申请人:E. R. Squibb & Sons, Inc.
公开号:US03946001A1
公开(公告)日:1976-03-23
(Carbamoylthioacetyl)cephalosporin derivatives of the general formula ##EQU1## wherein R is hydrogen, lower alkyl, phenyl-lower alkyl, tri(lower alkyl)stannyl, tri(lower alkyl)silyl, a salt forming ion or the group ##EQU2## R.sub.1 is hydrogen, lower alkyl, phenyl, thienyl or furyl; R.sub.2 is lower alkyl, lower alkoxymethyl, phenyl or phenyl-lower alkyl; R.sub.3 is hydrogen, hydroxy or lower alkanoyloxy; and R.sub.4 is lower alkyl, phenyl or phenyl-lower alkyl; are useful as antibacterial agents.
通用公式##EQU1##中的(Carbamoylthioacetyl)头孢菌素衍生物,其中R为氢、低烷基、苯基-低烷基、三(低烷基)基锡、三(低烷基)基硅、盐形成离子或基团##EQU2##;R.sub.1为氢、低烷基、苯基、噻吩基或呋喃基;R.sub.2为低烷基、低烷氧甲基、苯基或苯基-低烷基;R.sub.3为氢、羟基或低烷酰氧基;R.sub.4为低烷基、苯基或苯基-低烷基;可用作抗菌剂。