Novel 3-acyloxymethyl-cephem compounds useful as intermediates f

Details Novel 3-acyloxymethyl-cephem compounds useful as intermediates f Novel 3-acyloxymethyl-cephem compounds useful as intermediates f

1979-06-08

1981-01-13

Rizzo, Nicholas S.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

544 22, 544 28, 544 30, C07D50120

Patent

active

042450888

ABSTRACT:
Novel 3-acyloxymethyl-cephem compounds of the formula: ##STR1## wherein R.sup.1 is hydrogen or an acyl group; W is acetonyl, or a group represented by --X--COOH or --X--OH (X is an organic residue) or salts thereof were found to be useful as starting materials for preparing cephalosporins of the formula: ##STR2## wherein R.sup.3 stands for a residue of a nucleophilic compound and R.sup.1 has the same meaning as above.

REFERENCES:
patent: 4007178 (1977-02-01), Berges

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