IN2012DN00605A - - Google Patents
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- Publication number
- IN2012DN00605A IN2012DN00605A IN605DEN2012A IN2012DN00605A IN 2012DN00605 A IN2012DN00605 A IN 2012DN00605A IN 605DEN2012 A IN605DEN2012 A IN 605DEN2012A IN 2012DN00605 A IN2012DN00605 A IN 2012DN00605A
- Authority
- IN
- India
- Prior art keywords
- 4alkyl
- hydrogen
- taken together
- dioxolane
- alkyl
- Prior art date
Links
- 229910052739 hydrogen Inorganic materials 0.000 abstract 4
- 239000001257 hydrogen Substances 0.000 abstract 4
- 125000004178 (C1-C4) alkyl group Chemical group 0.000 abstract 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 3
- WNXJIVFYUVYPPR-UHFFFAOYSA-N 1,3-dioxolane Chemical compound C1COCO1 WNXJIVFYUVYPPR-UHFFFAOYSA-N 0.000 abstract 2
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 abstract 2
- 101100173726 Arabidopsis thaliana OR23 gene Proteins 0.000 abstract 1
- 125000002252 acyl group Chemical group 0.000 abstract 1
- 125000005036 alkoxyphenyl group Chemical group 0.000 abstract 1
- 125000000217 alkyl group Chemical group 0.000 abstract 1
- 125000005037 alkyl phenyl group Chemical group 0.000 abstract 1
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 abstract 1
- 125000000051 benzyloxy group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])O* 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 abstract 1
- 150000002431 hydrogen Chemical class 0.000 abstract 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
- C07F7/02—Silicon compounds
- C07F7/08—Compounds having one or more C—Si linkages
- C07F7/0803—Compounds with Si-C or Si-Si linkages
- C07F7/0825—Preparations of compounds not comprising Si-Si or Si-cyano linkages
- C07F7/083—Syntheses without formation of a Si-C bond
-
- 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
-
- 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
- A61P31/20—Antivirals for DNA viruses
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D473/00—Heterocyclic compounds containing purine ring systems
- C07D473/02—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6
- C07D473/18—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 one oxygen and one nitrogen atom, e.g. guanine
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
- C07F7/02—Silicon compounds
- C07F7/08—Compounds having one or more C—Si linkages
- C07F7/0803—Compounds with Si-C or Si-Si linkages
- C07F7/081—Compounds with Si-C or Si-Si linkages comprising at least one atom selected from the elements N, O, halogen, S, Se or Te
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
- C07F7/02—Silicon compounds
- C07F7/08—Compounds having one or more C—Si linkages
- C07F7/0803—Compounds with Si-C or Si-Si linkages
- C07F7/081—Compounds with Si-C or Si-Si linkages comprising at least one atom selected from the elements N, O, halogen, S, Se or Te
- C07F7/0812—Compounds with Si-C or Si-Si linkages comprising at least one atom selected from the elements N, O, halogen, S, Se or Te comprising a heterocyclic ring
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
- C07F7/02—Silicon compounds
- C07F7/08—Compounds having one or more C—Si linkages
- C07F7/0803—Compounds with Si-C or Si-Si linkages
- C07F7/081—Compounds with Si-C or Si-Si linkages comprising at least one atom selected from the elements N, O, halogen, S, Se or Te
- C07F7/0812—Compounds with Si-C or Si-Si linkages comprising at least one atom selected from the elements N, O, halogen, S, Se or Te comprising a heterocyclic ring
- C07F7/0814—Compounds with Si-C or Si-Si linkages comprising at least one atom selected from the elements N, O, halogen, S, Se or Te comprising a heterocyclic ring said ring is substituted at a C ring atom by Si
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
- C07F7/02—Silicon compounds
- C07F7/08—Compounds having one or more C—Si linkages
- C07F7/0803—Compounds with Si-C or Si-Si linkages
- C07F7/0825—Preparations of compounds not comprising Si-Si or Si-cyano linkages
- C07F7/0827—Syntheses with formation of a Si-C bond
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
- C07F7/02—Silicon compounds
- C07F7/08—Compounds having one or more C—Si linkages
- C07F7/18—Compounds having one or more C—Si linkages as well as one or more C—O—Si linkages
- C07F7/1804—Compounds having Si-O-C linkages
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- Communicable Diseases (AREA)
- Oncology (AREA)
- Veterinary Medicine (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Pharmacology & Pharmacy (AREA)
- Virology (AREA)
- Engineering & Computer Science (AREA)
- Biotechnology (AREA)
- Molecular Biology (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
- Epoxy Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Plural Heterocyclic Compounds (AREA)
Abstract
A compound of formula: or a salt thereof wherein: Ra is alkyl, phenyl, C1 to C6 alkylphenyl, or C1 to C6 alkoxyphenyl; Rb is C1 to C6 alkyl; R20 is hydrogen or benzyl; X is C1, I, or benzyloxy; Ry and Rz are taken together to form, methylene (=CH2), or Ry is OR23, and Rz is -CH2OR24, wherein R23 and R24 are each hydrogen or are taken together to form a ting to define a dioxolane, said dioxolane being optionally substituted with -O(C1-4alkyl) or-O(C=O)( C1-4alkyl); and R25 and R26 are both hydrogen, or one of R23 and R26 is hydrogen and the other is acyl; or R25 and R26are taken together to form =CH(OC1-4alkyl) or =CH(OC(=O)C1-4alkyl).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US43254902P | 2002-12-11 | 2002-12-11 | |
PCT/US2003/039554 WO2004052310A2 (en) | 2002-12-11 | 2003-12-10 | Process and intermediates for synthesis entecavir |
Publications (1)
Publication Number | Publication Date |
---|---|
IN2012DN00605A true IN2012DN00605A (en) | 2015-06-12 |
Family
ID=32507962
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IN604DEN2012 IN2012DN00604A (en) | 2002-12-11 | 2003-12-10 | |
IN605DEN2012 IN2012DN00605A (en) | 2002-12-11 | 2003-12-10 | |
IN606DEN2012 IN2012DN00606A (en) | 2002-12-11 | 2003-12-10 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IN604DEN2012 IN2012DN00604A (en) | 2002-12-11 | 2003-12-10 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IN606DEN2012 IN2012DN00606A (en) | 2002-12-11 | 2003-12-10 |
Country Status (18)
Country | Link |
---|---|
US (3) | US7034152B2 (en) |
EP (2) | EP2433941A1 (en) |
JP (2) | JP4726491B2 (en) |
KR (2) | KR101096830B1 (en) |
CN (6) | CN101899063B (en) |
AU (1) | AU2003300884B2 (en) |
BR (2) | BRPI0317255B8 (en) |
CA (2) | CA2735485A1 (en) |
DK (1) | DK1644384T3 (en) |
ES (1) | ES2397104T3 (en) |
IL (1) | IL168691A (en) |
IN (3) | IN2012DN00604A (en) |
MX (1) | MXPA05005971A (en) |
PL (2) | PL397715A1 (en) |
PT (1) | PT1644384E (en) |
SI (1) | SI1644384T1 (en) |
TW (1) | TWI327568B (en) |
WO (1) | WO2004052310A2 (en) |
Families Citing this family (62)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE60313173T2 (en) * | 2002-06-27 | 2008-01-03 | F. Hoffmann-La Roche Ag | SYNTHESIS OF PURIN DERIVATIVES |
IN2012DN00604A (en) * | 2002-12-11 | 2015-08-21 | Bristol Myers Squibb Co | |
US7511139B2 (en) * | 2004-06-04 | 2009-03-31 | Bristol-Myers Squibb Company | Process for the preparation of entecavir and novel intermediates thereof via carbon-silicon oxidation |
TW200540175A (en) * | 2004-06-04 | 2005-12-16 | Bristol Myers Squibb Co | Process for the preparation of entecavir and novel intermediates thereof via carbon-silicon oxidation |
CN100379736C (en) * | 2005-05-13 | 2008-04-09 | 上海仲夏化学有限公司 | Preparation process of entecavir |
CN1699366A (en) * | 2005-06-03 | 2005-11-23 | 北京市典范科技有限责任公司 | Purine derivatives |
US20070060599A1 (en) * | 2005-09-09 | 2007-03-15 | Dimarco John D | Crystalline forms of [1S-(1alpha, 3alpha, 4beta)]-2-amino-1,9-dihydro-9-[4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl]-6H-purin-6-one |
CN101838270B (en) * | 2006-08-24 | 2012-04-18 | 江苏正大天晴药业股份有限公司 | Entecavir intermediate and preparation |
CN101838207B (en) * | 2006-08-24 | 2012-04-25 | 江苏正大天晴药业股份有限公司 | Entecavir intermediate and synthesis method thereof |
CN101863842B (en) * | 2006-08-24 | 2012-02-01 | 江苏正大天晴药业股份有限公司 | Entecavir midbodies and synthesis method |
CN101130542B (en) * | 2006-08-24 | 2010-08-04 | 江苏正大天晴药业股份有限公司 | Synthesis method of antiviral nucleoside analogue |
US8299152B2 (en) * | 2006-10-30 | 2012-10-30 | Pirelli Tyre S.P.A. | Tire for vehicle wheels comprising crosslinked elastomeric composition |
CN101371841A (en) * | 2007-08-23 | 2009-02-25 | 浙江医药股份有限公司新昌制药厂 | Crystallization type Entecavir formulation as well as preparation method and use thereof |
CN101245068A (en) | 2007-02-14 | 2008-08-20 | 浙江医药股份有限公司新昌制药厂 | Crystallization type entecavir, method of producing the same, pharmaceutical composition and uses thereof |
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CN101723945B (en) * | 2008-10-17 | 2011-11-02 | 上海清松制药有限公司 | Method for preparing antiviral medicinal entecavir intermediate |
KR101150254B1 (en) * | 2008-12-26 | 2012-06-12 | 한미사이언스 주식회사 | Process for preparing entecavir and intermediates used therein |
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KR101640503B1 (en) | 2015-04-15 | 2016-07-18 | 동방에프티엘(주) | Improved process for the preparation of entecavir Monohydrate |
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WO2019080686A1 (en) * | 2017-10-26 | 2019-05-02 | 广州市朗启医药科技有限责任公司 | Entecavir intermediate and synthesis method therefor, and method for synthesizing entecavir |
CN109232637B (en) * | 2018-10-29 | 2020-11-24 | 常州博海威医药科技股份有限公司 | Preparation method of entecavir intermediate |
CN109593090A (en) * | 2019-01-25 | 2019-04-09 | 连云港贵科药业有限公司 | A kind of synthetic method of Entecavir |
CN113831341A (en) * | 2020-06-08 | 2021-12-24 | 连云港润众制药有限公司 | Preparation method of entecavir |
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US6127159A (en) * | 1997-06-06 | 2000-10-03 | The Board Of Trustees Of The Leland Stanford Junior University | Mitofusin genes and their uses |
AU2001229775A1 (en) * | 2000-02-29 | 2001-09-12 | Bristol-Myers Squibb Company | Low dose entecavir formulation and use |
CA2311734C (en) * | 2000-04-12 | 2011-03-08 | Bristol-Myers Squibb Company | Flash-melt oral dosage formulation |
ES2319732T3 (en) * | 2000-04-13 | 2009-05-12 | Pharmasset, Inc. | DERIVATIVES OF NUCLEOSIDE 3'- OR 2'-HYDROXIMETHYL REPLACED FOR THE TREATMENT OF VIRAL INFECTIONS. |
IN2012DN00604A (en) * | 2002-12-11 | 2015-08-21 | Bristol Myers Squibb Co | |
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