Cephem intermediates

Details Cephem intermediates Cephem intermediates

1985-10-09

1987-03-31

Raymond, Richard L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07F 965

Patent

active

046544224

ABSTRACT:
The invention relates to novel cephem compounds of high antimicrobial activity of the formula: ##STR1## wherein R.sup.1 is phosphono, dihalophosphoryl, di(lower) alkoxyphosphoryl, O-lower alkylphosphono, diaminophosphoryl, (amino) (hydroxy) phosphoryl or (lower alkoxy) (morpholino) phosphoryl,

REFERENCES:
patent: 2744912 (1956-05-01), Goulliot et al.
patent: 3036087 (1962-05-01), Anatol

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