申请人:E. R. Squibb & Sons, Inc.
公开号:US04003893A1
公开(公告)日:1977-01-18
3-Heterothio[(thioalkyl)thioacetyl]cephalosporin derivatives which have the formula ##STR1## wherein R is hydrogen, lower alkyl, phenyl-lower alkyl, tri(lower alkyl)silyl, a salt forming ion, or the group ##STR2## R.sub. 1 is hydrogen, lower alkyl, phenyl, thienyl of furyl; R.sub.2 and R.sub.6 each is hydrogen or lower alkyl; R.sub.3 and R.sub.5 each is lower alkyl, phenyl or phenyl-lower alkyl; and R.sub.4 is a five- or six-membered nitrogen and/or sulfur or oxygen-containing ring system; are useful as antibacterial agents.
3-杂硫代[(硫代烷基)硫代乙酰]头孢菌素衍生物具有以下结构式 ##STR1## 其中R为氢、低烷基、苯基-低烷基、三(低烷基)硅基、盐形成离子,或基团 ##STR2## R.sub. 1为氢、低烷基、苯基、噻吩基或呋喃基;R.sub.2和R.sub.6各自为氢或低烷基;R.sub.3和R.sub.5各自为低烷基、苯基或苯基-低烷基;R.sub.4为含氮和/或硫或氧的五元或六元环系统;可用作抗菌剂。