Cephalosporin intermediates

Details Cephalosporin intermediates Cephalosporin intermediates

1987-04-01

1988-09-27

Daus, Donald G.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D50136, A61K 31545

Patent

active

047743301

ABSTRACT:
There is presented compounds of the formula ##STR1## wherein X represents the 1,2,5,6-tetrahydro-2-methyl-5,6-dioxo-as-triazin-3-yl group or its corresponding tautomeric form, the 2,5-dihydro-6-hydroxy-2-methyl-5-oxo-as-triazin-3-yl group, and the readily hydrolyzable esters, readily hydrolyzable ethers and salts of the compounds and hydrates of the compounds of formula I or of their esters, ethers and salts. Also provided is a method of their manufacture and intermediates therefor as well as corresponding pharmaceutical preparations.

REFERENCES:
patent: 4264595 (1981-04-01), Numata et al.
patent: 4327210 (1982-04-01), Montavon et al.
patent: 4348518 (1982-09-01), Montavon et al.
Derwent Abstract C81-D46217 to Montovan et al., EP No. 30294.

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