Oxathiino- and dithiino-aminoacetic acids

Details Oxathiino- and dithiino-aminoacetic acids Oxathiino- and dithiino-aminoacetic acids

1975-09-26

1978-01-31

Jaisle, Cecilia M. S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

560153, 544 28, 424246, C07D50160, C07D32706, C07D33908, A61K 3154

Patent

active

040715310

ABSTRACT:
New oxathiino- and dithiino-aminoacetic acids of the formula: ##STR1## in which A represents oxygen or sulphur, together with their racemic forms, their optically active forms and mixtures thereof, their reactive derivatives and their acid addition salts, are valuable intermediates for the preparation of therapeutically active derivatives, in particular cephalosporin derivatives of the formula: ##STR2## where R is hydrogen or acetoxy.

REFERENCES:
patent: 3928595 (1975-12-01), Dahlen et al.
patent: 3966718 (1976-06-01), Brain et al.

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