申请人:CRAF Sud
公开号:US04231927A1
公开(公告)日:1980-11-04
Hydrazono penicillin derivatives of the formula ##STR1## wherein R represents phenyl optionally substituted, 2- or 3- thienyl optionally substituted, or 2- or 3-furyl optionally substituted, R.sub.1 represents hydrogen, alkyl containing from 1 to 4 carbon atoms, or phenyl, and R.sub.2 represents hydrogen, pivaloyloxymethyl, or 1-(ethoxycarbonyloxy)ethyl radical. The compounds have antibacterial activity against gram-negative and gram-positive microorganisms. Methods of preparation are also disclosed.
Hydrazono青霉素衍生物的化学式为##STR1##其中R代表苯基(可选择性取代)、2-或3-噻吩基(可选择性取代)或2-或3-呋喃基(可选择性取代),R.sub.1代表氢、含有1至4个碳原子的烷基或苯基,R.sub.2代表氢、对乙酰氧甲基或1-(乙氧羰氧基)乙基基团。这些化合物对革兰氏阴性和革兰氏阳性微生物具有抗菌活性。还公开了制备方法。