发明授权
US4954489A Penicillins having a substituted acrylamido side chain 失效
青霉素具有取代的丙烯酰氨基侧链

Penicillins having a substituted acrylamido side chain
摘要:
Compounds of formula (I) and their salts and esters: ##STR1## wherein X is hydrogen or a group NHR.sup.1, wherein R.sup.1 is hydrogen or an amino protecting group, and R is optionally substituted C.sub.5-8 cycloalkyl or cycloalkenyl, are useful in the treatment of bacterial infections.
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