IL157478A0 - Method for the synthesis of 2', 3'-didehydronucleosides - Google Patents

Method for the synthesis of 2', 3'-didehydronucleosides

Info

Publication number
IL157478A0
IL157478A0 IL15747802A IL15747802A IL157478A0 IL 157478 A0 IL157478 A0 IL 157478A0 IL 15747802 A IL15747802 A IL 15747802A IL 15747802 A IL15747802 A IL 15747802A IL 157478 A0 IL157478 A0 IL 157478A0
Authority
IL
Israel
Prior art keywords
didehydronucleosides
synthesis
Prior art date
Application number
IL15747802A
Other languages
English (en)
Original Assignee
Pharmasset Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pharmasset Ltd filed Critical Pharmasset Ltd
Publication of IL157478A0 publication Critical patent/IL157478A0/xx

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07HSUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H19/00Compounds containing a hetero ring sharing one ring hetero atom with a saccharide radical; Nucleosides; Mononucleotides; Anhydro-derivatives thereof
    • C07H19/02Compounds containing a hetero ring sharing one ring hetero atom with a saccharide radical; Nucleosides; Mononucleotides; Anhydro-derivatives thereof sharing nitrogen
    • C07H19/04Heterocyclic radicals containing only nitrogen atoms as ring hetero atom
    • C07H19/06Pyrimidine radicals
    • C07H19/067Pyrimidine radicals with ribosyl as the saccharide radical
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07HSUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H19/00Compounds containing a hetero ring sharing one ring hetero atom with a saccharide radical; Nucleosides; Mononucleotides; Anhydro-derivatives thereof
    • C07H19/02Compounds containing a hetero ring sharing one ring hetero atom with a saccharide radical; Nucleosides; Mononucleotides; Anhydro-derivatives thereof sharing nitrogen
    • C07H19/04Heterocyclic radicals containing only nitrogen atoms as ring hetero atom
    • C07H19/06Pyrimidine radicals
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P31/00Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
    • A61P31/10Antimycotics
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P31/00Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
    • A61P31/12Antivirals
    • A61P31/14Antivirals for RNA viruses
    • A61P31/18Antivirals for RNA viruses for HIV
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07HSUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H19/00Compounds containing a hetero ring sharing one ring hetero atom with a saccharide radical; Nucleosides; Mononucleotides; Anhydro-derivatives thereof
    • C07H19/02Compounds containing a hetero ring sharing one ring hetero atom with a saccharide radical; Nucleosides; Mononucleotides; Anhydro-derivatives thereof sharing nitrogen
    • C07H19/04Heterocyclic radicals containing only nitrogen atoms as ring hetero atom
    • C07H19/16Purine radicals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Genetics & Genomics (AREA)
  • Engineering & Computer Science (AREA)
  • Biotechnology (AREA)
  • Biochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Communicable Diseases (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • General Chemical & Material Sciences (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Medicinal Chemistry (AREA)
  • Oncology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Virology (AREA)
  • Tropical Medicine & Parasitology (AREA)
  • AIDS & HIV (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Saccharide Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
IL15747802A 2001-03-01 2002-03-01 Method for the synthesis of 2', 3'-didehydronucleosides IL157478A0 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US27243401P 2001-03-01 2001-03-01
US27244101P 2001-03-01 2001-03-01
PCT/US2002/006460 WO2002070533A2 (en) 2001-03-01 2002-03-01 Method for the synthesis of 2',3'-dideoxy-2',3'-didehydronucleosides

Publications (1)

Publication Number Publication Date
IL157478A0 true IL157478A0 (en) 2004-03-28

Family

ID=26955519

Family Applications (1)

Application Number Title Priority Date Filing Date
IL15747802A IL157478A0 (en) 2001-03-01 2002-03-01 Method for the synthesis of 2', 3'-didehydronucleosides

Country Status (13)

Country Link
US (2) US6927291B2 (de)
EP (1) EP1363927A2 (de)
JP (1) JP2004527504A (de)
KR (1) KR20030092006A (de)
CN (1) CN1505635A (de)
AU (1) AU2002255654B2 (de)
BR (1) BR0207746A (de)
CA (1) CA2439836A1 (de)
IL (1) IL157478A0 (de)
MX (1) MXPA03007853A (de)
NZ (1) NZ540956A (de)
RU (1) RU2003129164A (de)
WO (1) WO2002070533A2 (de)

Families Citing this family (65)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003532643A (ja) 2000-04-13 2003-11-05 フアーマセツト・リミテツド 肝炎ウイルス感染症を治療するための3’−または2’−ヒドロキシメチル置換ヌクレオシド誘導体
MY164523A (en) 2000-05-23 2017-12-29 Univ Degli Studi Cagliari Methods and compositions for treating hepatitis c virus
NZ547204A (en) 2000-05-26 2008-01-31 Idenix Cayman Ltd Methods and compositions for treating flaviviruses and pestiviruses
US7608600B2 (en) * 2002-06-28 2009-10-27 Idenix Pharmaceuticals, Inc. Modified 2′ and 3′-nucleoside prodrugs for treating Flaviviridae infections
US7456155B2 (en) * 2002-06-28 2008-11-25 Idenix Pharmaceuticals, Inc. 2′-C-methyl-3′-O-L-valine ester ribofuranosyl cytidine for treatment of flaviviridae infections
BR0313164A (pt) 2002-08-01 2007-07-17 Pharmasset Inc compostos com o sistema biciclo[4.2.1] nonano para o tratamento de infecções por flaviviridae
HUE033832T2 (en) 2002-11-15 2018-01-29 Idenix Pharmaceuticals Llc 2'-methyl nucleosides in combination with interferon and Flaviviridae mutation
PL3521297T3 (pl) 2003-05-30 2022-04-04 Gilead Pharmasset Llc Zmodyfikowane fluorowane analogi nukleozydów
CA2634749C (en) 2005-12-23 2014-08-19 Idenix Pharmaceuticals, Inc. Process for preparing a synthetic intermediate for preparation of branched nucleosides
US7645752B2 (en) * 2006-01-13 2010-01-12 Wyeth Llc Sulfonyl substituted 1H-indoles as ligands for the 5-hydroxytryptamine receptors
US20080261913A1 (en) 2006-12-28 2008-10-23 Idenix Pharmaceuticals, Inc. Compounds and pharmaceutical compositions for the treatment of liver disorders
CA2696053A1 (en) 2007-02-28 2008-09-04 Conatus Pharmaceuticals, Inc. Methods for the treatment of liver diseases
WO2008106167A1 (en) * 2007-02-28 2008-09-04 Conatus Pharmaceuticals, Inc. Combination therapy comprising matrix metalloproteinase inhibitors and caspase inhibitors for the treatment of liver diseases
WO2009020480A2 (en) * 2007-04-26 2009-02-12 The Scripps Research Institute Genomic mutation inhibitors that inhibit y family dna polymerases
WO2010014134A1 (en) * 2008-07-02 2010-02-04 Idenix Pharamaceuticals, Inc. Compounds and pharmaceutical compositions for the treatment of viral infections
JP5690286B2 (ja) 2009-03-04 2015-03-25 イデニク プハルマセウティカルス,インコーポレイテッド ホスホチオフェン及びホスホチアゾールhcvポリメラーゼ阻害剤
JP2013501068A (ja) 2009-08-05 2013-01-10 アイディニックス ファーマシューティカルズ インコーポレイテッド 大環状セリンプロテアーゼ阻害剤
US20110117055A1 (en) 2009-11-19 2011-05-19 Macdonald James E Methods of Treating Hepatitis C Virus with Oxoacetamide Compounds
AR079528A1 (es) 2009-12-18 2012-02-01 Idenix Pharmaceuticals Inc Inhibidores de arileno o heteroarileno 5,5-fusionado del virus de la hepatitis c
MX2012011222A (es) 2010-04-01 2013-01-18 Centre Nat Rech Scient Compuestos y composiciones farmaceuticas para el tratamiento de infecciones virales.
WO2012080050A1 (en) 2010-12-14 2012-06-21 F. Hoffmann-La Roche Ag Solid forms of a phenoxybenzenesulfonyl compound
AR085352A1 (es) 2011-02-10 2013-09-25 Idenix Pharmaceuticals Inc Inhibidores macrociclicos de serina proteasa, sus composiciones farmaceuticas y su uso para tratar infecciones por hcv
US20120252721A1 (en) 2011-03-31 2012-10-04 Idenix Pharmaceuticals, Inc. Methods for treating drug-resistant hepatitis c virus infection with a 5,5-fused arylene or heteroarylene hepatitis c virus inhibitor
JP2014514295A (ja) 2011-03-31 2014-06-19 アイディニックス ファーマシューティカルズ インコーポレイテッド ウイルス感染の治療のための化合物および薬学的組成物
US20140249105A1 (en) * 2011-07-25 2014-09-04 Diverchim Novel ceramide analogues, processes for preparing same and uses thereof
CN103906759A (zh) 2011-09-12 2014-07-02 埃迪尼克斯医药公司 用于治疗病毒感染的化合物和药物组合物
EP2755983B1 (de) 2011-09-12 2017-03-15 Idenix Pharmaceuticals LLC. Substituierte carbonyloxymethylphosphoramidatverbindungen und pharmazeutische zusammensetzungen zur behandlung von virusinfektionen
TW201331221A (zh) 2011-10-14 2013-08-01 Idenix Pharmaceuticals Inc 嘌呤核苷酸化合物類之經取代的3’,5’-環磷酸酯及用於治療病毒感染之醫藥組成物
AU2012345732B2 (en) 2011-11-30 2016-07-14 Emory University Antiviral JAK inhibitors useful in treating or preventing retroviral and other viral infections
US20130217644A1 (en) 2012-02-13 2013-08-22 Idenix Pharmaceuticals, Inc. Pharmaceutical Compositions of 2'-C-Methyl-Guanosine, 5'-[2[(3-Hydroxy-2,2-Dimethyl-1-Oxopropyl)Thio]Ethyl N-(Phenylmethyl)Phosphoramidate]
US9109001B2 (en) 2012-05-22 2015-08-18 Idenix Pharmaceuticals, Inc. 3′,5′-cyclic phosphoramidate prodrugs for HCV infection
US9296778B2 (en) 2012-05-22 2016-03-29 Idenix Pharmaceuticals, Inc. 3′,5′-cyclic phosphate prodrugs for HCV infection
EA031301B1 (ru) 2012-05-22 2018-12-28 Иденикс Фармасьютикалз Ллс D-аминокислотные химические соединения для лечения заболеваний печени
EP2861611B1 (de) 2012-05-25 2016-07-13 Janssen Sciences Ireland UC Uracyl-spirooxetan-nukleoside
WO2014052638A1 (en) 2012-09-27 2014-04-03 Idenix Pharmaceuticals, Inc. Esters and malonates of sate prodrugs
MX353422B (es) 2012-10-08 2018-01-12 Idenix Pharmaceuticals Llc Análogos de 2'-cloronucleósido para infección por vhc.
WO2014063019A1 (en) 2012-10-19 2014-04-24 Idenix Pharmaceuticals, Inc. Dinucleotide compounds for hcv infection
EP2909222B1 (de) 2012-10-22 2021-05-26 Idenix Pharmaceuticals LLC 2',4'-verbrückten nukleoside für hcv-infektion
WO2014078436A1 (en) 2012-11-14 2014-05-22 Idenix Pharmaceuticals, Inc. D-alanine ester of sp-nucleoside analog
US20140140951A1 (en) 2012-11-14 2014-05-22 Idenix Pharmaceuticals, Inc. D-Alanine Ester of Rp-Nucleoside Analog
EP2935304A1 (de) 2012-12-19 2015-10-28 IDENIX Pharmaceuticals, Inc. 4'-fluor-nukleoside zur behandlung von hcv
CN103936637B (zh) * 2013-01-18 2016-04-06 北京大学 E-3,4-二羟苯乙烯基亚砜类化合物的制备方法及其作为神经保护药物的应用
US9309275B2 (en) 2013-03-04 2016-04-12 Idenix Pharmaceuticals Llc 3′-deoxy nucleosides for the treatment of HCV
US9339541B2 (en) 2013-03-04 2016-05-17 Merck Sharp & Dohme Corp. Thiophosphate nucleosides for the treatment of HCV
US20140271547A1 (en) 2013-03-13 2014-09-18 Idenix Pharmaceuticals, Inc. Amino acid phosphoramidate pronucleotides of 2'-cyano, azido and amino nucleosides for the treatment of hcv
US9187515B2 (en) 2013-04-01 2015-11-17 Idenix Pharmaceuticals Llc 2′,4′-fluoro nucleosides for the treatment of HCV
WO2014197578A1 (en) 2013-06-05 2014-12-11 Idenix Pharmaceuticals, Inc. 1',4'-thio nucleosides for the treatment of hcv
WO2015017713A1 (en) 2013-08-01 2015-02-05 Idenix Pharmaceuticals, Inc. D-amino acid phosphoramidate pronucleotides of halogeno pyrimidine compounds for liver disease
PT3041854T (pt) 2013-08-08 2020-03-05 Scripps Research Inst Um método para a identificação enzimática específica ao local de ácidos nucleicos in vitro pela incorporação de nucleótidos não-naturais
WO2015042375A1 (en) 2013-09-20 2015-03-26 Idenix Pharmaceuticals, Inc. Hepatitis c virus inhibitors
WO2015061683A1 (en) 2013-10-25 2015-04-30 Idenix Pharmaceuticals, Inc. D-amino acid phosphoramidate and d-alanine thiophosphoramidate pronucleotides of nucleoside compounds useful for the treatment of hcv
US20160271162A1 (en) 2013-11-01 2016-09-22 Idenix Pharmacueticals, Llc D-alanine phosphoramide pronucleotides of 2'-methyl 2'-fluro guanosine nucleoside compounds for the treatment of hcv
US20170198005A1 (en) 2013-11-27 2017-07-13 Idenix Pharmaceuticals Llc 2'-dichloro and 2'-fluoro-2'-chloro nucleoside analogues for hcv infection
WO2015095419A1 (en) 2013-12-18 2015-06-25 Idenix Pharmaceuticals, Inc. 4'-or nucleosides for the treatment of hcv
US20170135990A1 (en) 2014-03-05 2017-05-18 Idenix Pharmaceuticals Llc Pharmaceutical compositions comprising a 5,5-fused heteroarylene flaviviridae inhibitor and their use for treating or preventing flaviviridae infection
US20170066779A1 (en) 2014-03-05 2017-03-09 Idenix Pharmaceuticals Llc Solid forms of a flaviviridae virus inhibitor compound and salts thereof
TWI638047B (zh) 2014-04-09 2018-10-11 史基普研究協會 藉由核酸三磷酸酯轉運子將非天然或經修飾的核苷三磷酸酯輸入至細胞中
US10202411B2 (en) 2014-04-16 2019-02-12 Idenix Pharmaceuticals Llc 3′-substituted methyl or alkynyl nucleosides nucleotides for the treatment of HCV
WO2017106767A1 (en) 2015-12-18 2017-06-22 The Scripps Research Institute Production of unnatural nucleotides using a crispr/cas9 system
WO2017223528A1 (en) 2016-06-24 2017-12-28 The Scripps Research Institute Novel nucleoside triphosphate transporter and uses thereof
WO2019014267A1 (en) 2017-07-11 2019-01-17 Synthorx, Inc. INCORPORATION OF NON-NATURAL NUCLEOTIDES AND ASSOCIATED METHODS
AU2018309172B2 (en) 2017-08-03 2022-12-15 Synthorx, Inc. Cytokine conjugates for the treatment of autoimmune diseases
AR114445A1 (es) 2018-02-26 2020-09-09 Synthorx Inc Conjugados de il-15, y sus usos
EP3923974A4 (de) 2019-02-06 2023-02-08 Synthorx, Inc. Il-2-konjugate und verfahren zur verwendung davon
BR112021025130A2 (pt) 2019-06-14 2022-03-15 Scripps Research Inst Reagentes e métodos para replicação, transcrição e tradução em organismos semissintéticos

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3817982A (en) 1971-12-29 1974-06-18 Syntex Inc 2{40 ,3{40 -unsaturated nucleosides and method of making
US4594339A (en) 1982-04-06 1986-06-10 Sloan-Kettering Institute For Cancer Research Anti-herpes virus compositions containing 5-substituted 1-2'(deoxy-2-'-substituted-β-d-arabinofuranosyl)pyrimedene nucleosides
US5455339A (en) 1986-05-01 1995-10-03 University Of Georgia Research Foundation, Inc. Method for the preparation of 2',3'-dideoxy and 2',3'-dideoxydide-hydro nucleosides
JPS6339893A (ja) 1986-08-05 1988-02-20 Daikin Ind Ltd 5−フルオロウリジン類およびその製法
US5384396A (en) 1988-02-23 1995-01-24 The University Of Georgia Research Foundation, Inc. Process for the deoxygenation of nucleosides
US4904770A (en) 1988-03-24 1990-02-27 Bristol-Myers Company Production of 2',3'-dideoxy-2',3'-didehydronucleosides
US5130421A (en) 1988-03-24 1992-07-14 Bristol-Myers Company Production of 2',3'-dideoxy-2',3'-didehydronucleosides
US4900828A (en) 1988-05-12 1990-02-13 Hoffmann-Laroche Inc. Intermediate compounds and an improved procedure for the synthesis of 2',3'-dideoxycytidine
US4987224A (en) 1988-08-02 1991-01-22 University Of Georgia Research Foundation, Inc. Method of preparation of 2',3'-dideoxynucleosides
NL8901258A (nl) 1989-05-19 1990-12-17 Stichting Rega V Z W 5-halogeno-2',3'-dideoxycytidinederivaten in geneesmiddelen voor het behandelen van retrovirus-infecties.
DD293498A5 (de) 1989-07-20 1991-09-05 Zi Fuer Molekularbiologie Der Adw,De Verfahren zur herstellung eines mittels fuer die behandlung oder prophylaxe von hepatits-infektionen bei mensch und tier
US5212298A (en) 1989-08-16 1993-05-18 Monsanto Company Method for producing synthetic N-linked glycoconjugates
US5200514A (en) * 1990-01-19 1993-04-06 University Of Georgia Research Foundation, Inc. Synthesis of 2'-deoxypyrimidine nucleosides
US5175267A (en) 1990-03-02 1992-12-29 University Of Georgia Research Foundation, Inc. Stereoselective glycosylation of hetercyclic bases
FR2674064B1 (fr) * 1991-03-13 1993-06-04 Alsthom Gec Dispositif de varistance et de resistance pour la chambre de coupure d'un disjoncteur.
JPH04295475A (ja) * 1991-03-22 1992-10-20 Japan Tobacco Inc 2’,3’−ジデオキシ−2’,3’− ジデヒドロヌクレオシド類の製法
JP3042073B2 (ja) 1991-06-19 2000-05-15 味の素株式会社 ヌクレオシド誘導体とその製造方法
TW374087B (en) 1993-05-25 1999-11-11 Univ Yale L-2',3'-dideoxy nucleotide analogs as anti-hepatitis B(HBV) and anti-HIV agents
US5539099A (en) 1993-11-15 1996-07-23 Bristol-Myers Squibb Company Process for large-scale preparation of 2',3'-didehydro-2',3'-dideoxynucleosides
US5703058A (en) 1995-01-27 1997-12-30 Emory University Compositions containing 5-fluoro-2',3'-didehydro-2',3'-dideoxycytidine or a mono-, di-, or triphosphate thereof and a second antiviral agent
DK1058686T3 (da) 1998-02-25 2007-03-05 Univ Emory 2'-fluornukleosider

Also Published As

Publication number Publication date
AU2002255654B2 (en) 2008-05-15
US20050250946A1 (en) 2005-11-10
US6927291B2 (en) 2005-08-09
KR20030092006A (ko) 2003-12-03
MXPA03007853A (es) 2004-05-24
BR0207746A (pt) 2004-06-29
WO2002070533A2 (en) 2002-09-12
NZ540956A (en) 2007-01-26
JP2004527504A (ja) 2004-09-09
EP1363927A2 (de) 2003-11-26
CA2439836A1 (en) 2002-09-12
CN1505635A (zh) 2004-06-16
RU2003129164A (ru) 2005-03-20
WO2002070533A3 (en) 2002-12-19
US20020198224A1 (en) 2002-12-26

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