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公开(公告)号:JPH09110870A
公开(公告)日:1997-04-28
申请号:JP11586895
申请日:1995-05-15
Applicant: BIOHEMII SA
IPC: C07D205/08 , C07C279/04 , C07D205/085 , C07D417/06 , C07D417/12 , C07D477/00 , C07D477/08 , C07D487/04 , C07D498/04 , C07D501/00 , C07D501/18 , C07D501/20 , C07D501/22 , C07D501/36 , C07D501/57 , C07D505/00 , C07F9/568
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公开(公告)号:JPH082908B2
公开(公告)日:1996-01-17
申请号:JP4221787
申请日:1987-02-24
IPC: A61K31/545 , A61K31/546 , A61P31/04 , C07D501/04 , C07D501/18 , C07D501/20 , C07D501/24 , C07D501/26 , C07D501/46 , C07D519/06 , C07F7/10
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公开(公告)号:JPH07121950B2
公开(公告)日:1995-12-25
申请号:JP20520091
申请日:1991-08-15
IPC: A61K31/545 , A61K31/546 , A61P31/04 , B01J31/02 , C07B61/00 , C07D499/00 , C07D499/04 , C07D499/10 , C07D499/21 , C07D499/42 , C07D501/04 , C07D501/14 , C07D501/16 , C07D501/18 , C07D501/22 , C07D501/24 , C07D501/32 , C07D501/36 , C07D501/59 , C07D501/60 , C07D505/00 , C07D513/04
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公开(公告)号:JPH0730083B2
公开(公告)日:1995-04-05
申请号:JP16623187
申请日:1987-07-02
Applicant: HOFFMANN LA ROCHE
Inventor: HARII AREN ARUBUREHITO , KAAKON CHAN , DENISU DORUTON KIISU , RUDORUFU RUUTOBIHI TEN , MANFUREETO BAIGERE
IPC: C07D519/06 , A61K31/545 , A61K31/546 , A61K47/48 , A61P31/04 , C07D501/04 , C07D501/18 , C07D501/26 , C07D501/34 , C07D519/00
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公开(公告)号:JPH0680065B2
公开(公告)日:1994-10-12
申请号:JP13068892
申请日:1992-05-22
Applicant: HOECHST AG
Inventor: ERIIZABETO DEFUOOSA , GERUTO FUITSUSHAA , YOOAHIMUUHAINAA IENDORARA , RUUDORUFU RATORERU , TEEODOORU UORUMAN , DEIITAA IIZERUTO
IPC: A61K31/545 , A61K31/546 , A61P31/04 , C07B57/00 , C07D417/12 , C07D501/00 , C07D501/12 , C07D501/18 , C07D501/32 , C07D501/34
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公开(公告)号:JPH0680064B2
公开(公告)日:1994-10-12
申请号:JP15485293
申请日:1993-06-25
Applicant: FUJISAWA PHARMACEUTICAL CO
Inventor: TAKATANI TAKAO , SAKANE KAZUO , MYAI KENJI , KAWABATA KOJI
IPC: A61K31/545 , A61K31/425 , A61K31/546 , A61P31/04 , C07D20060101 , C07D501/00 , C07D501/04 , C07D501/06 , C07D501/18 , C07D501/38 , C07D501/46 , C07D501/56
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公开(公告)号:JPH0670068B2
公开(公告)日:1994-09-07
申请号:JP33681287
申请日:1987-12-28
IPC: A61K20060101 , A61K31/545 , A61K31/546 , A61P31/04 , C07D20060101 , C07D277/40 , C07D501/00 , C07D501/04 , C07D501/16 , C07D501/18 , C07D501/20 , C07D501/38 , C07D501/40 , C07D501/46 , C07D501/56 , C07D519/00
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公开(公告)号:JPH0649706B2
公开(公告)日:1994-06-29
申请号:JP20519491
申请日:1991-08-15
IPC: A61K31/545 , A61K31/546 , A61P31/04 , B01J31/02 , C07B61/00 , C07D499/00 , C07D499/04 , C07D499/10 , C07D499/21 , C07D499/42 , C07D501/04 , C07D501/14 , C07D501/16 , C07D501/18 , C07D501/22 , C07D501/24 , C07D501/32 , C07D501/36 , C07D501/59 , C07D501/60 , C07D505/00 , C07D513/04
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公开(公告)号:JPH0649704B2
公开(公告)日:1994-06-29
申请号:JP12903486
申请日:1986-06-02
IPC: C07D20060101 , C07D501/04 , C07D501/06 , C07D501/18 , C07D501/26
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公开(公告)号:JPH06145175A
公开(公告)日:1994-05-24
申请号:JP30107092
申请日:1992-11-11
Applicant: SANKYO ORGANIC CHEMICALS CO , SANKYO CO
Inventor: HIRAYAMA MASAO , SAYAMA SHUJI , WATANABE SETSUO , YAMAGUCHI KIYOMI , MIYAMOTO SHIGERU , KATO KEISUKE , SASAO TOMIO , IIJIMA SEISHI
IPC: C07D501/04 , C07D501/18
Abstract: PURPOSE:To efficiently produce the subject derivative of high purity, useful, e.g. as a raw material of cephalosporin-based antibiotics in a high yield without environmental pollution by reacting aminoacetoxymethylcephemcarboxylic acid (salt) under a specified condition. CONSTITUTION:With 7-amino-3-acetoxymethyl-3-cephem-4-carboxylic acid (salt) of formula I, an alkoxylane of formula (R )xSi(OR )4-x (R is R ; x is 0 to 3) or this alkoxylane and a lower alcohol of formula R OH are reacted in the presence of an organic sulfonic acid of formula R SO3H (R is a lower alkyl or an aryl) or a lower alkoxysulfonic acid of formula R OSO3H (R is a lower alkyl). Thereby, the objective 7-amino-3-alkoxymethyl-3-cephem-4-carboxylic acid (salt) of formula II is obtained.
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