-
公开(公告)号:US07605256B2
公开(公告)日:2009-10-20
申请号:US11425560
申请日:2006-06-21
IPC分类号: C07D501/04
CPC分类号: C07D501/00
摘要: Cefalotin is methoxylated in position 7α, desacetylated and then carbamoylated in position 3, to provide acid cefoxitin without any isolation of intermediate products. The acid cefoxitin is then transformed into the sodium salt by means of ion exchange resin.
摘要翻译: 头孢噻吩在7α位置甲氧化,脱乙酰化,然后在3位氨基甲酰化,得到酸性头孢西丁,无需任何中间产物分离。 然后通过离子交换树脂将酸性头孢西丁转化成钠盐。
-
公开(公告)号:US07560545B2
公开(公告)日:2009-07-14
申请号:US11383075
申请日:2006-05-12
IPC分类号: C07D501/57 , C07D501/12
CPC分类号: C07D501/48
摘要: The invention relates to a method for obtaining cefotetan acid substantially free of tautomer, by treating crude cefotetan with Al3+ ions which cause the tautomer to precipitate. The precipitate is eliminated by filtration to provide a solution from which practically tautomer-free cefotetan is obtained.
摘要翻译: 本发明涉及通过用导致互变异构体沉淀的Al 3+离子处理粗头孢替坦来获得基本上不含互变异构体的头孢替坦的方法。 通过过滤除去沉淀物,得到几乎不含互变异构头孢替丹的溶液。
-
公开(公告)号:US07071329B2
公开(公告)日:2006-07-04
申请号:US10916532
申请日:2004-08-12
IPC分类号: C07D501/04 , C07D501/36 , C07D501/24
CPC分类号: C07D501/00
摘要: Cephalosporins may be conveniently prepared by a process in which a benzathinium salt of formula (V) wherein: Z is benzathine; and X and R2 are as defined in the specification, is reacted with thiourea. The resulting product may be crystallized as a sodium salt, as an internal salt, or as a pharmaceutically acceptable salt.
摘要翻译: 头孢菌素可以通过其中:Z为苄星青霉素的式(Ⅴ)化合物的方法制备, 和X和R 2如说明书中所定义,与硫脲反应。 所得产物可以以钠盐,内盐或作为药学上可接受的盐的形式结晶。
-
公开(公告)号:US20050119478A1
公开(公告)日:2005-06-02
申请号:US10916532
申请日:2004-08-12
IPC分类号: C07D501/00 , C07D501/14
CPC分类号: C07D501/00
摘要: Cephalosporins may be conveniently prepared by a process in which a benzathinium salt of formula (V) wherein: Z is benzathine; and X and R2 are as defined in the specification, is reacted with thiourea. The resulting product may be crystallized as a sodium salt, as an internal salt, or as a pharmaceutically acceptable salt.
摘要翻译: 头孢菌素可以通过其中:Z为苄星青霉素的式(Ⅴ)化合物的方法制备, 和X和R 2如说明书中所定义,与硫脲反应。 所得产物可以以钠盐,内盐或作为药学上可接受的盐的形式结晶。
-
公开(公告)号:US07479556B2
公开(公告)日:2009-01-20
申请号:US11221751
申请日:2005-09-09
IPC分类号: C07D501/06
CPC分类号: C07D501/00
摘要: Process for producing Cefepime, Cefpirome and Cefquinome, whereby a cephalosporin containing a quaternary ammonium group is reacted with thiourea to provide the aforesaid cephalosporins.
摘要翻译: 头孢吡肟,头孢匹罗和头孢喹肟的制备方法,其中含有季铵基团的头孢菌素与硫脲反应以提供上述头孢菌素。
-
公开(公告)号:US20060100424A1
公开(公告)日:2006-05-11
申请号:US11221751
申请日:2005-09-09
IPC分类号: C07D501/14
CPC分类号: C07D501/00
摘要: Process for producing Cefepime, Cefpirome and Cefquinome, whereby a cephalosporin containing a quaternary ammonium group is reacted with thiourea to provide the aforesaid cephalosporins.
-
公开(公告)号:US20050119244A1
公开(公告)日:2005-06-02
申请号:US10821986
申请日:2004-04-12
IPC分类号: C07D501/00 , A61K31/545 , C07D501/14
CPC分类号: C07D501/00
摘要: Cephalosporins may be conveniently prepared by a process in which 7-ACA is silylated, acylated, desilylated and then salified to give an intermediate which is eventually cyclized with thiourea.
摘要翻译: 头孢菌素可以方便地制备,其中将7-ACA甲硅烷基化,酰化,脱甲硅烷基化,然后成盐,得到最终用硫脲环化的中间体。
-
公开(公告)号:US20050209451A1
公开(公告)日:2005-09-22
申请号:US11129425
申请日:2005-05-16
申请人: Antonio Manca , Bruno Sala , Riccardo Monguzzi
发明人: Antonio Manca , Bruno Sala , Riccardo Monguzzi
IPC分类号: C07D501/22 , A61K31/546 , A61P31/04 , C07D501/00 , C07D501/14 , A61K31/545
CPC分类号: C07D501/00
摘要: A new crystalline form of cefdinir having a dissolution rate less than that of the known crystalline form of the same product.
摘要翻译: 头孢地尼的新结晶形式,其溶解速度小于同一产品的已知结晶形式。
-
9.
公开(公告)号:US4757142A
公开(公告)日:1988-07-12
申请号:US862723
申请日:1986-05-13
申请人: Mario Pinza , Riccardo Monguzzi , Riccardo Colombo
发明人: Mario Pinza , Riccardo Monguzzi , Riccardo Colombo
IPC分类号: C07D237/20 , C07D237/12
CPC分类号: C07D237/20
摘要: A novel process for preparing 6-amino-3-hydrazinopyridazine derivatives comprising reacting a 3-amino-6-chloropyridazine derivative with ethyl carbazate under aqueous conditions.
摘要翻译: 一种制备6-氨基-3-肼基哒嗪衍生物的新方法,包括在含水条件下使3-氨基-6-氯哒嗪衍生物与肼基甲酸乙酯反应。
-
公开(公告)号:US08067195B2
公开(公告)日:2011-11-29
申请号:US12192467
申请日:2008-08-15
IPC分类号: C12P35/00
CPC分类号: C12P35/02
摘要: The invention relates to a method for preparing 7-methoxy-3-desacetylcefalotin by a hydrolysis process which takes place in water and is catalyzed by an enzyme obtained from Bacillus pumulis possessing acetyl hydrolasic activity.
摘要翻译: 本发明涉及一种通过水解方法制备7-甲氧基-3-脱乙酰基头孢噻吩的方法,该方法在水中进行,并由具有乙酰水合酶活性的pum enzyme an酶获得。
-
-
-
-
-
-
-
-
-