atom of the present invention can be substituted by its isotope deuterium. Any of the hydrogen atoms in the compounds of the examples of the present invention can also be substituted by deuterium atom.
  • “Bond” refers to a covalent bond using a sign of “-” .
  • Hydroalkyl refers to an alkyl group substituted by a hydroxy group, wherein alkyl is as defined above.
  • Haldroxyl or “hydroxy” refers to an -OH group.
  • Halogen or “halo” refers to fluoro, chloro, bromo or iodo atoms.
  • Amino refers to a -NH 2 group.
  • Cyano refers to a -CN group.
  • Niro refers to a -NO 2 group.
  • Carboxyl refers to a -C (O) OH group.
  • Alkoxycarbonyl refers to a -C (O) O (alkyl) or (cycloalkyl) group, wherein the alkyl and cycloalkyl are defined as above.
  • groups or substituents are “independently selected from” (and variants thereof) a list of choices, it is meant that the choice for any one of such groups or substituents does not determine the choice for any other one of such groups or substituents.
  • the term “A and B are independently selected from a and b” or “each of A and B is independently selected from a and b” is meant to encompass selections where A is a and B is a, A is b and B is b, A is a and B is b, and A is b and B is a.
  • heterocyclic group optionally substituted by an alkyl means that an alkyl group can be, but need not be, present, and the description includes the case of the heterocyclic group being substituted with an alkyl and the heterocyclic group being not substituted with an alkyl.
  • “Substituted” refers to one or more hydrogen a members in a group independently substituted with a corresponding number of substituents. In some embodiments, the number of such hydrogen members is up to 5. In other embodiemtns it si between 1 and 3. It goes without saying that the substituents exist in their only possible chemical position. The person skilled in the art is able to determine if the substitution is possible or impossible without paying excessive efforts by experiment or theory. For example, the combination of amino or hydroxyl group having free hydrogen and carbon atoms having unsaturated bonds (such as olefinic) may be unstable.
  • a “pharmaceutical composition” refers to a mixture of one or more of the compounds described in the present invention or physiologically/pharmaceutically acceptable salts or prodrugs thereof and other chemical components such as physiologically/pharmaceutically acceptable carriers and excipients.
  • the purpose of a pharmaceutical composition is to facilitate administration of a compound to an organism, which is conducive to the absorption of the active ingredient and thus displaying biological activity.
  • “Pharmaceutically acceptable salts” refer to salts of the compounds of the invention, such salts being safe and effective when used in a mammal and have corresponding biological activity.
  • each compound is identified by nuclear magnetic resonance (NMR) and/or mass spectrometry (MS) .
  • NMR chemical shifts ( ⁇ ) are given in 10 -6 (ppm) .
  • NMR is determined by Varian Mercury 300 MHz Bruker Avance III 400MHz machine.
  • the solvents used are deuterated-dimethyl sulfoxide (DMSO-d 6 ) , deuterated-chloroform (CDCl 3 ) and deuterated-methanol (CD 3 OD) .
  • HPLC High performance liquid chromatography
  • LCMS Liquid Chromatography Mass Spectrometry
  • the average rates of ATPase inhibition, and the IC 50 values are determined by Victor Nivo multimode plate reader (PerkinElmer, USA) .
  • the thin-layer silica gel plates used in thin-layer chromatography are Yantai Xinnuo silica gel plate.
  • the dimension of the plates used in TLC is 0.15 mm to 0.2 mm, and the dimension of the plates used in thin-layer chromatography for product purification was 0.4 mm to 0.5 mm.
  • the known starting material of the invention can be prepared by the conventional synthesis method in the prior art, or can be purchased from ABCR GmbH &Co. KG, Acros Organics, Aldrich Chemical Company, Accela ChemBio Inc or Dari chemical Company, etc.
  • argon atmosphere or “nitrogen atmosphere” means that a reaction flask is equipped with a balloon having 1 L of argon or nitrogen.
  • hydrogen atmosphere means that a reaction flask was equipped with a balloon having 1 L of hydrogen.
  • Step 6 Synthesis of tert-butyl 4-formyl-5, 7-dimethyl-1H-indole-1-carboxylate (A6)
  • Step 7 Synthesis of tert-butyl 4- (hydroxymethyl) -5, 7-dimethyl-1H-indole-1-carboxylate (A7)
  • Step 8 Synthesis of tert-butyl 4- (chloromethyl) -5, 7-dimethyl-1H-indole-1-carboxylate (A8)
  • Step 1 Synthesis of tert-butyl 4- (1-hydroxyethyl) -5-methoxy-7-methyl-1H-indole-1-carboxylate (A11)
  • the resulting light suspension was aged at -78 °C for 30 minutes and then warmed to 20 °C.
  • the resulting homogeneous solution was aged for 30 minutes at 20 °C, prior to addition of methyl 4-bromobenzoate (428 mg, 2.00 mmol) followed by Pd (OAc) 2 (135 mg 0.6 mmol) , and t Bu 3 P-HBF 4 (348 mg 1.2 mmol) in one portion.
  • the mixture, which precipitated zinc salts during the course of the reaction was aged overnight in a water bath at 20 °C.
  • the reaction mixture was quenched by water (5 mL) , concentrated and extracted by ethyl acetate (3 x 40 mL) .
  • Step 1 Synthesis of benzyl 2- (4- (methoxycarbonyl) phenyl) -4-methylenepiperidine-1-carboxylate (B14-i)
  • Step 2 Synthesis of benzyl 1, 1-dichloro-6- (4- (methoxycarbonyl) phenyl) -2-oxo-7-azaspiro [3.5] nonane-7-carboxylate (B14-ii)
  • Step 3 Synthesis of benzyl 6- (4- (methoxycarbonyl) phenyl) -2-oxo-7-azaspiro [3.5] nonane-7-carboxylate (B14)
  • Step 1 Synthesis of benzyl 2-hydroxy-6- (4- (methoxycarbonyl) phenyl) -7-azaspiro [3.5] nonane-7-carboxylate (B18)
  • i-PrMgCl ⁇ LiCl (6.9 mL, 9.0 mmol, 1.3 M in hexane) was cooled to 0 °C and a solution of 4-bromobenzonitrile (2.19 g, 12.0 mmol) in THF (6.9 mL) was added dropwise under nitrogen. The resulting solution was stirred at 0 °C for 2 h.
  • the resulting mixture was stirred at -78 °C for 10 min prior to the addition of the previously prepared organometallic nucleophile (13.8 mL, 9.02 mmol) in one portion, followed immediately by the addition of boron trifluoride etherate (1.02 g, 7.22 mmol) . Subsequently, the reaction vessel was taken out of the low temperature bath and stirred at room temperature for 2 h. The reaction mixture was then cooled to 0 °C and quenched by the addition of methanol (10 mL) . The mixture was diluted with 2M sodium hydroxide (50 mL) and extracted with ethyl acetate (3 x 100 mL) .
  • Step 2 Synthesis of ethyl 4- (3-azabicyclo [3.1.0] hexan-2-yl) benzoate (C2)
  • Step 1 Synthesis of tert-butyl 7-oxo-2-oxa-8-azaspiro [4.5] decane-8-carboxylate (C38-i)
  • Step 2 Synthesis of tert-butyl (2- (3- (2- (4-cyanophenyl) -2-oxoethyl) tetrahydrofuran-3-yl) ethyl) carbamate (C38-ii)
  • Step 1 Synthesis of benzyl (S) -2- (4- (methoxycarbonyl) phenyl) -4-methylenepiperidine-1-carboxylate (D1)
  • Step 2 Synthesis of benzyl (5S) -1, 1-difluoro-5- (4- (methoxycarbonyl) phenyl) -6-azaspiro [2.5] octane-6-carboxylate (D2)
  • Step 1 Synthesis of 4- (7- ( (benzyloxy) carbonyl) -1-oxa-7-azaspiro [3.5] nonan-6-yl) benzoic acid (D5)
  • Trimethylsulfoxonium iodide (12 g, 54.5 mmol) and t-BuOK (6.1 g, 54.5 mmol) were dissolved in THF (50 mL) and the misture stirred at 50 °C for 1 h. Then benzyl 2- (4- (methoxycarbonyl) phenyl) -4-oxopiperidine-1-carboxylate (5 g, 13.6 mmol) was added and stirred overnight. The mixture was evaporated and afford crude product D5 (7 g) .
  • Step 2 Synthesis of benzyl 6- (4- (methoxycarbonyl) phenyl) -1-oxa-7-azaspiro [3.5] nonane-7-carboxylate (D6)
  • Step 1 Synthesis of tert-butyl (2R, 3S) -3-hydroxy-2- (4- (methoxycarbonyl) phenyl) azetidine-1-carboxylate (E1)
  • Step 1 Synthesis of benzyl (3aR, 6aS) -5-methylenehexahydrocyclopenta [c] pyrrole-2 (1H) -carboxylate (E6-i)
  • the purified racemate of E10 (26 g, 88 mmol) was separated by SFC (Instrument: SFC-150 (Waters) ; Column: AD-H 4.6 x 100 mm, 5 ⁇ m (Daicel) ; Column temperature: 40 °C; Mobile phase: CO 2 /MeOH (0.2%Ammonia) ; Flow rate: 4 mL/min; Back pressure: 120 bar; Detection wavelength: 214 nm; Cycle time: 4.0 min; Injection volume: 5 ⁇ l to give the E10 isomer 1 (11 g, 42%yield) at retention time of 1.38 min as a colorless oil.
  • Step 2 Synthesis of methyl 4- (4- (difluoromethyl) pyridin-2-yl) benzoate (F2)
  • Step 3 Synthesis of methyl 4- (4- (difluoromethyl) piperidin-2-yl) benzoate (F3) and methyl 4- (4- (fluoromethyl) piperidin-2-yl) benzoate (F4)
  • Step 1 benzyl (S) -2, 2-difluoro-6- (4- (hydrazinecarbonyl) phenyl) -7-azaspiro [3.5] nonane-7-carboxylate
  • Step 2 benzyl (S) -2, 2-difluoro-6- (4- (5-oxo-4, 5-dihydro-1H-1, 2, 4-triazol-3-yl) phenyl) -7-azaspiro [3.5] nonane-7-carboxylate
  • Step 1 Synthesis of tert-butyl 2-oxo-8-azaspiro [4.5] decane-8-carboxylate (F17)
  • Step 1 Synthesis of tert-butyl 4- ( (2- (4- (ethoxycarbonyl) phenyl) -3-azabicyclo [3.1.0] hexan-3-yl) methyl) -5, 7-dimethyl-1H-indole-1-carboxylate (C3)
  • Step 2 Synthesis of 4- (3- ( (5, 7-dimethyl-1H-indol-4-yl) methyl) -3-azabicyclo [3.1.0] hexan-2-yl) benzoic acid (Example 1)
  • Example 1 4- (3- ( (5, 7-dimethyl-1H-indol-4-yl) methyl) -3-azabicyclo [3.1.0] hexan-2-yl) benzoic acid (11.9 mg, 23%) was obtained as a white solid.
  • LCMS (LCMS) (m/z) [M+H] + calc’d for C 23 H 25 N 2 O 2 , 361.2; found, 361.9.
  • Step 1 Synthesis of tert-butyl 4- ( (3- (4-cyanophenyl) -2-azabicyclo [2.2.1] heptan-2-yl) methyl) -5, 7-dimethyl-1H-indole-1-carboxylate (G2)
  • Step 2 Synthesis of 4- (2- ( (5, 7-dimethyl-1H-indol-4-yl) methyl) -2-azabicyclo [2.2.1] heptan-3-yl) benzoic acid (Example 11) and 4- (2- ( (5, 7-dimethyl-1H-indol-4-yl) methyl) -2-azabicyclo [2.2.1] heptan-3-yl) benzamide (Example 12)
  • the residue was purified by prep-HPLC (column: Waters TM XBridge 2.1 x 50 mm 3.5 ⁇ m; mobile phase A [water (0.05%trifluoroacetic acid v/v) ] and B [acetonitrile (0.05%trifluoroacetic acid) ] ; gradient B: 0-60%over 7 min) .
  • Example 11 4- (2- ( (5, 7-dimethyl-1H-indol-4-yl) methyl) -2-azabicyclo [2.2.1] heptan-3-yl) benzoic acid (5 mg) was obtained as a white solid.
  • LCMS (m/z) [M+H] + calc’d for C 24 H 27 N 2 O 2 , 375.2; found, 374.9.
  • Isomer 1 and Isomer 2 were purified on a CHIRALPAK OJ-H column.
  • the retention time of Isomer 1 is 3.64 min.
  • the retention time of Isomer 2 is 4.51 min.
  • Example 12 4- (2- ( (5, 7-dimethyl-1H-indol-4-yl) methyl) -2-azabicyclo [2.2.1] heptan-3-yl) benzamiwas obtained as a white solid.
  • LCMS (m/z) [M+H] + calc’d for C 24 H 28 N 3 O, 374.5; found, 373.8.
  • Step 1 Synthesis of tert-butyl 4- ( (1- (4- (ethoxycarbonyl) phenyl) hexahydrocyclopenta [c] pyrrol-2 (1H) -yl) methyl) -5-methoxy-7-methyl-1H-indole-1-carboxylate (H1)
  • Step 2 Synthesis of 4- (2- ( (5-methoxy-7-methyl-1H-indol-4-yl) methyl) octahydrocyclopenta [c] pyrrol-1-yl) benzoic acid (Example 13)
  • Example 13 4- (2- ( (5-methoxy-7-methyl-1H-indol-4-yl) methyl) octahydrocyclopenta [c] pyrrol-1-yl) benzoic acid (34 mg, 65%) was obtained as a white solid.
  • LCMS (m/z) [M+H] + calc’d for C 25 H 29 N 2 O 3 , 405.2; found, 405.5.
  • the two isomers of Example 13 were separated by chiral-SFC on a CHIRALPAK OJ-H 250 x 20 mm, 5 ⁇ m column.
  • the retention time of Isomer 1 is 3.64 min.
  • the retention time of Isomer 2 is 4.51 min.
  • Step 1 Synthesis of 1- (4-bromophenyl) -N- (trimethylsilyl) methanimine (I1)
  • Step 3 Synthesis of tert-butyl 4- ( (1- (4-bromophenyl) -3-oxo-2-azaspiro [3.5] nonan-2-yl) methyl) -5, 7-dimethyl-1H-indole-1-carboxylate (I3)
  • Step 4 Synthesis of tert-butyl 4- ( (1- (4-bromophenyl) -2-azaspiro [3.5] nonan-2-yl) methyl) -5, 7-dimethyl-1H-indole-1-carboxylate (I4)
  • Step 5 Synthesis of tert-butyl 4- ( (1- (4- (butoxycarbonyl) phenyl) -2-azaspiro [3.5] nonan-2-yl) methyl) -5, 7-dimethyl-1H-indole-1-carboxylate (I5)
  • Step 6 Synthesis of 4- (2- ( (5, 7-dimethyl-1H-indol-4-yl) methyl) -2-azaspiro [3.5] nonan-1-yl) benzoic acid (Example 16)
  • the crude residue was purified by prep-HPLC (column: Waters TM XBridge 2.1 x 50 mm 3.5 ⁇ m; mobile phase A [water (0.05%trifluoroacetic acid v/v) ] and B [acetonitrile (0.05%trifluoroacetic acid) ] ; gradient B: 0-60%over 7 min) .
  • Example 16 4- (2- ( (5, 7-dimethyl-1H-indol-4-yl) methyl) -2-azaspiro [3.5] nonan-1-yl) benzoic acid (50 mg, 69%) was obtained as a white solid.
  • LCMS (m/z) [M+H] + calc’d for C 26 H 31 N 2 O 2 , 403.2; found, 403.0.
  • Isomer 1 and Isomer 2 were purified on a CHIRALPAK AD-H column.
  • the retention time of Isomer 1 is 4.03 min.
  • the retention time of Isomer 2 is 6.22 min.
  • the resulting mixture was stirred at –78 °C for 60 min, followed by the addition of the organometallic nucleophile reagent (prepared in front) in one portion, followed immediately by the addition of Boron trifluoride etherate (0.99 ml, 7 mmol) . Subsequently, the reaction vessel was taken out of the low temperature bath and stirred at room temperature for 2 h. The reaction mixture was then cooled to 0 °C and quenched by the addition of methanol (2 mL) . The reaction was diluted with 2M sodium hydroxide solution (50 mL) , extracted with ethyl acetate (50 mL x 3) . The combined organic layers were washed with brine.
  • Step 3 Synthesis of tert-butyl 4- ( (1- (4-cyanophenyl) -5- (difluoromethyl) hexahydrocyclopenta [c] pyrrol-2 (1H) -yl) methyl) -5-methoxy-7-methyl-1H-indole-1-carboxylate (E13)
  • Step 4 Synthesis of 4- (5- (difluoromethyl) -2- ( (5-methoxy-7-methyl-1H-indol-4-yl) methyl) octahydrocyclopenta [c] pyrrol-1-yl) benzoic acid (Example 39)
  • Example 39 4- (5- (difluoromethyl) -2- ( (5-methoxy-7-methyl-1H-indol-4-yl) methyl) octahydrocyclopenta [c] pyrrol-1-yl) benzoic acid (370 mg, 93%yield) was obtained as a white solid.
  • LCMS (m/z) [M+H] + calc’d for C 26 H 29 F 2 N 2 O 3 , 455.2; found, 455.1.
  • Isomers of Example 39 were separated by SFC from a solution of 370 mg of material dissolved in 50 mL MeOH. Isomer 1 and Isomer 2 were purified on a OZ 20*250mm, 10um (Daicel) .
  • the mobile phase CO2/MeOH [0.2%NH3 (7M in MeOH) ] 55/45 at a flow rate of 100 g/min with back pressure 100 barand a column temperature of 35 °C, cycle time 4 min., injection volume 2 mL, and detection wavelength 214 nm.
  • the retention time of Isomer 1 is 1.69 min and Isomer 2 is 2.8 min.
  • Example 43-77 were prepared as follows:
  • Recombinant human Factor B catalytic domian (a. a. 470-764, C-terminal his-tagged, produced in-house)
  • TR-FRET fluorescence resonance energy transfer
  • the TR-FRET signal was read on a plate reader with an excitation wavelength of 340 nm and detection wavelengths of 615 and 665 nm. Binding affinity was determined for each compound by measuring TR-FRET signal at various concentrations of compound and plotting the relative fluorescence Emission Ratio (665 nm/615 nm) against the inhibitor concentration to estimate the IC 50 from [Compound] vs Emission Ratio using the four parameters dose-response inhibition curve with a variable slope model in GraphPad Prism.
  • Recombinant human Factor B catalytic domain (a. a. 470-764, C-terminal his-tagged, produced in-house)
  • Biacore 8k instrument was primed using 1X PBS-P+ buffer before docking a Cytiva NTA chip.
  • Recombinant human Factor B catalytic domain were immobilized on a NTA chip to a level of about 5000 resonance units (RU) using 1X PBS-P+ buffer [20 mM phosphate buffer with 2.7 mM KCl, 137 mM NaCl, and 0.05% (v/v) Tween-20] .
  • the protein ligand was further crosslinked to sensorchip surface by amine coupling kit. Immobilization and binding experiment were performed at room temperature.
  • a pre-run was performed for a period of at least 30 min at a flow rate of 30 ⁇ l/min to obtain a stable surface.
  • the kinetic constants of the compounds were determined by single-cycle kinetics with six consecutive injections (or multi-cycle kinetics with eight consecutive injections) with an increasing compound concentration in ranges of 0.8–200 nM, 12.5–400 nM, 4.1–1,000 nM or 41–10,000 nM depending on the potency.
  • Three-month-old brown Norway rats were administered the Example compound via oral gavage as a suspension in 2 equiv 1 N HCl+30%PEG300+50% (20%Cremophor EL in water) .
  • Ocular tissues from both eyes and plasma were collected from rats per time point at 0.25, 0.5, 1, 6, and 24 h after administration.
  • the ocular tissues collected were the retina and the posterior eye cup (RPE/choroid and posterior sclera) .
  • the tissues were diluted with phosphate buffered saline containing 10%acetonitrile and homogenized, centrifuged prior to analyses.
  • the concentrations of the test article were measured in plasma and supernatants of ocular homogenates by HPLC–MS/MS in four individual retinas, four individual posterior eye cups, and two individual plasma samples at each time point. Chromatographic separation was carried out on Waters BEH C18 Column (2.1 ⁇ 50 mm, 1.7 ⁇ m) column (MAC-MOD Analytical, Chadds Ford, PA) , using a gradient elution method with water and acetonitrile, both containing 0.025%formic acid –1mM NH 4 OAc.
  • Mass spectrometric measurements in positive electrospray ionization were directed at quantifying the mass transition with [M + H] + as the precursor ion on API6500, triple quadruple mass spectrometer (Sciex, Framingham, MA) .
  • the relevant pharmacokinetic parameters were estimated using noncompartmental methods using WinNonlin (Enterprise, version 8.2) .
  • mice Female C57BL/6 mice were administered with Example 57 formulation (20mg/kg in 0.5% (w/v) methyl cellulose, 0.5% (v/v) Tween 80) by oral gavage 20 h before the end of study.
  • Example 57 formulation (20mg/kg in 0.5% (w/v) methyl cellulose, 0.5% (v/v) Tween 80) was administered by oral gavage 20 h before the end of study.
  • lipopolysaccharide (LPS) from Salmonella typhimurium (Sigma) was injected i.p. (2.5 mg/kg) 7.5 h prior to the end of the study.
  • Control mice were given i.p. injection of saline solution and dosed with vehicle by oral gavage. Plasma samples were collected from mice at the end of the study.
  • AP complement activation was assessed by measuring plasma C3 cleavage products C3b/iC3b/C3c with ELISA using rat anti-mouse C3b/iC3b/C3c monoclonal antibody (clone 2/11, Hycult biotech, 0.1ug/well) and goat anti-Rat IgG (whole molecule) -Peroxidase (Sigma) diluted in TBST (TBS/0.05%Tween20) .
  • the plasma C3b/iC3b/C3c are shown in the following table 4.
  • Example 57 shows sustained inhibition in mouse in-vivo PD assay at 20 h. (*: p ⁇ 0.05; **: p ⁇ 0.01; ****: p ⁇ 0.0001; ns: no significant difference)
  • 96-well microtiter plates (Black Maxisorp, Invitrogen) are coated with 3 ⁇ g/ml LPS from strain Salmonella enteritidis for the alternative complement pathway (AP) ELISA (TLRGRADE, Enzo Life Sciences, in PBS/10mM MgCl2) overnight at 4 °C.
  • the coated plates were washed with GVB buffer (Complement tech) containing 5 mM MgCl2 and 10 mM EGTA (classical and lectin pathways are blocked) .
  • Collected serum samples were diluted by addition of an equal volume of GVB buffer containing 10mM MgCl2 and 20mM EGTA.
  • mAb 2A1 HM3033-IA, Hycult Biotech, 0.1ug/well
  • goat anti-mouse IgG Fc specific -Peroxidase
  • Rats (3 rats/group) were orally given compound Iptacopan or Example 57 (2 mg/kg) , and then AP deposition inhibitory activity in 50%serum of compounds were assessed after 0.25, 0.5, 1, 2, 4, 6, 8, and 24 h of dosing. Each data point represents an average of AP activity in the rat serum in figure 1. The results show that Example 57 shows sustained inhibition in rat ex-vivo PD assay at 24 h.

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CN202280071960.XA CN118510765A (zh) 2021-10-27 2022-10-27 哌啶基吲哚衍生物、其制备方法和医药用途
JP2024524744A JP2024541929A (ja) 2021-10-27 2022-10-27 ピペリジニルインドール誘導体、その製造方法と医薬的用途
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WO2025008453A1 (en) 2023-07-04 2025-01-09 Sitala Bio Ltd 2-(1h-indol-4-yl)methyl)-isoindoline derivatives as factor b inhibitors
WO2025021158A1 (zh) * 2023-07-26 2025-01-30 上海美悦生物科技发展有限公司 螺环烯基类或氮杂烯基类化合物及其药物组合物、制备方法和用途
WO2025140363A1 (zh) * 2023-12-27 2025-07-03 海思科医药集团股份有限公司 一种苯基哌啶衍生物的制备方法
WO2025148628A1 (zh) * 2024-01-10 2025-07-17 河北以岭医药研究院有限公司 哌啶基吲哚衍生物及其制备方法和应用
WO2025172535A1 (en) 2024-02-15 2025-08-21 Sitala Bio Ltd Indole and benzimidazole compounds as factor b inhibitors
WO2025185736A1 (zh) * 2024-03-08 2025-09-12 江苏豪森药业集团有限公司 一种多元螺环化合物的晶型、其制备方法和医药用途
WO2025185734A1 (zh) * 2024-03-08 2025-09-12 江苏豪森药业集团有限公司 一种多元螺环化合物的盐及其晶型、其制备方法和医药用途
WO2025252133A1 (zh) * 2024-06-07 2025-12-11 润尔眼科药物（广州）有限公司 一种含吲哚基团的化合物及其用途
WO2025256600A1 (zh) * 2024-06-12 2025-12-18 润尔眼科药物（广州）有限公司 一种杂环化合物及其用途
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EP4389742A4 (en) * 2021-08-18 2026-01-14 Xizang Haisco Pharmaceutical Co Ltd HETEROAROMATIC CYCLE DERIVATIVE CONTAINING BENZO NITROGEN AND ITS USE IN MEDICINE
EP4469157A1 (en) * 2022-01-24 2024-12-04 Novartis AG Spirocyclic piperidinyl derivatives as complement factor b inhibitors and uses thereof
WO2023237012A1 (zh) * 2022-06-07 2023-12-14 正大天晴药业集团股份有限公司 双环取代的芳香羧酸类氘代化合物
WO2023246677A1 (zh) * 2022-06-20 2023-12-28 深圳信立泰药业股份有限公司 一种吲哚-苯基哌啶化合物及其制备方法与应用
WO2024049977A1 (en) * 2022-08-31 2024-03-07 Chinook Therapeutics, Inc. Substituted indole compounds and methods of use thereof
WO2024104292A1 (en) * 2022-11-14 2024-05-23 Novartis Pharma Ag Solid forms of complement factor b inhibitors
WO2024222852A1 (zh) * 2023-04-27 2024-10-31 上海翰森生物医药科技有限公司 一种哌啶基吲哚化合物的盐及其制备方法
WO2025008451A1 (en) 2023-07-04 2025-01-09 Sitala Bio Ltd 2-(1h-indol-4-yl)methyl)2h-indazole derivatives as factor b inhibitors
WO2025008453A1 (en) 2023-07-04 2025-01-09 Sitala Bio Ltd 2-(1h-indol-4-yl)methyl)-isoindoline derivatives as factor b inhibitors
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TWI896250B (zh) * 2023-07-26 2025-09-01 大陸商上海美悦生物科技發展有限公司 螺環烯基類或氮雜烯基類化合物及其藥物組合物、製備方法和用途
WO2025021158A1 (zh) * 2023-07-26 2025-01-30 上海美悦生物科技发展有限公司 螺环烯基类或氮杂烯基类化合物及其药物组合物、制备方法和用途
WO2025140363A1 (zh) * 2023-12-27 2025-07-03 海思科医药集团股份有限公司 一种苯基哌啶衍生物的制备方法
WO2025148628A1 (zh) * 2024-01-10 2025-07-17 河北以岭医药研究院有限公司 哌啶基吲哚衍生物及其制备方法和应用
WO2025172535A1 (en) 2024-02-15 2025-08-21 Sitala Bio Ltd Indole and benzimidazole compounds as factor b inhibitors
WO2025185736A1 (zh) * 2024-03-08 2025-09-12 江苏豪森药业集团有限公司 一种多元螺环化合物的晶型、其制备方法和医药用途
WO2025185734A1 (zh) * 2024-03-08 2025-09-12 江苏豪森药业集团有限公司 一种多元螺环化合物的盐及其晶型、其制备方法和医药用途
WO2025252133A1 (zh) * 2024-06-07 2025-12-11 润尔眼科药物（广州）有限公司 一种含吲哚基团的化合物及其用途
WO2025256600A1 (zh) * 2024-06-12 2025-12-18 润尔眼科药物（广州）有限公司 一种杂环化合物及其用途
US12617774B2 (en) 2025-05-30 2026-05-05 Novartis Ag Substituted indole compounds and methods of use thereof

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