申请人:DSM IP ASSETS BV
公开号:WO2004106347A1
公开(公告)日:2004-12-09
The present invention is concerned with a novel cephem compound, with a process for the production of this compound, which process may contain or consist of fermentative steps, chemical steps, and/or biotransformation steps. A cephem compound according to the present invention characterised by formula (I) or a salt or ester thereof, wherein R is selected from the group consisting of (carboxymethylthio)propionyl (carboxyethylthio)propionyl Y- CH2-CO15 wherein Y is phenyl, phenoxy or tetrazolyl HOOC-X-CO wherein X is defined as (CH2)4 or wherein X is defined as (CH2)P-A-(CH2)q, wherein p and q each individually are 0, 1, 2, 3 or 4, and A is CH=CH, C-=C, CHB, C=O, O, S, NH, the nitrogen optionally being substituted or the sulfur optionally being oxidized, and B is hydrogen, halogen, C1-3 alkoxy, hydroxyl, or optionally substituted methyl, with the proviso that p+q should be 2 or 3, when A is CH=CH or C=-C, or p+q should be 3 or 4, when A is CHB, C=O, 0, S or NH or wherein X is (CH2)m-CH=A-(CH2)n or (CH2)m-C=-C-(CH2)n, wherein m and n each individually are 0, 1, 2 or 3 and m+n = 2 or 3, and A is CH or N, or wherein X is (CH2)p-CH=CH-C H=C-(CH2)q wherein p and q each individually are 0 or 1 and p+q = 0 or 1 and wherein R' is selected from the group consisting of OH O-(alkyl 1-6C) wherein the alkyl can be straight or branched and O-C(alkyl 1-6C)-O-(alkyl 1-6C) wherein the alkyl groups can be straight or branched can inter alia be prepared by fermentative techniques according to the invention and in particular using a suitable microorganism possessing or being transformed with the genes needed for conversion of an appropriate acyl-6-aminopenicillanic acid into the desired compound.
本发明涉及一种新型头孢菌素化合物,以及用于生产该化合物的方法,该方法可以包含或由发酵步骤、化学步骤和/或生物转化步骤构成。根据本发明的头孢菌素化合物的特征是其具有以下式(I)或其盐或酯,其中R选自以下组:(羧甲基硫)丙酰基(羧乙基硫)丙酰基Y- CH2-CO15,其中Y是苯基、苯氧基或四氮唑基HOOC-X-CO,其中X定义为(CH2)4或其中X定义为(CH2)P-A-(CH2)q,其中p和q各自独立地为0、1、2、3或4,A为CH=CH、C-=C、CHB、C=O、O、S、NH,氮原子可选择性地被取代或硫原子可选择性地被氧化,B为氢、卤素、C1-3烷氧基、羟基或可选择性取代的甲基,但要求当A为CH=CH或C=-C时p+q应为2或3,或当A为CHB、C=O、O、S或NH时p+q应为3或4,或其中X为(CH2)m-CH=A-(CH2)n或(CH2)m-C=-C-(CH2)n,其中m和n各自独立地为0、1、2或3且m+n=2或3,A为CH或N,或其中X为(CH2)p-CH=CH-C H=C-(CH2)q,其中p和q各自独立地为0或1且p+q=0或1,且其中R'选自以下组:OH、O-(烷基1-6C),其中烷基可以是直链或支链,或O-C(烷基1-6C)-O-(烷基1-6C),其中烷基可以是直链或支链,可以通过本发明的发酵技术之一制备,特别是使用适当的微生物,该微生物具有或被转化为需要将适当的酰-6-氨基青霉酸转化为所需化合物所需的基因。