Process for the preparation of 3-vinyl and substituted vinyl cep

Details Process for the preparation of 3-vinyl and substituted vinyl cep Process for the preparation of 3-vinyl and substituted vinyl cep

1976-04-21

1978-08-29

Rizzo, Nicholas S.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

424246, 542429, 542442, 542427, 542426, C07D50102, C07D50104

Patent

active

041105346

ABSTRACT:
The invention is concerned with the preparation of .DELTA..sup.3 -4-carboxy cephalosporin antibiotics possessing a 3-vinyl group or substituted 3-vinyl group by means of phosphorous intermediates.

REFERENCES:
patent: 3853860 (1974-12-01), Weir

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