[EN] PROCESS FOR PREPARING CEFTOLOZANE FROM 7-AMINOCEPHALOSPORANIC ACID (7-ACA)<br/>[FR] PROCÉDÉ DE PRÉPARATION DE CEFTOLOZANE À PARTIR D'UN ACIDE 7-AMINOCÉPHALOSPORANIQUE (7-ACA)
申请人:SANDOZ AG
公开号:WO2017042188A1
公开(公告)日:2017-03-16
The present invention relates to a highly convergent method for the synthesis and purification of ceftolozane and intermediates starting from 7-aminocephaiosporanic acid (7- ACA).
本发明涉及一种从7-氨基头霉素酸(7-ACA)出发合成和纯化头孢洛松及中间体的高度收敛方法。
[EN] CEPHALOSPORIN COMPOSITIONS AND METHODS OF MANUFACTURE<br/>[FR] COMPOSITIONS DE CÉPHALOSPORINE ET PROCÉDÉS DE FABRICATION
申请人:CUBIST PHARM INC
公开号:WO2014152763A1
公开(公告)日:2014-09-25
Provided herein is a method for the synthesis of cephalosporin antibiotic compounds comprising the conversion of a protected 7-amino group into a 7-carboxamide moiety in a single step.
本文提供了一种合成头孢菌素抗生素化合物的方法,包括将保护的7-氨基团一步转化为7-羧酰胺基团。
Cephem compounds
申请人:Fujisawa Pharmaceutical Co., Ltd
公开号:US20040132994A1
公开(公告)日:2004-07-08
The present invention relates to a compound of the formula [I]:
1
wherein
R
1
is lower alkyl, hydroxy(lower)alkyl or halo(lower)alkyl, and
R
2
is hydrogen or amino protecting group, or
R
1
and R
2
are bonded together and form lower alkylene or lower alkenylene;
R
3
is hydrogen or lower alkyl;
R
4
is
2
R
5
is carboxy or protected carboxy; and
R
6
is amino or protected amino,
or a pharmaceutically acceptable salt thereof, a process for preparing a compound of the formula [I], and a pharmaceutical composition comprising a compound of the formula [I] in admixture with a pharmaceutically acceptable carrier.