申请人:Pfizer Inc.
公开号:US04393001A1
公开(公告)日:1983-07-12
Compounds of the formula ##STR1## wherein R.sup.1 is H or HO; Y and Z are each Cl, Br or I, or Y is H and Z is Cl, Br or I; Q is N.sub.3 or NHCO.sub.2 CH.sub.2 C.sub.6 H.sub.4 R.sup.4 where R.sup.4 is H, Cl, Br, NO.sub.2, CH.sub.3 or OCH.sub.3 ; a process for their use in production of the valuable antibacterial agents 1,1-dioxopenicillanoyloxymethyl 6-(2-amino-2-phenylacetamido)penicillanate and 1,1-dioxopenicillanoyloxymethyl 6-[2-amino-2-(p-hydroxyphenyl)acetamido]-penicillanate, by catalytic hydrogenation in the presence of a noble metal catalyst and novel intermediates useful in preparing said compounds of formula (I).
式##STR1##中的化合物,其中R.sup.1为H或HO;Y和Z分别为Cl、Br或I,或者Y为H且Z为Cl、Br或I;Q为N.sub.3或NHCO.sub.2 CH.sub.2 C.sub.6 H.sub.4 R.sup.4,其中R.sup.4为H、Cl、Br、NO.sub.2、CH.sub.3或OCH.sub.3;它们在生产有价值的抗菌剂1,1-二氧代青霉烷酰氧甲基6-(2-氨基-2-苯乙酰氨基)青霉烷酸酯和1,1-二氧代青霉烷酰氧甲基6-[2-氨基-2-(对羟基苯基)乙酰氨基]-青霉烷酸酯的用途中的过程,通过在贵金属催化剂存在下的催化氢化,以及在制备式(I)化合物中有用的新型中间体。