Thiinyl and oxothiolyl derivatives

Details Thiinyl and oxothiolyl derivatives Thiinyl and oxothiolyl derivatives

1982-09-30

1985-02-19

Coughlan, Jr., Paul M.

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

Organic compounds

Chalcogen in the nitrogen containing substituent

544 52, 544 584, 549 14, 549 15, 549 22, 549 30, 549 37, C07D27910, C07D32706, C07D33906, C07D33908

Patent

active

045007098

ABSTRACT:
This invention relates to novel compounds useful as intermediates in the preparation of cephalosporin compounds of antibacterial activity, having the formula ##STR1## wherein R.sup.1 is a group of the formula ##STR2## in which X is sulfur, oxygen or substituted or unsubstituted imino, and

REFERENCES:
patent: 3903113 (1975-09-01), Bradshaw et al.
patent: 4017515 (1977-04-01), Cook et al.
patent: 4071531 (1978-01-01), Berger et al.
patent: 4203899 (1980-05-01), Ochiai et al.

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