Drug – bio-affecting and body treating compositions – Antigen – epitope – or other immunospecific immunoeffector – Parasitic organism or component thereof or substance...
Patent
1981-12-22
1982-11-16
Trousof, Natalie
Drug, bio-affecting and body treating compositions
Antigen, epitope, or other immunospecific immunoeffector
Parasitic organism or component thereof or substance...
2602391, 2602452R, A61K 3143, C07D49932
Patent
active
043594727
ABSTRACT:
Antibacterial agents in which a penicillin and a beta-lactamase inhibitor are linked by means of a bis-hydroxymethyl carbonate bridge are of the formula: ##STR1## and pharmaceutically acceptable acid addition salts thereof, wherein R.sup.1 is hydrogen, hydroxy, certain acyloxy or certain alkoxycarbonyloxy groups, a method for their use, pharmaceutical compositions thereof, and intermediates useful in their production.
REFERENCES:
patent: 2985648 (1961-05-01), Doyle et al.
patent: 3192198 (1965-06-01), Naylor et al.
patent: 3520876 (1970-07-01), Alburn et al.
patent: 3928595 (1975-12-01), Dahlen et al.
patent: 4053360 (1977-10-01), Bouzard
patent: 4234579 (1980-11-01), Barth
patent: 4244951 (1981-01-01), Bigham
Clarke Vera C.
Frost Albert E.
Knuth Charles J.
Pfizer Inc.
Thomas Paul D.
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