Penam derivatives

Details Penam derivatives Penam derivatives

1979-04-23

1980-05-20

Rizzo, Nicholas S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

424271, 260239A, 424246, 544 16, C07D49944

Patent

active

042038979

ABSTRACT:
A compound of the general formula: ##STR1## wherein R.sup.1 is amino or a conventional, pharmaceutically acceptable acylamino, R.sup.2 is carboxy or a conventionally protected carboxy, X is --S-- or ##STR2## R.sup.3 is lower alkyl and Y" is a residue of a strong nucleophile selected from the group consisting of azido, thiocyanato, lower alkyanoylthio and piperidinothiocarbonylthio.

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