Patents

Description

PROCEDEU DE PREPARARE SELECTIVĂ A IZOMERULUI Z AL 3-(2-VINIL SUBSTITUIT)-CEFALOSPORINEI

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Interest:

Assignment

Publication info:

No.: RO120261

Date: 30.11.2005

Inventor(s):

OKADA YUMIKO [JP]

SUKEGAWA MASAMICHI [JP]

WATANABE TATSUO [JP]

IWASAWA HIROYUKI [JP]

MURAI YASUSHI [JP]

IINUMA KATSUHARU [JP]

Applicant(s):
MEIJI SEIKA KAISHA [JP]
Classification:
International patent classification (IPC):
A61K31/545; C07D501/00; C07D501/04; C07D501/12; C07D501/24
Cooperative patent classification (CPC):
A61P31/00 (EP); A61P31/04 (EP); C07D501/00 (EP, US); C07D501/04 (KR); Y02P20/55 (EP, US)
Application info:
No.: RO19990001373
Date: 24.06.1998
Priority number(s):
JP19970166948 24.06.1997 ; WO1998JP02820 24.06.1998
Related patents:
ATE221890; AU731265; AU7933198; BR9810313; CA2294178; CN1107679; CN1265662; CZ295599; CZ471899; DE69807093; EA002449; EA200000065; EP1016665; ES2182330; HU0002458; HU228767; ID24210; IL133681; JP3713282; KR100515273; KR20010014074; NZ502234; PL193367; PL339361; PT1016665; SK185799; SK283525; TR200000310; UA55463; US6288223; WO9858932
Description:

Prezenta invenţie se referă la un procedeu de preparare selectivă şi cu randament ridicat, a izomerului Z al unui acid 7-N-nesubstituit sau substituit -amino-3-[2-(4-tiazol-nesubstituit sau substituit-5-il]vinil]-3-cefem-4carboxilic sau a unui ester al acestuia, reprezentat prin formula generală (IV): (formula generală IV).

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