Oxazolines

Details Oxazolines Oxazolines

1980-01-14

1981-06-02

Ford, John M.

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

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

2602454, 544295, 544296, 544357, 544405, 546333, 546256, 546271, 546140, 546145, 546174, C07D49804, C07D40114, C07D41314

Patent

active

042712963

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: 4159984 (1979-07-01), Yoshioka et al.
patent: 4183855 (1980-01-01), Yoshioka et al.

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