Substituted azetidiones

Details Substituted azetidiones Substituted azetidiones

1980-08-20

1982-09-07

Rollins, Alton D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2602452R, 2603309, 424274, 544 90, C07D20508, C07D48704

Patent

active

043483208

ABSTRACT:
Disclosed are substituted azetidinones (1) which are useful in the preparation of 1-carba-2-penem-3-carboxylic acids (I): ##STR1## wherein R is hydrogen or a blocking group and R.sup.1, R.sup.2 and R.sup.3 are, inter alia, independently selected from the group consisting of hydrogen, alkyl, aryl, and aralkyl. Such 1-carba-2-penem-3-carboxylic acids and their pharmaceutically acceptable salt, ester and amide derivatives are useful as antibiotics.

REFERENCES:
patent: 3950357 (1976-04-01), Kahan et al.
Wagner et al., Synthetic Organic Chemistry, (New York, 1953), pp. 159-161.
Zabicky, The Chemistry of Amides, (Interscience, N.Y., 1970), pp. 752-753.
Testa et al., Chem. Abstracts., vol. 58, cols. 11312-11313 (1963).

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