Organic compounds -- part of the class 532-570 series – Organic compounds – Four or more ring nitrogens in the bicyclo ring system
Patent
1978-01-10
1980-09-02
Ford, John M.
Organic compounds -- part of the class 532-570 series
Organic compounds
Four or more ring nitrogens in the bicyclo ring system
544333, 544405, 546271, 546144, 546170, 546167, 546147, 548125, 548136, 548182, 548218, C07D28516, C07D49104
Patent
active
042207665
ABSTRACT:
Useful intermediates for preparing a 1-dethia-1-oxacephalosporin and represented by the following formula: ##STR1## (wherein R is a monovalent group resulting from the elimination of the carbonyl function of an acyl group derived from a carboxylic or carbonic acid;
REFERENCES:
patent: 3864339 (1975-02-01), Thomas
patent: 3950352 (1976-04-01), Wolfe
Hamashima Yoshio
Kikkawa Ikuo
Nagata Wataru
Tsuji Teruji
Uyeo Shoichiro
Ford John M.
Shionogi & Co. Ltd.
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