申请人:E. R. Squibb & Sons, Inc.
公开号:US04587047A1
公开(公告)日:1986-05-06
Antibacterial activity is exhibited by .beta.-lactams having a ##STR1## substituent in the 1-position and an acylamino substituent in the 3-position wherein Z is oxygen or sulfur, and R is alkyl, alkenyl, alkynyl, substituted alkyl, phenyl, substituted phenyl, a 5,6 or 7-membered heterocycle (R.sub.c), phenylalkyl, (substituted phenyl)alkyl, R.sub.c -alkyl or --NR.sub.a R.sub.b wherein R.sub.a and R.sub.b are the same or different and each is hydrogen, alkyl, substituted alkyl, phenyl, substituted phenyl, phenylalkyl, or (substituted phenyl)alkyl or one of R.sub.a and R.sub.b is hydrogen, alkyl, phenyl, substituted phenyl, phenylalkyl or (substituted phenyl)alkyl and the other is amino, alkanoylamino, arylcarbonylamino, alkoxycarbonylamino, alkylsulfonylamino, alkylamino, dialkylamino, phenylamino, (substituted phenyl)amino, hydroxy, cyano, alkoxy, phenyloxy, (substituted phenyl)oxy, phenylalkoxy, (substituted phenyl)alkoxy, R.sub.c, R.sub.c -alkyl, R.sub.c -alkoxy, alkylsulfonyl, alkylmethyleneamino, phenylmethyleneamino or (substituted phenyl)methyleneamino.
β-内酰胺类化合物在1位上具有##STR1##取代基,在3位上具有酰胺基取代基,其中Z为氧或硫,R为烷基,烯基,炔基,取代烷基,苯基,取代苯基,5,6或7元杂环(R.sub.c),苯基烷基,(取代苯基)烷基,R.sub.c-烷基或--NR.sub.a R.sub.b,其中R.sub.a和R.sub.b相同或不同,每个都是氢,烷基,取代烷基,苯基,取代苯基,苯基烷基或(取代苯基)烷基,或者R.sub.a和R.sub.b中的一个是氢,烷酰胺基,芳基羰基胺基,烷氧羰基胺基,烷基磺酰胺基,烷基氨基,二烷基氨基,苯基氨基,(取代苯基)氨基,羟基,氰基,烷氧基,苯氧基,(取代苯基)氧基,苯基烷氧基,(取代苯基)烷氧基,R.sub.c,R.sub.c-烷基,R.sub.c-烷氧基,烷基磺酰基,烷基亚甲基氨基,苯基亚甲基氨基或(取代苯基)亚甲基氨基,均表现出抗菌活性。