Cephalosporin derivatives

Details Cephalosporin derivatives Cephalosporin derivatives

1981-09-28

1983-10-25

Coughlan, Jr., Paul M.

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

Organic compounds

Chalcogen in the nitrogen containing substituent

544 26, 544182, C07D50156

Patent

active

044120702

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: 4200745 (1980-04-01), Katner
patent: 4278793 (1981-07-01), Durckheimer et al.
patent: 4327210 (1982-04-01), Mantavon et al.

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