Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen in the nitrogen containing substituent
Patent
1976-12-08
1978-12-12
Coughlan, Jr., Paul M.
Organic compounds -- part of the class 532-570 series
Organic compounds
Chalcogen in the nitrogen containing substituent
544 26, 544 27, C07D50104
Patent
active
041297318
ABSTRACT:
This invention relates to the preparation of 3-heterothiomethyl cephalosporanic acid esters of the formula ##STR1## by treating a 3-methylene cephalosporin of the formula ##STR2## with a compound of the formula
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Gordon Eric M.
Koster William H.
Slusarchyk William A.
Coughlan, Jr. Paul M.
Davis Stephen B.
E. R. Squibb & Sons Inc.
Levinson Lawrence S.
Rivers Diana G.
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