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) |
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-
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 PL PL95320634A patent/PL182052B1/pl unknown
- 1995-11-01 CN CN95196272A patent/CN1044119C/zh not_active Expired - Fee Related
- 1995-11-01 CZ CZ19971481A patent/CZ292013B6/cs not_active IP Right Cessation
- 1995-11-01 BR BR9509904A patent/BR9509904A/pt not_active Application Discontinuation
- 1995-11-01 AU AU41393/96A patent/AU702588B2/en not_active Ceased
- 1995-11-01 MX MX9703548A patent/MX9703548A/es unknown
- 1995-11-01 CA CA002205350A patent/CA2205350C/en not_active Expired - Fee Related
- 1995-11-01 SK SK485-97A patent/SK283160B6/sk not_active IP Right Cessation
- 1995-11-01 HU HU9800819A patent/HU219019B/hu not_active IP Right Cessation
- 1995-11-01 RO RO97-00898A patent/RO118296B1/ro unknown
- 1995-11-01 JP JP8516877A patent/JPH10509170A/ja not_active Ceased
- 1995-11-01 WO PCT/US1995/014086 patent/WO1996016072A1/en active IP Right Grant
- 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 NZ NZ296712A patent/NZ296712A/xx not_active IP Right Cessation
- 1995-11-02 IL IL11585495A patent/IL115854A/xx not_active IP Right Cessation
- 1995-11-03 ZA ZA959321A patent/ZA959321B/xx unknown
- 1995-11-03 MY MYPI95003339A patent/MY115183A/en unknown
- 1995-11-09 SI SI9530573T patent/SI0712860T1/xx unknown
- 1995-11-09 AT AT95308034T patent/ATE210142T1/de active
- 1995-11-09 DK DK95308034T patent/DK0712860T3/da active
- 1995-11-09 ES ES95308034T patent/ES2164745T3/es not_active Expired - Lifetime
- 1995-11-09 PT PT95308034T patent/PT712860E/pt unknown
- 1995-11-09 AR AR33417195A patent/AR001045A1/es unknown
- 1995-11-09 DE DE69524365T patent/DE69524365T2/de not_active Expired - Lifetime
- 1995-11-09 EP EP95308034A patent/EP0712860B1/en not_active Expired - Lifetime
- 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 BG BG101485A patent/BG62737B1/bg unknown
- 1997-05-14 NO NO972214A patent/NO308305B1/no not_active IP Right Cessation
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