3-Tetrazolyl and other derivatives of [[(alkoxy)thiocarbonyl]oxy

Details 3-Tetrazolyl and other derivatives of [[(alkoxy)thiocarbonyl]oxy 3-Tetrazolyl and other derivatives of [[(alkoxy)thiocarbonyl]oxy

1975-01-24

1976-08-31

Rizzo, Nicholas S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

424246, C07D50136

Patent

active

039780503

ABSTRACT:
3-Heterothio derivatives of [[(alkoxy)thiocarbonyl]oxy]acetyl cephalosporins having the 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, pyridyl, thienyl or furyl; R.sub.2 is lower alkyl or phenyl-lower alkyl; R.sub.3 is 1-oxopyridinyl or a five membered heterocycle containing only nitrogen and carbon or nitrogen, carbon and oxygen or sulfur in the ring; R.sub.4 is lower alkyl, phenyl or phenyl-lower alkyl; are useful as antibacterial agents.

REFERENCES:
patent: 3812116 (1974-05-01), Takano et al.

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