Process for preparing 6-substituted amino-2-substituted-pen-2-em

Details Process for preparing 6-substituted amino-2-substituted-pen-2-em Process for preparing 6-substituted amino-2-substituted-pen-2-em

1979-12-31

1981-03-10

Trousof, Natalie

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2602452R, C07D49904

Patent

active

042553300

ABSTRACT:
Disclosed are 6-substituted amino-2-substituted-pen-2-em-3-carboxylic acids of the following structure: ##STR1## wherein R.sup.1 is hydrogen or acyl, R.sup.2 is hydrogen or methoxyl, and R.sup.3 is, inter alia, hydrogen, --R, --OR, --SR, --NR.sub.2 ; R is alkyl, aryl, aralkyl, heterocyclyl or heterocyclylalkyl; n is 0 or 1; when n=1, R.sup.3 is not --SR. Such compounds and their pharmaceutically acceptable salt, and ester derivatives are useful as antibiotics. Also disclosed are processes for the preparation of such compounds, pharmaceutical compositions comprising such compounds and methods of treatment comprising administering such compounds and compositions when an antibiotic effect is indicated.

REFERENCES:
patent: 4058521 (1977-11-01), Uyeo et al.
patent: 4164497 (1979-08-01), Kamiya et al.

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