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.
具有以下
化学式的3-杂
硫[(
硫代烷基)
硫代乙酰基]
头孢菌素衍
生物:##STR1##
其中R为氢、低碳基、苯基-低碳基、三(低碳基)
硅基、盐形成离子或基团##STR2##
R.sub.1为氢、低碳基、苯基、
噻吩基或
呋喃基;R.sub.2和R.sub.6各为氢或低碳基;R.sub.3和R.sub.5各为低碳基、苯基或苯基-低碳基;R.sub.4为五元或六元的含氮和/或
硫或氧的环系统;可用作抗菌剂。