[(Thiophosphonothio)acetamido]cephalosporin derivatives

Details [(Thiophosphonothio)acetamido]cephalosporin derivatives [(Thiophosphonothio)acetamido]cephalosporin derivatives

1975-01-20

1976-05-11

Rush, Raymond V.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260941, 260999, C07D50128

Patent

active

039562905

ABSTRACT:
[(Thiophosphono)acetamido]cephalosporin derivatives of the general formula ##EQU1## wherein R is hydrogen, lower alkyl, aralkyl, tri(lower alkyl)silyl, tri(lower alkyl)stannyl, a salt forming ion or the group ##EQU2## R.sub.1 is hydrogen; R.sub.2, R.sub.3 and R.sub.4 each is lower alkyl, or aralkyl; and X is hydrogen, hydroxy or lower alkanoyloxy; are useful as antibacterial agents.

REFERENCES:
patent: 3870713 (1975-03-01), Hamanaka
patent: 3880845 (1975-04-01), Treuner

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