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
US27244101P 2001-03-01 2001-03-01
US27243401P 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 (xx)
EP (1) EP1363927A2 (xx)
JP (1) JP2004527504A (xx)
KR (1) KR20030092006A (xx)
CN (1) CN1505635A (xx)
AU (1) AU2002255654B2 (xx)
BR (1) BR0207746A (xx)
CA (1) CA2439836A1 (xx)
IL (1) IL157478A0 (xx)
MX (1) MXPA03007853A (xx)
NZ (1) NZ540956A (xx)
RU (1) RU2003129164A (xx)
WO (1) WO2002070533A2 (xx)

Families Citing this family (65)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100457118C (zh) 2000-04-13 2009-02-04 法玛塞特有限公司 用于治疗肝炎病毒感染的3′-或2′-羟甲基取代的核苷衍生物
MY164523A (en) 2000-05-23 2017-12-29 Univ Degli Studi Cagliari Methods and compositions for treating hepatitis c virus
JP5230052B2 (ja) 2000-05-26 2013-07-10 イデニクス(ケイマン)リミテツド フラビウイルスおよびペスチウイルス治療のための方法および組成物
WO2004002422A2 (en) * 2002-06-28 2004-01-08 Idenix (Cayman) Limited 2’-c-methyl-3’-o-l-valine ester ribofuranosyl cytidine for treatment of flaviviridae infections
US7608600B2 (en) 2002-06-28 2009-10-27 Idenix Pharmaceuticals, Inc. Modified 2′ and 3′-nucleoside prodrugs for treating Flaviviridae infections
AU2003257157C1 (en) 2002-08-01 2010-03-18 Pharmasset Inc. Compounds with the bicyclo[4.2.1] nonane system for the treatment of Flaviviridae infections
SI1576138T1 (sl) 2002-11-15 2017-07-31 Idenix Pharmaceuticals Llc 2'-metil nukleozidi v kombinaciji z interferon in flaviviridae mutacijo
EP2345657A1 (en) 2003-05-30 2011-07-20 Pharmasset, Inc. Modified fluorinated nucleoside analogues
CA2634749C (en) 2005-12-23 2014-08-19 Idenix Pharmaceuticals, Inc. Process for preparing a synthetic intermediate for preparation of branched nucleosides
CN101370775A (zh) * 2006-01-13 2009-02-18 惠氏公司 作为5-羟基色胺受体配体的经磺酰基取代1h-吲哚
US7951789B2 (en) 2006-12-28 2011-05-31 Idenix Pharmaceuticals, Inc. Compounds and pharmaceutical compositions for the treatment of viral infections
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
PT2144604E (pt) * 2007-02-28 2011-10-19 Conatus Pharmaceuticals Inc Métodos para o tratamento da hepatite c viral crónica utilizando ro-113-0830
US20100130439A1 (en) * 2007-04-26 2010-05-27 Romesberg Floyd E Genomic mutation inhibitors that inhibit y family dna polymerases
KR20110065440A (ko) * 2008-07-02 2011-06-15 아이데닉스 파마슈티칼스, 인코포레이티드 바이러스 감염의 치료를 위한 화합물 및 제약 조성물
US8193372B2 (en) 2009-03-04 2012-06-05 Idenix Pharmaceuticals, Inc. Phosphothiophene and phosphothiazole HCV polymerase inhibitors
EP2461811B1 (en) 2009-08-05 2016-04-20 Idenix Pharmaceuticals LLC. Macrocyclic serine protease inhibitors useful against viral infections, particularly hcv
US20110117055A1 (en) 2009-11-19 2011-05-19 Macdonald James E Methods of Treating Hepatitis C Virus with Oxoacetamide Compounds
EP2513113B1 (en) 2009-12-18 2018-08-01 Idenix Pharmaceuticals LLC 5,5-fused arylene or heteroarylene hepatitis c virus inhibitors
TWI515000B (zh) 2010-04-01 2016-01-01 伊迪尼克製藥公司 用於治療病毒感染之化合物及醫藥組合物
WO2012080050A1 (en) 2010-12-14 2012-06-21 F. Hoffmann-La Roche Ag Solid forms of a phenoxybenzenesulfonyl compound
WO2012109398A1 (en) 2011-02-10 2012-08-16 Idenix Pharmaceuticals, Inc. Macrocyclic serine protease inhibitors, pharmaceutical compositions thereof, and their use for treating hcv infections
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
CA2843324A1 (en) 2011-03-31 2012-11-15 Idenix Pharmaceuticals, Inc. Compounds and pharmaceutical compositions for the treatment of viral infections
FR2978441A1 (fr) * 2011-07-25 2013-02-01 Diverchim Nouveaux analogues de ceramides, leurs procedes de preparation et leurs applications dans les compositions pharmaceutiques et cosmetiques
EP2755985B1 (en) 2011-09-12 2017-11-01 Idenix Pharmaceuticals LLC Compounds and pharmaceutical compositions for the treatment of viral infections
EP2755983B1 (en) 2011-09-12 2017-03-15 Idenix Pharmaceuticals LLC. Substituted carbonyloxymethylphosphoramidate compounds and pharmaceutical compositions for the treatment of viral infections
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
US9089574B2 (en) 2011-11-30 2015-07-28 Emory University Antiviral JAK inhibitors useful in treating or preventing retroviral and other viral infections
WO2013133927A1 (en) 2012-02-13 2013-09-12 Idenix Pharmaceuticals, Inc. Pharmaceutical compositions of 2'-c-methyl-guanosine, 5'-[2-[(3-hydroxy-2,2-dimethyl-1-oxopropyl)thio]ethyl n-(phenylmethyl)phosphoramidate]
WO2013177195A1 (en) 2012-05-22 2013-11-28 Idenix Pharmaceuticals, Inc. 3',5'-cyclic phosphate prodrugs for hcv infection
EP2852604B1 (en) 2012-05-22 2017-04-12 Idenix Pharmaceuticals LLC 3',5'-cyclic phosphoramidate prodrugs for hcv infection
MX355708B (es) 2012-05-22 2018-04-27 Idenix Pharmaceuticals Llc Compuestos de d-aminoacidos para enfermedades del higado.
CA2871547C (en) 2012-05-25 2021-05-25 Janssen R&D Ireland Uracyl spirooxetane nucleosides
EP2900682A1 (en) 2012-09-27 2015-08-05 IDENIX Pharmaceuticals, Inc. Esters and malonates of sate prodrugs
CN104936970A (zh) 2012-10-08 2015-09-23 埃迪尼克斯医药公司 用于hcv感染的2′-氯核苷类似物
US20140112886A1 (en) 2012-10-19 2014-04-24 Idenix Pharmaceuticals, Inc. Dinucleotide compounds for hcv infection
US10723754B2 (en) 2012-10-22 2020-07-28 Idenix Pharmaceuticals Llc 2′,4′-bridged nucleosides for HCV infection
EP2938624A1 (en) 2012-11-14 2015-11-04 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
WO2014099941A1 (en) 2012-12-19 2014-06-26 Idenix Pharmaceuticals, Inc. 4'-fluoro nucleosides for the treatment of 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
US9339541B2 (en) 2013-03-04 2016-05-17 Merck Sharp & Dohme Corp. Thiophosphate nucleosides for the treatment of HCV
WO2014137926A1 (en) 2013-03-04 2014-09-12 Idenix Pharmaceuticals, Inc. 3'-deoxy 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
WO2014165542A1 (en) 2013-04-01 2014-10-09 Idenix Pharmaceuticals, Inc. 2',4'-fluoro nucleosides for the treatment of hcv
US10005779B2 (en) 2013-06-05 2018-06-26 Idenix Pharmaceuticals Llc 1′,4′-thio nucleosides for the treatment of HCV
EP3027636B1 (en) 2013-08-01 2022-01-05 Idenix Pharmaceuticals LLC D-amino acid phosphoramidate pronucleotides of halogeno pyrimidine compounds for liver disease
SI3041854T1 (sl) 2013-08-08 2020-03-31 The Scripps Research Institute Postopek za mestnospecifično encimsko označevanje nukleinskih kislin in vitro z vključevanjem nenaravnih nukleotidov
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
WO2015081297A1 (en) 2013-11-27 2015-06-04 Idenix Pharmaceuticals, Inc. 2'-dichloro and 2'-fluoro-2'-chloro nucleoside analogues for hcv infection
US10683321B2 (en) 2013-12-18 2020-06-16 Idenix Pharmaceuticals Llc 4′-or nucleosides for the treatment of HCV
US20170066779A1 (en) 2014-03-05 2017-03-09 Idenix Pharmaceuticals Llc Solid forms of a flaviviridae virus inhibitor compound and salts thereof
WO2015134561A1 (en) 2014-03-05 2015-09-11 Idenix Pharmaceuticals, Inc. Pharmaceutical compositions comprising a 5,5-fused heteroarylene flaviviridae inhibitor and their use for treating or preventing flaviviridae infection
EP3129493B1 (en) 2014-04-09 2021-07-07 The Scripps Research Institute Import of unnatural or modified nucleoside triphosphates into cells via nucleic acid triphosphate transporters
US10202411B2 (en) 2014-04-16 2019-02-12 Idenix Pharmaceuticals Llc 3′-substituted methyl or alkynyl nucleosides nucleotides for the treatment of HCV
US11761007B2 (en) 2015-12-18 2023-09-19 The Scripps Research Institute Production of unnatural nucleotides using a CRISPR/Cas9 system
US20190218257A1 (en) 2016-06-24 2019-07-18 The Scripps Research Institute Novel nucleoside triphosphate transporter and uses thereof
CA3069321A1 (en) 2017-07-11 2019-01-17 Synthorx, Inc. Incorporation of unnatural nucleotides and methods thereof
AR112969A1 (es) 2017-08-03 2020-01-15 Synthorx Inc Conjugados de citoquina para el tratamiento de enfermedades proliferativas e infecciosas
JP7519296B2 (ja) 2018-02-26 2024-07-19 シンソークス, インコーポレイテッド Il-15コンジュゲートおよびその使用
BR112021014415A2 (pt) 2019-02-06 2021-09-21 Synthorx, Inc. Conjugados de il-2 e métodos de uso dos mesmos
AU2020291535A1 (en) 2019-06-14 2022-01-20 The Scripps Research Institute Reagents and methods for replication, transcription, and translation in semi-synthetic organisms

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
US5130421A (en) 1988-03-24 1992-07-14 Bristol-Myers Company Production of 2',3'-dideoxy-2',3'-didehydronucleosides
US4904770A (en) 1988-03-24 1990-02-27 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
DE69933860T2 (de) 1998-02-25 2007-05-31 Emory University 2'-fluoronukleoside

Also Published As

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

Similar Documents

Publication Publication Date Title
IL157478A0 (en) Method for the synthesis of 2', 3'-didehydronucleosides
ZA200203252B (en) Process for preparing 4"-substituted-9-deoxo-9A-AZA-9A-homoerythromycina derivatives.
IL159183A0 (en) Method for the preparation of escitalopram
IL161714A0 (en) Method for the preparation of escitalopram
IL143106A (en) Process for the preparation of diphenylmethylthioacetamide
IL157709A0 (en) Process for the preparation of 1,2-benzisoxazole-3-acetic acid
IL162059A0 (en) Process for the synthesis of -amino- chirally purealcohols
MXPA02006102A (es) Metodo para preparar compuestos bormodifluoroaceticos.
IL162310A0 (en) 3,4-Dihydro-1h-isoquinoloin-2-yl-derivatives
AU2002330042A1 (en) Process for the preparation of 1,5-diarylpyrazoles
IL162188A0 (en) Process for the preparation of Ä1,4,5Ü-oxadiazepine derivatives
MXPA03002926A (es) Proceso para la sintesis de 2,2,6,6,-tetrametil-4--oxipiperidina.
HK1066022A1 (en) Use of 1,1,1,3,3-pentafluorobutan
HUP0401577A3 (en) Process for the preparation of 2,4-didezoxyhexoses and 2,4,6-tridezoxyhexoses
HUP0303025A3 (en) Process for the preparation of arylethanoldiamines
EP1295864A4 (en) PROCESS FOR THE PREPARATION OF 1,5-DIAMINONAPHTHALINES
MXPA03009210A (es) PROCEDIMIENTO PARA LA PREPARACIoN DE OXABISPIDINAS.
IL162770A0 (en) Process for the preparation methylsteroids of 7
HUP0401989A3 (en) A process for the preparation of the 14 beta-hydroxy-baccatin iii-1,14-carbonate
IL137364A (en) Process for the preparation of 6,6-dimethylhept-1-en-4-yn-3-ol
PL371913A1 (en) Method for synthesizing beta-l-fluoro-2',3'-dideoxy-didehydcytidine (beta-l-fd4c)
PL368905A1 (en) Process for the preparation of beta-ionylideneacetaldehyde
IL161642A0 (en) IMPROVED PURIFICATION OF 4,4'(5')-DI-t-BUTYLCYCLOHEXANO-18-CROWN-6
HK1041606B (zh) N,n'-羰基雙內酰胺的製備方法
IL159965A0 (en) Novel 2,4-diaminothiazole derivatives