Drug – bio-affecting and body treating compositions – Antigen – epitope – or other immunospecific immunoeffector – Fungus – except allergen – or component thereof or substance...
Patent
1980-08-15
1983-09-13
Gersil, Robert
Drug, bio-affecting and body treating compositions
Antigen, epitope, or other immunospecific immunoeffector
Fungus, except allergen, or component thereof or substance...
548504, 548507, 548517, A61K 3140, C07D20912, C07D20919
Patent
active
044042175
ABSTRACT:
The present invention relates to the chemical products of general formula: ##STR1## in which R.sub.1 and R.sub.2 designate hydrogen; halogen, lower alkyl or lower alkoxy; R.sub.3 and R.sub.4 designate hydrogen, alkyl, alkoxy, halogen, nitro, acyl, alkylthio, alkylsulfinyl, alkylsulfonyl, a (CH.sub.2).sub.n COOR, (CH.sub.2).sub.2 CONHR, (CH.sub.2).sub.n NHCOOR or (CH.sub.2).sub.n NHCOR group; or R.sub.3 and R.sub.4 together form a heterocycle bonded to the benzene cycle; X.sub.1 is hydrogen, alkyl, hydroxymethyl or COOR and X.sub.2 is hydrogen or methyl; and to the pharmaceutically acceptable salts of said products. It also relates to a process for preparing said products and to the drugs active in particular on the cardiovascular system, containing at least one of said products.
REFERENCES:
patent: 3947584 (1976-03-01), Zirngigi et al.
patent: 4234595 (1980-11-01), Kriegbaum et al.
Demarne Henri
Wagnon Jean
C. M. Industries
Gersil Robert
Springer D. B.
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