CA2403835C - Anti-viral pyrimidine nucleoside analogues - Google Patents

Anti-viral pyrimidine nucleoside analogues Download PDF

Info

Publication number
CA2403835C
CA2403835C CA002403835A CA2403835A CA2403835C CA 2403835 C CA2403835 C CA 2403835C CA 002403835 A CA002403835 A CA 002403835A CA 2403835 A CA2403835 A CA 2403835A CA 2403835 C CA2403835 C CA 2403835C
Authority
CA
Canada
Prior art keywords
alkyl
moieties
group
deoxy
dihydrofuro
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
CA002403835A
Other languages
English (en)
French (fr)
Other versions
CA2403835A1 (en
Inventor
Christopher Mcguigan
Jan Balzarini
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rega Foundation
University College Cardiff Consultants Ltd
Original Assignee
Rega Foundation
University College Cardiff Consultants 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 Rega Foundation, University College Cardiff Consultants Ltd filed Critical Rega Foundation
Publication of CA2403835A1 publication Critical patent/CA2403835A1/en
Application granted granted Critical
Publication of CA2403835C publication Critical patent/CA2403835C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • A61K31/495—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
    • A61K31/498—Pyrazines or piperazines ortho- and peri-condensed with carbocyclic ring systems, e.g. quinoxaline, phenazine
    • 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
    • A61K31/495—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
    • A61K31/4985—Pyrazines or piperazines ortho- or peri-condensed with heterocyclic ring systems
    • 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
    • A61K31/70—Carbohydrates; Sugars; Derivatives thereof
    • A61K31/7042—Compounds having saccharide radicals and heterocyclic rings
    • A61K31/7052—Compounds having saccharide radicals and heterocyclic rings having nitrogen as a ring hetero atom, e.g. nucleosides, nucleotides
    • A61K31/706—Compounds having saccharide radicals and heterocyclic rings having nitrogen as a ring hetero atom, e.g. nucleosides, nucleotides containing six-membered rings with nitrogen as a ring hetero atom
    • 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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D403/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00
    • 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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D405/00—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
    • C07D405/02—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings
    • C07D405/04—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings directly linked by a ring-member-to-ring-member bond
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • 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
    • C07D487/04—Ortho-condensed systems
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
    • C07D491/02—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains two hetero rings
    • C07D491/04—Ortho-condensed systems
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D498/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and oxygen atoms as the only ring hetero atoms
    • C07D498/02—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and oxygen atoms as the only ring hetero atoms in which the condensed system contains two hetero rings
    • C07D498/04—Ortho-condensed systems
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H19/00—Compounds containing a hetero ring sharing one ring hetero atom with a saccharide radical; Nucleosides; Mononucleotides; Anhydro-derivatives thereof
    • C07H19/02—Compounds containing a hetero ring sharing one ring hetero atom with a saccharide radical; Nucleosides; Mononucleotides; Anhydro-derivatives thereof sharing nitrogen
    • C07H19/04—Heterocyclic radicals containing only nitrogen atoms as ring hetero atom
    • C07H19/06—Pyrimidine radicals
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H19/00—Compounds containing a hetero ring sharing one ring hetero atom with a saccharide radical; Nucleosides; Mononucleotides; Anhydro-derivatives thereof
    • C07H19/02—Compounds containing a hetero ring sharing one ring hetero atom with a saccharide radical; Nucleosides; Mononucleotides; Anhydro-derivatives thereof sharing nitrogen
    • C07H19/04—Heterocyclic radicals containing only nitrogen atoms as ring hetero atom
    • C07H19/06—Pyrimidine radicals
    • C07H19/10—Pyrimidine radicals with the saccharide radical esterified by phosphoric or polyphosphoric acids
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H19/00—Compounds containing a hetero ring sharing one ring hetero atom with a saccharide radical; Nucleosides; Mononucleotides; Anhydro-derivatives thereof
    • C07H19/02—Compounds containing a hetero ring sharing one ring hetero atom with a saccharide radical; Nucleosides; Mononucleotides; Anhydro-derivatives thereof sharing nitrogen
    • C07H19/04—Heterocyclic radicals containing only nitrogen atoms as ring hetero atom
    • C07H19/14—Pyrrolo-pyrimidine radicals
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H19/00—Compounds containing a hetero ring sharing one ring hetero atom with a saccharide radical; Nucleosides; Mononucleotides; Anhydro-derivatives thereof
    • C07H19/02—Compounds containing a hetero ring sharing one ring hetero atom with a saccharide radical; Nucleosides; Mononucleotides; Anhydro-derivatives thereof sharing nitrogen
    • C07H19/04—Heterocyclic radicals containing only nitrogen atoms as ring hetero atom
    • C07H19/23—Heterocyclic radicals containing two or more heterocyclic rings condensed among themselves or condensed with a common carbocyclic ring system, not provided for in groups C07H19/14 - C07H19/22
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H19/00—Compounds containing a hetero ring sharing one ring hetero atom with a saccharide radical; Nucleosides; Mononucleotides; Anhydro-derivatives thereof
    • C07H19/02—Compounds containing a hetero ring sharing one ring hetero atom with a saccharide radical; Nucleosides; Mononucleotides; Anhydro-derivatives thereof sharing nitrogen
    • C07H19/24—Heterocyclic radicals containing oxygen or sulfur as ring hetero atom

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Genetics & Genomics (AREA)
  • Biotechnology (AREA)
  • Biochemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Medicinal Chemistry (AREA)
  • Public Health (AREA)
  • Epidemiology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oncology (AREA)
  • Communicable Diseases (AREA)
  • Virology (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Saccharide Compounds (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
CA002403835A 2000-04-17 2001-04-12 Anti-viral pyrimidine nucleoside analogues Expired - Fee Related CA2403835C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB0009486.2A GB0009486D0 (en) 2000-04-17 2000-04-17 Chemical compounds
GB0009486.2 2000-04-17
PCT/GB2001/001694 WO2001083501A1 (en) 2000-04-17 2001-04-12 Anti-viral pyrimidine nucleoside analogues

Publications (2)

Publication Number Publication Date
CA2403835A1 CA2403835A1 (en) 2001-11-08
CA2403835C true CA2403835C (en) 2010-01-12

Family

ID=9890100

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002403835A Expired - Fee Related CA2403835C (en) 2000-04-17 2001-04-12 Anti-viral pyrimidine nucleoside analogues

Country Status (14)

Country Link
US (4) US7820631B2 (enExample)
EP (1) EP1274713B1 (enExample)
JP (1) JP4959900B2 (enExample)
AT (1) ATE261451T1 (enExample)
AU (1) AU781323B2 (enExample)
CA (1) CA2403835C (enExample)
DE (1) DE60102293T2 (enExample)
DK (1) DK1274713T3 (enExample)
ES (1) ES2215931T3 (enExample)
GB (1) GB0009486D0 (enExample)
NZ (1) NZ521828A (enExample)
PT (1) PT1274713E (enExample)
TR (1) TR200400785T4 (enExample)
WO (1) WO2001083501A1 (enExample)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7462605B2 (en) 1998-01-23 2008-12-09 Celmed Oncology (Usa), Inc. Phosphoramidate compounds and methods of use
ES2172303T3 (es) 1998-01-23 2002-09-16 Newbiotics Inc Agentes terapeuticos obtenidos por catalisis enzimatica.
US6683061B1 (en) 1999-07-22 2004-01-27 Newbiotics, Inc. Enzyme catalyzed therapeutic activation
IL147749A0 (en) 1999-07-22 2002-08-14 Newbiotics Inc Methods for treating therapy-resistant tumors
GB0009486D0 (en) 2000-04-17 2000-06-07 Univ Cardiff Chemical compounds
MY164523A (en) 2000-05-23 2017-12-29 Univ Degli Studi Cagliari Methods and compositions for treating hepatitis c virus
AU2003298658A1 (en) 2002-11-15 2004-06-15 Idenix (Cayman) Limited 2'-branched nucleosides and flaviviridae mutation
GB0609178D0 (en) * 2006-05-09 2006-06-21 Univ Cardiff Novel compounds
CA2679257C (en) 2007-02-28 2017-04-04 The Governors Of The University Of Alberta Compounds for preventing or treating viral infections and methods of use thereof
GB2452556A (en) * 2007-09-07 2009-03-11 Univ Leuven Kath Nucleoside analogues esterified at 3 and/or 5 positions by neutral non-polar amino acid, or oligopeptide thereof, for combating Varicella Zoster virus
GB201016855D0 (en) * 2010-10-06 2010-11-17 Nucana Biomed Ltd Chemical compounds
JP2013539760A (ja) 2010-10-09 2013-10-28 シナジー ファーマシューティカルズ インコーポレイテッド 抗ウイルス化合物およびその有用な中間体の調製方法
CN102443032B (zh) * 2010-10-09 2015-07-22 英希比泰克斯公司 制备抗病毒组合物的方法及其中间体的应用
US9243025B2 (en) 2011-03-31 2016-01-26 Idenix Pharmaceuticals, Llc Compounds and pharmaceutical compositions for the treatment of viral infections
GB201111779D0 (en) 2011-07-08 2011-08-24 Univ Cardiff Chemical compounds
US9403863B2 (en) 2011-09-12 2016-08-02 Idenix Pharmaceuticals Llc Substituted carbonyloxymethylphosphoramidate compounds and pharmaceutical compositions for the treatment of viral infections
AR089650A1 (es) 2011-10-14 2014-09-10 Idenix Pharmaceuticals Inc Fosfatos 3,5-ciclicos sustituidos de compuestos de nucleotido de purina y composiciones farmaceuticas para el tratamiento de infecciones virales
EP2852604B1 (en) 2012-05-22 2017-04-12 Idenix Pharmaceuticals LLC 3',5'-cyclic phosphoramidate prodrugs for hcv infection
MD20140134A2 (ro) 2012-05-22 2015-04-30 Idenix Pharmaceuticals, Inc. Compuşi ai D-aminoacizilor pentru tratamentul bolilor hepatice
WO2013177195A1 (en) 2012-05-22 2013-11-28 Idenix Pharmaceuticals, Inc. 3',5'-cyclic phosphate prodrugs for hcv infection
PT2861611T (pt) 2012-05-25 2016-10-11 Janssen Sciences Ireland Uc Nucleósidos de espirooxetano de uracilo
WO2014052638A1 (en) 2012-09-27 2014-04-03 Idenix Pharmaceuticals, Inc. Esters and malonates of sate prodrugs
ES2674980T3 (es) 2012-10-08 2018-07-05 Idenix Pharmaceuticals Llc Análogos de 2'-cloro nucleósidos para infección por VHC
WO2014066239A1 (en) 2012-10-22 2014-05-01 Idenix Pharmaceuticals, Inc. 2',4'-bridged nucleosides for hcv infection
US9211300B2 (en) 2012-12-19 2015-12-15 Idenix Pharmaceuticals Llc 4′-fluoro nucleosides for the treatment of HCV
WO2014137930A1 (en) 2013-03-04 2014-09-12 Idenix Pharmaceuticals, Inc. 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
EP2970357B1 (en) 2013-03-13 2025-01-01 Idenix Pharmaceuticals LLC Amino acid phosphoramidate pronucleotides of 2'-cyano, azido and amino nucleosides for the treatment of hcv
EP2981542B1 (en) 2013-04-01 2021-09-15 Idenix Pharmaceuticals LLC 2',4'-fluoro nucleosides for the treatment of hcv
EP3004130B1 (en) 2013-06-05 2019-08-07 Idenix Pharmaceuticals LLC. 1',4'-thio nucleosides for the treatment of hcv
US20150037282A1 (en) 2013-08-01 2015-02-05 Idenix Pharmaceuticals, Inc. D-amino acid phosphoramidate pronucleotides of halogeno pyrimidine compounds for liver disease
EP3131914B1 (en) 2014-04-16 2023-05-10 Idenix Pharmaceuticals LLC 3'-substituted methyl or alkynyl nucleosides for the treatment of hcv
US9963498B2 (en) 2016-08-18 2018-05-08 Wisconsin Alumni Research Foundation Peptides that inhibit syndecan-1 activation of VLA-4 and IGF-1R

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62255499A (ja) 1986-04-28 1987-11-07 Teijin Ltd 螢光性ヌクレオシド又はヌクレオチド
EP0346108A3 (en) 1988-06-09 1991-04-24 The Wellcome Foundation Limited Anti-infective nucleosides
YU43193A (sh) * 1992-06-22 1997-01-08 Eli Lilly And Company 2'-deoksi-2',2'-difluoro(4-supstituisani)pirimidinski nukleozidi antivirusnog i antikancerogenog dejstva i međuproizvodi
GB9505025D0 (en) * 1995-03-13 1995-05-03 Medical Res Council Chemical compounds
US6022876A (en) * 1996-11-15 2000-02-08 Yale University L-β-dioxolane uridine analogs and methods for treating and preventing Epstein-Barr virus infections
GB9708611D0 (en) 1997-04-28 1997-06-18 Univ Cardiff Chemical compounds
GB9716231D0 (en) * 1997-07-31 1997-10-08 Amersham Int Ltd Base analogues
JP2003527317A (ja) 1999-07-22 2003-09-16 ニューバイオティックス インコーポレイテッド 酵素触媒抗感染性治療剤
HK1053126A1 (zh) 1999-07-22 2003-10-10 新生物生物公司 酶催化的治疗活化
IL147749A0 (en) * 1999-07-22 2002-08-14 Newbiotics Inc Methods for treating therapy-resistant tumors
GB0009486D0 (en) * 2000-04-17 2000-06-07 Univ Cardiff Chemical compounds
GB0011203D0 (en) * 2000-05-09 2000-06-28 Univ Cardiff Chemical compounds
AU2004320625B2 (en) * 2004-06-07 2009-08-27 Anadys Pharmaceuticals, Inc. 3-beta-D-ribofuranosylthiazolo[4,5-d]pyrimidine nucleosides and uses thereof
GB0609178D0 (en) * 2006-05-09 2006-06-21 Univ Cardiff Novel compounds
GB2452556A (en) * 2007-09-07 2009-03-11 Univ Leuven Kath Nucleoside analogues esterified at 3 and/or 5 positions by neutral non-polar amino acid, or oligopeptide thereof, for combating Varicella Zoster virus
GB201111779D0 (en) * 2011-07-08 2011-08-24 Univ Cardiff Chemical compounds

Also Published As

Publication number Publication date
AU781323B2 (en) 2005-05-19
EP1274713B1 (en) 2004-03-10
US20140011764A1 (en) 2014-01-09
US20160244476A1 (en) 2016-08-25
JP4959900B2 (ja) 2012-06-27
ATE261451T1 (de) 2004-03-15
JP2004506606A (ja) 2004-03-04
AU9519101A (en) 2001-11-12
DE60102293T2 (de) 2005-02-17
TR200400785T4 (tr) 2004-07-21
US7820631B2 (en) 2010-10-26
US20030148967A1 (en) 2003-08-07
DE60102293D1 (de) 2004-04-15
US8551965B2 (en) 2013-10-08
PT1274713E (pt) 2004-08-31
EP1274713A1 (en) 2003-01-15
WO2001083501A1 (en) 2001-11-08
US20110015147A1 (en) 2011-01-20
ES2215931T3 (es) 2004-10-16
GB0009486D0 (en) 2000-06-07
DK1274713T3 (da) 2004-08-02
US9351970B2 (en) 2016-05-31
CA2403835A1 (en) 2001-11-08
NZ521828A (en) 2005-06-24

Similar Documents

Publication Publication Date Title
EP1274713B1 (en) Anti-viral pyrimidine nucleoside analogues
EP1280813B1 (en) Anti-viral pyrimidine nucleoside analogues
EP0980377B1 (en) Anti-viral pyrimidine nucleoside analogues
CA2111571C (en) Treatment of chemotherapeutic agent and antiviral agent toxicity with acylated pyrimidine nucleosides
NZ535246A (en) 3'-prodrugs of 2'-deoxy-beta-L-nucleosides
CA2700267A1 (en) Azacytidine analogues and uses thereof
JP2005536440A (ja) ４’位が修飾されたヌクレオシドを使用するフラビウイルスおよびペスチウイルスの治療のための方法および組成物
WO2015072784A1 (en) Mutual prodrug comprising short chain fatty acids and zebularine or 1'-cyano-cytarabine for cancer treatment
EP0530407B1 (en) Substituted, nucleoside derivatives, methods for their preparation and pharmaceutical compositions containing them
DD251984A5 (de) Verfahren zur herstellung von 3'-azidonucleosiden und pharmazeutisch vertraeglichen derivaten davon
JP2805323B2 (ja) ２′―デオキシ―５―フルオロウリジン誘導体、その製造方法及びそれを有効成分として含有する抗腫瘍剤
FI90664B (fi) Menetelmä terapeuttisesti käyttökelpoisten 3'-atsido nukleosidien valmistamiseksi
MXPA99009965A (en) Anti-viral pyrimidine nucleoside analogues

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20190412