申请人:E. R. Squibb & Sons, Inc.
公开号:US04171435A1
公开(公告)日:1979-10-16
[(Thioalkyl)thioacetyl]cephalosporin derivatives of 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 or 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 hydrogen, hydroxy or lower alkanoyloxy; are useful as antimicrobial agents.
巯基)巯基乙酰基)头孢菌素衍生物的化学式为##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,或者是##STR2##R1为氢、低烷基、苯基、噻吩基或呋喃基;R2和R6各自为氢或低烷基;R3和R5各自为低烷基、苯基或苯基-低烷基,R4为氢、羟基或低烷酰氧基;这些化合物可用作抗微生物剂。