RU97110266A - Способ очистки и выделения 2'-дезокси-2',3'-дифторнуклеозидов - Google Patents
Способ очистки и выделения 2'-дезокси-2',3'-дифторнуклеозидовInfo
- Publication number
- RU97110266A RU97110266A RU97110266/04A RU97110266A RU97110266A RU 97110266 A RU97110266 A RU 97110266A RU 97110266/04 A RU97110266/04 A RU 97110266/04A RU 97110266 A RU97110266 A RU 97110266A RU 97110266 A RU97110266 A RU 97110266A
- Authority
- RU
- Russia
- Prior art keywords
- nucleoside
- formula
- enriched
- anomer
- beta
- Prior art date
Links
- 239000002777 nucleoside Substances 0.000 title claims 6
- 238000000605 extraction Methods 0.000 title claims 2
- 238000004140 cleaning Methods 0.000 title 1
- 150000003833 nucleoside derivatives Chemical class 0.000 claims 5
- WEVYAHXRMPXWCK-UHFFFAOYSA-N acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 claims 4
- 239000000203 mixture Substances 0.000 claims 4
- XEKOWRVHYACXOJ-UHFFFAOYSA-N acetic acid ethyl ester Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims 3
- 238000000746 purification Methods 0.000 claims 3
- 239000011541 reaction mixture Substances 0.000 claims 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N HCl Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims 2
- 230000002378 acidificating Effects 0.000 claims 2
- 239000011260 aqueous acid Substances 0.000 claims 2
- 239000000047 product Substances 0.000 claims 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims 2
- 238000009835 boiling Methods 0.000 claims 1
- 238000007865 diluting Methods 0.000 claims 1
- 150000002148 esters Chemical class 0.000 claims 1
- 150000002170 ethers Chemical class 0.000 claims 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 1
- 229910052739 hydrogen Inorganic materials 0.000 claims 1
- 239000001257 hydrogen Substances 0.000 claims 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims 1
- 238000002955 isolation Methods 0.000 claims 1
- 150000002825 nitriles Chemical class 0.000 claims 1
- 239000003960 organic solvent Substances 0.000 claims 1
- 239000002244 precipitate Substances 0.000 claims 1
- 238000001556 precipitation Methods 0.000 claims 1
- 125000006239 protecting group Chemical group 0.000 claims 1
- 239000012264 purified product Substances 0.000 claims 1
- 238000004064 recycling Methods 0.000 claims 1
- 239000002904 solvent Substances 0.000 claims 1
Claims (8)
1. Способ очистки и выделения нуклеозида, обогащенного бета-аномером, включающий:
a) получение смеси, содержащей R'', и обогащенный бета-аномером нуклеозид формулы IB
где каждый X независимо выбирают из гидроксизащитных групп, и R' представляет нуклеиновое основание формулы
где W представляет аминозащитную группу; и R'' представляет нуклеиновое основание формулы
где W' представляет аминозащитную группу или водород; в высококипящем растворителе;
b) разбавление смеси органическим растворителем, выбранным из группы, состоящей из простых эфиров, сложных эфиров и нитрилов;
c) добавление разбавленной реакционной смеси в водную кислоту; и
d) выдерживание полученной кислой смеси при температуре от 70 до 100oC, до тех пор, пока не осадится продукт формулы IB, где W представляет собой теперь W'.
a) получение смеси, содержащей R'', и обогащенный бета-аномером нуклеозид формулы IB
где каждый X независимо выбирают из гидроксизащитных групп, и R' представляет нуклеиновое основание формулы
где W представляет аминозащитную группу; и R'' представляет нуклеиновое основание формулы
где W' представляет аминозащитную группу или водород; в высококипящем растворителе;
b) разбавление смеси органическим растворителем, выбранным из группы, состоящей из простых эфиров, сложных эфиров и нитрилов;
c) добавление разбавленной реакционной смеси в водную кислоту; и
d) выдерживание полученной кислой смеси при температуре от 70 до 100oC, до тех пор, пока не осадится продукт формулы IB, где W представляет собой теперь W'.
2. Способ по п.1, где реакционную смесь разбавляют ацетонитрилом, этилацетатом и тетрагидрофураном.
3. Способ по п.2, где реакционную смесь разбавляют ацетонитрилом.
4. Способ по п.1, где водная кислота представляет собой 1 - 6 н соляную кислоту.
5. Способ по п.1, где кислую смесь перемешивают во время осаждения продукта.
6. Способ по п. 1, дополнительно включающий деблокирование очищенного продукта формулы IB для образования нуклеозида, который представляет собой 1-(2'-деокси-2',2'-дифтор-D-рибофуранозил)-4- аминопиримидин-2-он.
7. Способ очистки нуклеозида, обогащенного бета-аномером, описанного в настоящем изобретении и проиллюстрированного примером.
8. Способ очистки нуклеозида, обогащенного бета-аномером, описанного в настоящем изобретении и проиллюстрированного примером, дополнительно включающий
(e) стадию извлечения R'' для последующей рециркуляции.
(e) стадию извлечения R'' для последующей рециркуляции.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/340,972 | 1994-11-17 | ||
US08/340,972 US5606048A (en) | 1992-06-22 | 1994-11-17 | Stereoselective glycosylation process for preparing 2'-Deoxy-2', 2'-difluoronucleosides and 2'-deoxy-2'-fluoronucleosides |
Publications (2)
Publication Number | Publication Date |
---|---|
RU97110266A true RU97110266A (ru) | 1999-05-20 |
RU2161622C2 RU2161622C2 (ru) | 2001-01-10 |
Family
ID=23335711
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU97110266/04A RU2161622C2 (ru) | 1994-11-17 | 1995-11-01 | Способ очистки и выделения 2'-дезокси-2',2'-дифторнуклеозидов |
Country Status (34)
Country | Link |
---|---|
US (1) | US5606048A (ru) |
EP (1) | EP0712860B1 (ru) |
JP (1) | JPH10509170A (ru) |
KR (1) | KR100424990B1 (ru) |
CN (1) | CN1044119C (ru) |
AR (1) | AR001045A1 (ru) |
AT (1) | ATE210142T1 (ru) |
AU (1) | AU702588B2 (ru) |
BG (1) | BG62737B1 (ru) |
BR (1) | BR9509904A (ru) |
CA (1) | CA2205350C (ru) |
CO (1) | CO4600741A1 (ru) |
CZ (1) | CZ292013B6 (ru) |
DE (1) | DE69524365T2 (ru) |
DK (1) | DK0712860T3 (ru) |
ES (1) | ES2164745T3 (ru) |
HU (1) | HU219019B (ru) |
IL (1) | IL115854A (ru) |
MX (1) | MX9703548A (ru) |
MY (1) | MY115183A (ru) |
NO (1) | NO308305B1 (ru) |
NZ (1) | NZ296712A (ru) |
PE (1) | PE50196A1 (ru) |
PL (1) | PL182052B1 (ru) |
PT (1) | PT712860E (ru) |
RO (1) | RO118296B1 (ru) |
RU (1) | RU2161622C2 (ru) |
SI (1) | SI0712860T1 (ru) |
SK (1) | SK283160B6 (ru) |
TW (1) | TW377356B (ru) |
UA (1) | UA53614C2 (ru) |
WO (1) | WO1996016072A1 (ru) |
YU (1) | YU49446B (ru) |
ZA (1) | ZA959321B (ru) |
Families Citing this family (45)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6326507B1 (en) * | 1998-06-19 | 2001-12-04 | Trustees Of Dartmouth College | Therapeutic compounds and methods of use |
MY164523A (en) * | 2000-05-23 | 2017-12-29 | Univ Degli Studi Cagliari | Methods and compositions for treating hepatitis c virus |
EP1736478B1 (en) * | 2000-05-26 | 2015-07-22 | IDENIX Pharmaceuticals, Inc. | Methods and compositions for treating flaviviruses and pestiviruses |
US7435755B2 (en) * | 2000-11-28 | 2008-10-14 | The Trustees Of Dartmouth College | CDDO-compounds and combination therapies thereof |
US7176237B2 (en) * | 2002-01-15 | 2007-02-13 | The Trustees Of Dartmouth College | Tricyclic-bis-enone derivatives and methods of use thereof |
CN101172993A (zh) * | 2002-06-28 | 2008-05-07 | 埃迪尼克斯(开曼)有限公司 | 用于治疗黄病毒感染的2′-c-甲基-3′-o-l-缬氨酸酯核糖呋喃基胞苷 |
US7608600B2 (en) * | 2002-06-28 | 2009-10-27 | Idenix Pharmaceuticals, Inc. | Modified 2′ and 3′-nucleoside prodrugs for treating Flaviviridae infections |
MXPA04012802A (es) * | 2002-06-28 | 2005-04-19 | Idenix Cayman Ltd | Ester 2'-c-metil-3'-o-l-valina de ribofuranosil-citidina para el tratamiento de infecciones por flaviviridae. |
AU2003291726A1 (en) * | 2002-11-04 | 2004-06-07 | Xenoport, Inc. | Gemcitabine prodrugs, pharmaceutical compositions and uses thereof |
MXPA05005192A (es) * | 2002-11-15 | 2005-09-08 | Idenix Cayman Ltd | Nucleosidos ramificados en la posicion 2' y mutacion de flaviviridae. |
CA2509687C (en) * | 2002-12-12 | 2012-08-14 | Idenix (Cayman) Limited | Process for the production of 2'-branched nucleosides |
WO2006000922A2 (en) * | 2004-06-23 | 2006-01-05 | Idenix (Cayman) Limited | 5-aza-7-deazapurine derivatives for treating infections with flaviviridae |
US7214791B2 (en) * | 2004-07-01 | 2007-05-08 | Shenzhen Hande Technology Co., Ltd. | Method for preparation of 2′-deoxy-2′, 2′-difluoro-β-cytidine or pharmaceutically acceptable salts thereof by using 1,6-anhydro-β-d-glucose as raw material |
TW200634022A (en) * | 2004-12-08 | 2006-10-01 | Sicor Inc | Difluoronucleosides and process for preparation thereof |
WO2006070985A1 (en) * | 2004-12-30 | 2006-07-06 | Hanmi Pharm. Co., Ltd. | METHOD FOR THE PREPARATION OF 2#-DEOXY-2#,2#-DIFLUOROCYTIDINE |
AU2005320374B2 (en) * | 2004-12-30 | 2009-01-08 | Hanmi Science Co., Ltd. | Method for the preparation of 2'-deoxy-2',2'-difluorocytidine |
GEP20094822B (en) * | 2005-03-04 | 2009-11-10 | Dabur Pharma Ltd | Intermediate and process for preparing of beta- anomer enriched 21-deoxy, 21, 21-difluoro-d-ribofuranosyl nucleosides |
JP4516863B2 (ja) * | 2005-03-11 | 2010-08-04 | 株式会社ケンウッド | 音声合成装置、音声合成方法及びプログラム |
MX2007015174A (es) * | 2005-06-03 | 2008-04-22 | Scinopharm Taiwan Ltd | Proceso para elaborar un sulfonato de 2-desoxi-2,2-difluoro-d-ribo furanosilo enriquecido con alfa-anomero y su uso para elaborar beta nucleosido. |
AU2011202539B2 (en) * | 2005-06-03 | 2012-07-05 | Scinopharm Taiwan, Ltd. | Process of making an alpha-anomer enriched 2-deoxy-2,2-difluoro-d-ribofuranosyl sulfonate and use thereof for making a beta nucleoside |
WO2007049294A1 (en) * | 2005-10-28 | 2007-05-03 | Arch Pharmalabs Limited | An improved process for preparation of gemcitabine hydrochloride. |
ES2422290T3 (es) * | 2005-12-23 | 2013-09-10 | Idenix Pharmaceuticals Inc | Procedimiento para preparar un producto intermedio sintético para la preparación de nucleósidos ramificados |
EP1994042A4 (en) * | 2006-02-06 | 2009-03-18 | Reddys Lab Ltd Dr | PREPARATION OF GEMCITABINE |
US8299046B2 (en) * | 2006-11-17 | 2012-10-30 | Trustees Of Dartmouth College | Synthetic triterpenoids and tricyclic-bis-enones for use in stimulating bone and cartilage growth |
WO2008064133A1 (en) * | 2006-11-17 | 2008-05-29 | Trustees Of Dartmouth College | Synthesis and biological activities of new tricyclic-bis-enones (tbes) |
US8921340B2 (en) | 2006-11-17 | 2014-12-30 | Trustees Of Dartmouth College | Methods for using synthetic triterpenoids in the treatment of bone or cartilage diseases or conditions |
US7994310B2 (en) * | 2007-03-23 | 2011-08-09 | Dongwoo Syntech Co., Ltd. | Process for preparing 2′-deoxy-2′, 2′-difluorocytidine |
CN100475832C (zh) * | 2007-05-31 | 2009-04-08 | 南京卡文迪许生物工程技术有限公司 | 一种新颖的高立体选择性合成吉西他滨工艺及中间体 |
US20090048205A1 (en) * | 2007-08-15 | 2009-02-19 | Colin Meyer | Combination therapy with synthetic triterpenoids and gemcitabine |
EP2050757A1 (en) | 2007-10-10 | 2009-04-22 | Cilag AG | Method of producing 2' -deoxy-5-azacytidine (Decitabine) |
JO2778B1 (en) | 2007-10-16 | 2014-03-15 | ايساي انك | Certain vehicles, installations and methods |
JP4923146B2 (ja) * | 2008-01-11 | 2012-04-25 | リアタ ファーマシューティカルズ インコーポレイテッド | 合成トリテルペノイドおよび疾患の治療における使用方法 |
JP5564490B2 (ja) * | 2008-04-18 | 2014-07-30 | リアタ ファーマシューティカルズ インコーポレイテッド | 抗炎症性ファルマコアを含む化合物および使用法 |
EP2271658B1 (en) | 2008-04-18 | 2016-11-09 | Reata Pharmaceuticals, Inc. | Antioxidant inflammation modulators: c-17 homologated oleanolic acid derivatives |
WO2009146216A2 (en) | 2008-04-18 | 2009-12-03 | Reata Pharmaceuticals. Inc. | Antioxidant inflammation modulators: novel derivatives of oleanolic acid |
CN102164941B (zh) | 2008-04-18 | 2015-05-27 | 里亚塔医药公司 | 抗氧化剂炎症调节剂:具有饱和c环的齐墩果酸衍生物 |
ES2703274T3 (es) | 2008-04-18 | 2019-03-07 | Reata Pharmaceuticals Inc | Moduladores de la inflamación antioxidantes: derivados del ácido oleanólico con modificaciones amino y otras en C-17 |
US8314137B2 (en) | 2008-07-22 | 2012-11-20 | Trustess Of Dartmouth College | Monocyclic cyanoenones and methods of use thereof |
TWI477508B (zh) * | 2009-04-06 | 2015-03-21 | Otsuka Pharma Co Ltd | 用以治療癌症之組成物及方法 |
US8609631B2 (en) | 2009-04-06 | 2013-12-17 | Eisai Inc. | Compositions and methods for treating cancer |
EP2416781B1 (en) * | 2009-04-06 | 2017-03-08 | Otsuka Pharmaceutical Co., Ltd. | Combination of cytidine-based antineoplastic drugs with cytidine deaminase inhibitor and use thereof in the treatment of cancer |
JP5730854B2 (ja) * | 2009-04-06 | 2015-06-10 | 大塚製薬株式会社 | デシタビンとシチジンデアミナーゼ阻害剤との組合せ、およびがんの治療におけるその使用 |
SI2833905T1 (en) | 2012-04-04 | 2018-08-31 | Halozyme, Inc. | Combination therapy with hyaluronidase and tumane-directed taxane |
US8921419B2 (en) | 2012-05-08 | 2014-12-30 | Trustees Of Dartmouth College | Triterpenoids and compositions containing the same |
US20190351031A1 (en) | 2018-05-16 | 2019-11-21 | Halozyme, Inc. | Methods of selecting subjects for combination cancer therapy with a polymer-conjugated soluble ph20 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3282921A (en) * | 1964-06-04 | 1966-11-01 | Syntex Corp | Halo-deoxynucleosides and processes for the preparation thereof |
US3721664A (en) * | 1970-01-27 | 1973-03-20 | Hoffmann La Roche | Preparation of 5-cytosine nucleosides |
DE2628202A1 (de) * | 1976-06-23 | 1977-12-29 | Max Planck Gesellschaft | Verfahren zur herstellung von 2'-substituierten-d-ribofuranosylpurinderivaten |
DE2721466A1 (de) * | 1977-05-12 | 1978-11-16 | Robugen Gmbh | Verfahren zur herstellung von 2'-desoxyribofuranosylnucleosiden |
US4211773A (en) * | 1978-10-02 | 1980-07-08 | Sloan Kettering Institute For Cancer Research | 5-Substituted 1-(2'-Deoxy-2'-substituted-β-D-arabinofuranosyl)pyrimidine nucleosides |
FI832884A (fi) * | 1982-08-17 | 1984-02-18 | Sandoz Ag | Desoxiuridinderivat, deras framstaellningsfoerfaranden och anvaendning som farmaceutiska medel |
US4526988A (en) * | 1983-03-10 | 1985-07-02 | Eli Lilly And Company | Difluoro antivirals and intermediate therefor |
US4625020A (en) * | 1983-11-18 | 1986-11-25 | Bristol-Myers Company | Nucleoside process |
CA1295998C (en) * | 1985-07-29 | 1992-02-18 | Sai P. Sunkara | Nucleosides and their use as antineoplastic agents |
US4751221A (en) * | 1985-10-18 | 1988-06-14 | Sloan-Kettering Institute For Cancer Research | 2-fluoro-arabinofuranosyl purine nucleosides |
US5223608A (en) * | 1987-08-28 | 1993-06-29 | Eli Lilly And Company | Process for and intermediates of 2',2'-difluoronucleosides |
US4965374A (en) * | 1987-08-28 | 1990-10-23 | Eli Lilly And Company | Process for and intermediates of 2',2'-difluoronucleosides |
EP0339161A1 (en) * | 1988-04-01 | 1989-11-02 | Merrell Dow Pharmaceuticals Inc. | Novel fluorophosphonate nucleotide derivatives |
JPH0232093A (ja) * | 1988-06-08 | 1990-02-01 | Merrell Dow Pharmaceut Inc | 抗レトロウィルスジフルオロ化ヌクレオシド類 |
HU906976D0 (en) * | 1989-11-13 | 1991-05-28 | Bristol Myers Squibb Co | Process for producing 2', 3'-didesoxy-2'-fluoarabinonucleoside analogues |
US5175267A (en) * | 1990-03-02 | 1992-12-29 | University Of Georgia Research Foundation, Inc. | Stereoselective glycosylation of hetercyclic bases |
US5401838A (en) * | 1992-06-22 | 1995-03-28 | Eli Lilly And Company | Stereoselective fusion glycosylation process for preparing 2'-deoxy-2',2'-difluoronucleosides and 2'-deoxy-2'-fluoronucleosides |
UA41261C2 (uk) * | 1992-06-22 | 2001-09-17 | Елі Ліллі Енд Компані | Спосіб одержання збагачених бета-аномером нуклеозидів |
US5426183A (en) * | 1992-06-22 | 1995-06-20 | Eli Lilly And Company | Catalytic stereoselective glycosylation process for preparing 2'-deoxy-2',2'-difluoronucleosides and 2'-deoxy-2'-fluoronucleosides |
US5371210A (en) * | 1992-06-22 | 1994-12-06 | Eli Lilly And Company | Stereoselective fusion glycosylation process for preparing 2'-deoxy-2',2'-difluoronucleosides and 2'-deoxy-2'-fluoronucleosides |
-
1994
- 1994-11-17 US US08/340,972 patent/US5606048A/en not_active Expired - Lifetime
-
1995
- 1995-01-11 UA UA97052227A patent/UA53614C2/ru unknown
- 1995-11-01 SK SK485-97A patent/SK283160B6/sk not_active IP Right Cessation
- 1995-11-01 AU AU41393/96A patent/AU702588B2/en not_active Ceased
- 1995-11-01 RU RU97110266/04A patent/RU2161622C2/ru not_active IP Right Cessation
- 1995-11-01 KR KR1019970703223A patent/KR100424990B1/ko not_active IP Right Cessation
- 1995-11-01 PL PL95320634A patent/PL182052B1/pl unknown
- 1995-11-01 BR BR9509904A patent/BR9509904A/pt not_active Application Discontinuation
- 1995-11-01 RO RO97-00898A patent/RO118296B1/ro unknown
- 1995-11-01 WO PCT/US1995/014086 patent/WO1996016072A1/en active IP Right Grant
- 1995-11-01 JP JP8516877A patent/JPH10509170A/ja not_active Ceased
- 1995-11-01 MX MX9703548A patent/MX9703548A/es unknown
- 1995-11-01 CZ CZ19971481A patent/CZ292013B6/cs not_active IP Right Cessation
- 1995-11-01 HU HU9800819A patent/HU219019B/hu not_active IP Right Cessation
- 1995-11-01 CA CA002205350A patent/CA2205350C/en not_active Expired - Fee Related
- 1995-11-01 NZ NZ296712A patent/NZ296712A/xx not_active IP Right Cessation
- 1995-11-01 CN CN95196272A patent/CN1044119C/zh not_active Expired - Fee Related
- 1995-11-02 IL IL11585495A patent/IL115854A/xx not_active IP Right Cessation
- 1995-11-03 MY MYPI95003339A patent/MY115183A/en unknown
- 1995-11-03 ZA ZA959321A patent/ZA959321B/xx unknown
- 1995-11-09 SI SI9530573T patent/SI0712860T1/xx unknown
- 1995-11-09 ES ES95308034T patent/ES2164745T3/es not_active Expired - Lifetime
- 1995-11-09 AT AT95308034T patent/ATE210142T1/de active
- 1995-11-09 EP EP95308034A patent/EP0712860B1/en not_active Expired - Lifetime
- 1995-11-09 PT PT95308034T patent/PT712860E/pt unknown
- 1995-11-09 DE DE69524365T patent/DE69524365T2/de not_active Expired - Lifetime
- 1995-11-09 DK DK95308034T patent/DK0712860T3/da active
- 1995-11-09 AR AR33417195A patent/AR001045A1/es unknown
- 1995-11-10 PE PE1995284282A patent/PE50196A1/es not_active IP Right Cessation
- 1995-11-13 YU YU70995A patent/YU49446B/sh unknown
- 1995-11-14 TW TW084112040A patent/TW377356B/zh not_active IP Right Cessation
- 1995-11-14 CO CO95053588A patent/CO4600741A1/es unknown
-
1997
- 1997-05-14 NO NO972214A patent/NO308305B1/no not_active IP Right Cessation
- 1997-05-14 BG BG101485A patent/BG62737B1/bg unknown
Similar Documents
Publication | Publication Date | Title |
---|---|---|
RU97110266A (ru) | Способ очистки и выделения 2'-дезокси-2',3'-дифторнуклеозидов | |
KR970707143A (ko) | 2'-데옥시-2', 2'-디플루오로뉴클레오시드의 단리 및 정제 방법(Process for Purifying and lsolating 2´-Deoxy-2´, 2´-Difluoronucleosides) | |
EP0717748B1 (fr) | Composes 2' ou 3'-deoxy- et 2', 3'-dideoxy-beta-l-pentofuranonucleosides, procede de preparation et application therapeutique, notamment anti-virale | |
Gaffney et al. | Synthesis of O-6-alkylated deoxyguanosine nucleosides | |
MXPA97003548A (es) | Proceso para purificar y aislar 2'-desoxi-2',2'-difluoronucleosidos | |
KR880000408A (ko) | 알키닐 아미노 누클레오티드 | |
Pitsch | An Efficient Synthesis of Enantiomeric Ribonucleic Acids from D‐Glucose | |
JPH069680A (ja) | 2’−フルオロ−2’,3’−ジデオキシピリミジンヌクレオシド | |
IL88330A (en) | 2, (3-Didhaoxy- (2-fluoronucleosides, their preparation and pharmaceutical preparations containing them) | |
PL81167B1 (ru) | ||
EP0567841A2 (de) | Fluoreszenzmarkierte Verbindungen, ihre Herstellung und Verwendung | |
KR940005656A (ko) | 항 바이러스 및 항암 활성을 갖는 2'-데옥시-2', 2'-디플루오로(2,6,8-치환된) 퓨린 뉴클레오시드 및 중간체 | |
Katagiri et al. | Synthesis of (1R, 4S, 5R)-9-(4, 5-bishydroxy-methylcyclopent-2-en-1-yl)-9H-adenine [(-)-BCA] and selective inhibition of human immunodeficiency virus | |
US20020120130A1 (en) | 2' or 3' -deoxy and 2', 3' -dideoxy-beta-L-pentofuranonucleo-side compounds, method of preparation and application in therapy, especially as anti- viral agents | |
Ogawa et al. | A Convenient Approach to the Synthesis of Azido-Acyclic Nucleosides | |
ITMI952333A1 (it) | Procedimento per la preparazine di 9-((2-idrossietossi)metil) guanina | |
Kim et al. | Synthesis and Biological Activity of Ara and 2′-Deoxycyclopentenyl Cytosine Nucleoside Analogues | |
TH22654A (th) | กระบวนการสำหรับการทำให้บริสุทธิ์และการแยก 2'-ดีออกซี-2',2'-ไดฟลูออโรนิวคลิโอไซด์ | |
Pfister et al. | Synthesis of 2′-Op-Nitrophenylethylsulfonyl-Ribonucleosides | |
WO2000039144A1 (fr) | Procede de preparation de derives fluores de nucleosides et de sucres | |
TH20911B (th) | กระบวนการสำหรับการทำให้บริสุทธิ์และการแยก 2'-ดีออกซี-2',2'-ไดฟลูออโรนิวคลิโอไซด์ | |
JPS6422894A (en) | Nulceosides | |
WO2008026222A2 (en) | Process and intermediates of 2,2' difluoronucleosides | |
RU93043619A (ru) | Производные нуклеиновой кислоты, способ их получения, фармацевтическая композиция и способ лечения | |
KR960014151A (ko) | 새로운 뉴클레오시드 유도체 및 그의 제조 방법 |