.alpha.-Halo-2-oxo-1-azetidinemethane-carboxylic acid compounds

Details .alpha.-Halo-2-oxo-1-azetidinemethane-carboxylic acid compounds .alpha.-Halo-2-oxo-1-azetidinemethane-carboxylic acid compounds

1977-07-11

1979-07-17

Rizzo, Nicholas S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

424246, 260239A, C07D27762

Patent

active

041614763

ABSTRACT:
.alpha.-Hydroxy-2-oxo-1-azetidinemethane-carboxylic acid compounds of formula ##STR1## wherein R.sub.1 represents a hydrogen atom or the organic residue of an alcohol, R.sub.2 represents a hydrogen atom or an acyl residue, R.sub.3 represents an organic residue and R.sub.4 represents a hydrogen atom, when R.sub.2 stands for an acyl residue, or the two groups R.sub.3 and R.sub.4 together represent a disubstituted carbon atom, when R.sub.2 stands for a hydrogen atom or an acyl group, are useful as intermediates for the manufacture of pharmacologically active compounds.

REFERENCES:
patent: 3483215 (1969-12-01), Woodward
patent: 3755342 (1973-08-01), Heusler et al.
patent: 3927013 (1975-12-01), Barton et al.
patent: 4052408 (1977-10-01), Heusler et al.

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