Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1974-07-08
1978-08-15
Tovar, Jose
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
544 22, 544 29, 424246, A61K 31545
Patent
active
041074319
ABSTRACT:
The invention is concerned with .DELTA..sup.3 -4-carboxy cephalosporin antibiotics possessing a 3-vinyl or substituted 3-vinyl groups as well as with phosphorous intermediates useful in the preparation thereof.
REFERENCES:
patent: 3994884 (1976-11-01), Weir
Clark John Colin
Kennedy James
Long Alan Gibson
Weir Niall Galbraith
Glaxo Laboratories Limited
Tovar Jose
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