Acylaminopenicillanic acids and process for preparing them

Details Acylaminopenicillanic acids and process for preparing them Acylaminopenicillanic acids and process for preparing them

1975-12-11

1977-04-19

Schwartz, Gerald A.

Drug, bio-affecting and body treating compositions

Antigen, epitope, or other immunospecific immunoeffector

Parasitic organism or component thereof or substance...

2602391, C07D49968, C07D49970, A61K 3143

Patent

active

040189333

ABSTRACT:
Acylaminopenicillanic acids of the general formula ##STR1## in which R.sup.1, R.sup.2 and R.sup.3 represent hydrogen or lower alkyl which may be substituted, and in which the radicals R.sup.1 and R.sup.2 or R.sup.2 and R.sup.3 may form together an alkylene radical which may be substituted, R.sup.4 and R.sup.5 represent hydrogen or lower alkyl, R.sup.6 represents phenyl which may be substituted, a monocyclic aromatic heterocycle which may be substituted, or dihydrophenyl, A represents a benzene or thiophene ring which may be substituted, and X represents oxygen or a single bond, a process for preparing them and pharmaceutical compositions active against bacterial infections containing these compounds.

REFERENCES:
patent: 3749711 (1973-07-01), Schorr et al.
patent: 3870709 (1975-03-01), Hamanaka
patent: 3935189 (1976-01-01), Ferres et al.

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