RU2200738C2 - Способ синтеза нуклеозидных аналогов - Google Patents

Способ синтеза нуклеозидных аналогов Download PDF

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Publication number
RU2200738C2
RU2200738C2 RU2000111438/04A RU2000111438A RU2200738C2 RU 2200738 C2 RU2200738 C2 RU 2200738C2 RU 2000111438/04 A RU2000111438/04 A RU 2000111438/04A RU 2000111438 A RU2000111438 A RU 2000111438A RU 2200738 C2 RU2200738 C2 RU 2200738C2
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heterocycle
group
dmso
alkylidene
phenyl
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RU2000111438/04A
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Russian (ru)
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RU2000111438A (ru
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Роберт Вилль м СКОТТ (US)
Роберт Вилльям СКОТТ
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Пфайзер Продактс Инк.
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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07HSUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H21/00Compounds containing two or more mononucleotide units having separate phosphate or polyphosphate groups linked by saccharide radicals of nucleoside groups, e.g. nucleic acids
    • 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
    • C07H19/14Pyrrolo-pyrimidine radicals
    • 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
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/55Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Molecular Biology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Genetics & Genomics (AREA)
  • General Health & Medical Sciences (AREA)
  • Biotechnology (AREA)
  • Saccharide Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
RU2000111438/04A 1999-05-11 2000-05-10 Способ синтеза нуклеозидных аналогов RU2200738C2 (ru)

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US13365199P 1999-05-11 1999-05-11
US60/133,651 1999-05-11

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RU2000111438A RU2000111438A (ru) 2002-03-10
RU2200738C2 true RU2200738C2 (ru) 2003-03-20

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EP (1) EP1052264B1 (enExample)
JP (1) JP2001011092A (enExample)
KR (1) KR100403900B1 (enExample)
CN (1) CN1275575A (enExample)
AR (1) AR028991A1 (enExample)
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AU (1) AU3401100A (enExample)
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CA (1) CA2307951A1 (enExample)
CZ (1) CZ20001710A3 (enExample)
DE (1) DE60018833D1 (enExample)
HU (1) HUP0001843A3 (enExample)
ID (1) ID25992A (enExample)
IL (1) IL136027A0 (enExample)
IN (1) IN186850B (enExample)
MX (1) MXPA00004532A (enExample)
PL (1) PL340109A1 (enExample)
RU (1) RU2200738C2 (enExample)
TR (1) TR200001340A2 (enExample)
YU (1) YU25500A (enExample)
ZA (1) ZA200002263B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2407747C2 (ru) * 2004-07-21 2010-12-27 Фармассет, Инк. Способ получения алкилзамещенных 2-дезокси-2-фтор-d-рибофуранозил-пиримидинов и пуринов и их производных

Families Citing this family (64)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AR044519A1 (es) 2003-05-02 2005-09-14 Novartis Ag Derivados de piridin-tiazol amina y de pirimidin-tiazol amina
GB0401334D0 (en) 2004-01-21 2004-02-25 Novartis Ag Organic compounds
GB0411056D0 (en) 2004-05-18 2004-06-23 Novartis Ag Organic compounds
GB0424284D0 (en) 2004-11-02 2004-12-01 Novartis Ag Organic compounds
GB0426164D0 (en) 2004-11-29 2004-12-29 Novartis Ag Organic compounds
CA2607021C (en) * 2005-05-05 2013-10-29 Ardea Biosciences, Inc. Diaryl-purines, -azapurines and -deazapurines as non-nucleoside reverse transcriptase inhibitors for treatment of hiv
GB0510390D0 (en) 2005-05-20 2005-06-29 Novartis Ag Organic compounds
GB0516313D0 (en) 2005-08-08 2005-09-14 Argenta Discovery Ltd Azole derivatives and their uses
US7994211B2 (en) 2005-08-08 2011-08-09 Argenta Discovery Limited Bicyclo[2.2.1]hept-7-ylamine derivatives and their uses
JP5006330B2 (ja) 2005-10-21 2012-08-22 ノバルティス アーゲー Il13に対するヒト抗体および治療的使用
GB0601951D0 (en) 2006-01-31 2006-03-15 Novartis Ag Organic compounds
KR20090073121A (ko) 2006-09-29 2009-07-02 노파르티스 아게 Pi3k 지질 키나제 억제제로서의 피라졸로피리미딘
CA2667962A1 (en) 2006-10-30 2008-05-08 Novartis Ag Heterocyclic compounds as antiinflammatory agents
EP2220091B1 (en) * 2007-12-14 2012-07-25 Ardea Biosciences, Inc. Reverse transcriptase inhibitors
PT2229358E (pt) 2007-12-14 2011-06-29 Pulmagen Therapeutics Asthma Ltd Indoles e sua utilização terapêutica
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US8927513B2 (en) * 2009-07-07 2015-01-06 Alnylam Pharmaceuticals, Inc. 5′ phosphate mimics
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EA201200260A1 (ru) 2009-08-12 2012-09-28 Новартис Аг Гетероциклические гидразоны и их применение для лечения рака и воспаления
UA111579C2 (uk) 2009-08-17 2016-05-25 Інтеллікіне Ллк ГЕТЕРОЦИКЛІЧНІ ПОХІДНІ 2-АМІНОБЕНЗО[d]ОКСАЗОЛУ, ФАРМАЦЕВТИЧНА КОМПОЗИЦІЯ НА ЇХ ОСНОВІ ТА ЇХ ЗАСТОСУВАННЯ ДЛЯ ЛІКУВАННЯ ЗАХВОРЮВАННЯ, ПОВ'АНОГО З РІ3-КІНАЗОЮ
KR20120089463A (ko) 2009-08-20 2012-08-10 노파르티스 아게 헤테로시클릭 옥심 화합물
GB201009731D0 (en) 2010-06-10 2010-07-21 Pulmagen Therapeutics Inflamma Kinase inhibitors
WO2012034095A1 (en) 2010-09-09 2012-03-15 Irm Llc Compounds and compositions as trk inhibitors
UY33597A (es) 2010-09-09 2012-04-30 Irm Llc Compuestos y composiciones como inhibidores de la trk
US20130324526A1 (en) 2011-02-10 2013-12-05 Novartis Ag [1,2,4] triazolo [4,3-b] pyridazine compounds as inhibitors of the c-met tyrosine kinase
EP2678016B1 (en) 2011-02-23 2016-08-10 Intellikine, LLC Heterocyclic compounds and uses thereof
SG192795A1 (en) 2011-02-25 2013-09-30 Irm Llc Compounds and compositions as trk inhibitors
AU2012310168B2 (en) 2011-09-15 2015-07-16 Novartis Ag 6 - substituted 3 - (quinolin- 6 - ylthio) - [1,2,4] triazolo [4, 3 -a] pyradines as tyrosine kinase
US9174994B2 (en) 2011-11-23 2015-11-03 Intellikine, Llc Enhanced treatment regimens using mTor inhibitors
CN105968110B (zh) 2011-12-09 2018-04-27 奇斯药制品公司 激酶抑制剂
CN103974953B (zh) 2011-12-09 2016-06-29 奇斯药制品公司 激酶抑制剂
CN103987708B (zh) 2011-12-09 2016-06-22 奇斯药制品公司 4-羟基-1,2,3,4-四氢萘-1-基脲的衍生物及其在呼吸道疾病治疗中的用途
KR102115047B1 (ko) 2012-04-03 2020-05-26 노파르티스 아게 티로신 키나제 억제제들을 갖는 조합 제품 및 그의 용도
MD20140130A2 (ro) 2012-06-29 2015-04-30 Pfizer Inc. 4-(amino-substituite)-7H-pirolo[2,3-d]pirimidine noi ca inhibitori de LRRK2
CN105246482A (zh) 2013-03-15 2016-01-13 因特利凯有限责任公司 激酶抑制剂的组合及其用途
WO2014195402A1 (en) 2013-06-06 2014-12-11 Chiesi Farmaceutici S.P.A. Kinase inhibitors
KR20160050080A (ko) 2013-09-05 2016-05-10 에프. 호프만-라 로슈 아게 트라이아졸로피리딘 화합물, 이의 조성물 및 사용 방법
TW201605450A (zh) 2013-12-03 2016-02-16 諾華公司 Mdm2抑制劑與BRAF抑制劑之組合及其用途
WO2015092592A1 (en) 2013-12-17 2015-06-25 Pfizer Inc. Novel 3,4-disubstituted-1h-pyrrolo[2,3-b]pyridines and 4,5-disubstituted-7h-pyrrolo[2,3-c]pyridazines as lrrk2 inhibitors
WO2016011658A1 (en) 2014-07-25 2016-01-28 Novartis Ag Combination therapy
WO2016016822A1 (en) 2014-07-31 2016-02-04 Novartis Ag Combination therapy
WO2016139212A1 (en) 2015-03-04 2016-09-09 F. Hoffmann-La Roche Ag Triazolopyridine compounds and methods of use thereof
RU2722149C1 (ru) 2015-09-14 2020-05-27 Пфайзер Инк. Новые производные имидазо[4,5-c] хинолинов и имидазо[4,5-c][1,5] нафтиридинов в качестве ингибиторов LRRK2
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EP3394058B1 (en) 2015-12-23 2020-10-14 Chiesi Farmaceutici S.p.A. N-[3-(3-{4-[[1,2,4]triazolo[4,3-a]pyridin-6-yloxy]-1,2,3,4-tetrahydro-naphthalen-1-yl} -ureido)-phenyl]-methanesulfonamide derivatives and their use as p38 mapk inhibitors
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US10364245B2 (en) 2017-06-07 2019-07-30 Chiesi Farmaceutici S.P.A. Kinase inhibitors
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MA56518A (fr) 2019-06-18 2022-04-27 Hoffmann La Roche Inhibiteurs de sulfone pyrazolopyrimidine de jak kinases et leurs utilisations
TW202115069A (zh) 2019-06-18 2021-04-16 瑞士商赫孚孟拉羅股份公司 Jak激酶之經四唑取代之吡唑并嘧啶抑制劑及其用途
TW202140550A (zh) 2020-01-29 2021-11-01 瑞士商諾華公司 使用抗tslp抗體治療炎性或阻塞性氣道疾病之方法
CN117343119A (zh) * 2022-06-29 2024-01-05 上海交通大学 一种烷基化核苷、核苷酸、寡核苷酸及其类似物的制备方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5674998A (en) * 1989-09-15 1997-10-07 Gensia Inc. C-4' modified adenosine kinase inhibitors
US5726302A (en) * 1989-09-15 1998-03-10 Gensia Inc. Water soluble adenosine kinase inhibitors

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61207400A (ja) * 1985-03-11 1986-09-13 Nippon Zoki Pharmaceut Co Ltd ヌクレオシド化合物の製造方法
US4751292A (en) 1985-07-02 1988-06-14 The Plant Cell Research Institute, Inc. Adamantyl purines
US4859677A (en) 1987-04-17 1989-08-22 University Of Kansas Nucleoside analogues having antiviral activity
US5246931A (en) 1988-10-25 1993-09-21 Bristol-Myers Squibb Company Carbocyclic nucleoside analogs
US5688778A (en) 1989-05-15 1997-11-18 Institute Of Organic Chemistry And Biochemistry Of The Academy Of Sciences Of The Czech Republic Nucleoside analogs
GB8916480D0 (en) 1989-07-19 1989-09-06 Glaxo Group Ltd Chemical process
US5763596A (en) 1989-09-15 1998-06-09 Metabasis Therapeutics, Inc. C-4' modified adenosine kinase inhibitors
US5276151A (en) 1990-02-01 1994-01-04 Emory University Method of synthesis of 1,3-dioxolane nucleosides
US5470857A (en) 1990-09-14 1995-11-28 Marion Merrell Dow Inc. Carbocyclic nucleoside analogs useful as immunosuppressants
SE9003151D0 (sv) 1990-10-02 1990-10-02 Medivir Ab Nucleoside derivatives
ZA923640B (en) 1991-05-21 1993-02-24 Iaf Biochem Int Processes for the diastereoselective synthesis of nucleosides
GB9204015D0 (en) 1992-02-25 1992-04-08 Wellcome Found Therapeutic nucleosides
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
AU3086495A (en) * 1994-08-02 1996-03-04 Banyu Pharmaceutical Co., Ltd. Antitumor indolopyrrolocarbazoles
US5659023A (en) 1995-02-01 1997-08-19 Gilead Sciences, Inc. Nucleotide analogues
WO1997027204A1 (en) 1996-01-23 1997-07-31 The Regents Of The University Of Michigan Modified benzimidazole nucleosides as antiviral agents

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5674998A (en) * 1989-09-15 1997-10-07 Gensia Inc. C-4' modified adenosine kinase inhibitors
US5726302A (en) * 1989-09-15 1998-03-10 Gensia Inc. Water soluble adenosine kinase inhibitors

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
1. F. SEELA et al. "2,4-Disubstituted pyirolo(2,3-d)pyrimidine α-D and β-D Ribofuranosides Related to 7-Deaza-guanosine", Helv. Chim. Acta, 1990, v.73, p. 1879- 1887. 2. *
4. МИХАЙЛОВ С.Н. Использование 2,3-O-изопропилиден-D-рибофуранозы в синтезе нуклеозидов. Стереоселективное образование β- и α-нуклеозидов./ Биоорганич. химия, 1984, т. 10, №7, с. 940-945. 5. KONDO Т. et al. "Total synthesis of candiguomycin, a nucleoside antibiotic, produced by Streptomyces hydroscopicus" Tetrahedron, 1986, v. 42, №1, p. 1999-205. *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2407747C2 (ru) * 2004-07-21 2010-12-27 Фармассет, Инк. Способ получения алкилзамещенных 2-дезокси-2-фтор-d-рибофуранозил-пиримидинов и пуринов и их производных

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PL340109A1 (en) 2000-11-20
HU0001843D0 (en) 2000-07-28
EP1052264A3 (en) 2001-06-13
JP2001011092A (ja) 2001-01-16
HUP0001843A3 (en) 2001-09-28
AR028991A1 (es) 2003-06-04
TR200001340A2 (tr) 2000-12-21
IL136027A0 (en) 2001-05-20
US6271370B1 (en) 2001-08-07
KR100403900B1 (ko) 2003-11-01
DE60018833D1 (de) 2005-04-28
EP1052264B1 (en) 2005-03-23
EP1052264A2 (en) 2000-11-15
IN186850B (enExample) 2001-11-24
ATE291582T1 (de) 2005-04-15
ZA200002263B (en) 2001-12-24
CA2307951A1 (en) 2000-11-11
ID25992A (id) 2000-11-16
BR0002089A (pt) 2001-01-02
CZ20001710A3 (cs) 2001-09-12
MXPA00004532A (es) 2002-03-08
AU3401100A (en) 2000-11-16
YU25500A (sh) 2003-08-29
HUP0001843A2 (hu) 2001-06-28
CN1275575A (zh) 2000-12-06
KR20010069193A (ko) 2001-07-23

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