申请人:Merck & Co., Inc.
公开号:US06489471B1
公开(公告)日:2002-12-03
A process of synthesizing a carbapenem compound of formula (6) is disclosed, wherein R represents H or methyl, P and P* independently represent H or protecting groups and each R1 is independently selected from: H, halo, OH, OP wherein P is a protecting group, C1-6 alkyl or C1-6 alkyl substituted with 1-3 of halo, OH, OP, NH2, NHC1-4 alkyl or N(C1-4 alkyl)2, comprising reacting a carbapenem of formula (4′) with a compound of formula (7), wherein R, R1, P and P* are as previously defined and R2 represents acetate, C(O)OR′ or P(O)(OR″)2, wherein R′ and R″ independently represent Clot alkyl, benzyl or aryl, in the presence of a catalyst to produce a compound of formula (6).
公开了一种合成式为(6)的碳青霉烯化合物的过程,其中R代表H或甲基,P和P*分别代表H或保护基,每个R1独立选择自:H,卤,OH,OP,其中P是保护基,C1-6烷基或C1-6烷基取代1-3个卤,OH,OP,NH2,NHC1-4烷基或N(C1-4烷基)2,包括在催化剂的存在下,将式为(4')的碳青霉烯与式为(7)的化合物反应,其中R,R1,P和P*如前所述,R2代表乙酸酯,C(O)OR'或P(O)(OR")2,其中R'和R"独立代表Clot烷基,苄基或芳基,以产生式为(6)的化合物。