申请人:Beecham Group p.l.c.
公开号:US04812470A1
公开(公告)日:1989-03-14
A compound of the formula (I) ##STR1## wherein R is a group ##STR2## R.sup.1 is hydrogen, phenyl, C.sub.1-20 alkyl, C.sub.2-8 alkenyl or C.sub.2-8 alkynyl each of which may optionally be substituted; or C.sub.3-7 cycloalkyl, X is a divalent group --Y--C.dbd.C--, and Y is oxygen or sulphur, have antibacterial and/or antimycoplasmal activity.
式(I)的化合物
其中R是一个基团
R.sup.1是氢、苯基、C.sub.1-20烷基、C.sub.2-8烯基或C.sub.2-8炔基,每个基团可能被取代;或C.sub.3-7环烷基,X是一个二价基团--Y--C.dbd.C--,Y是氧或硫,具有抗菌和/或抗支原体活性。