Drug – bio-affecting and body treating compositions – Antigen – epitope – or other immunospecific immunoeffector – Parasitic organism or component thereof or substance...
Patent
1977-01-24
1984-01-31
Demers, Arthur P.
Drug, bio-affecting and body treating compositions
Antigen, epitope, or other immunospecific immunoeffector
Parasitic organism or component thereof or substance...
2602453, 424246, 424247, 4242484, 42424853, 42424854, 42424856, 42424857, 424249, 424250, 424251, 424256, 424258, 424263, 424267, 424269, 424270, 542413, 542416, 542421, 542422, 542423, 542427, C07D49804
Patent
active
044289588
ABSTRACT:
Compounds of the formula ##STR1## wherein X is S, SO or SO.sub.2 and R is an organic group of up to 20 carbon atoms and A is a group such that CO.sub.2 A represents a carboxylic acid group or a salt or ester thereof, are useful for their antibacterial activity and for their .beta.-lactamase inhibitory activity.
REFERENCES:
patent: 3983113 (1976-09-01), Beeby
patent: 4039673 (1977-08-01), Konig et al.
Beecham Group Limited
Demers Arthur P.
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