Derivatives of benzimidazole and their use as antihistamines

Details Derivatives of benzimidazole and their use as antihistamines Derivatives of benzimidazole and their use as antihistamines

1991-07-25

1993-01-26

Shah, Mukund J.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Heterocyclic carbon compounds containing a hetero ring...

544231, 544366, 544370, A61K 31495, C07D40314

Patent

active

051822806

ABSTRACT:
The present invention relates to novel compounds derived from benzimidazole, characterized in that they correspond to the formula I, or their therapeutically acceptable salts, ##STR1## in which: R.sub.1 and R.sub.2, equal or different, represent a hydrogen atom, a halogen, a lower alkyl radical, a hydroxy radical, an alkoxy radical, an alkyl carboxylate radical, an aryl or substituted aryl radical,

REFERENCES:
patent: 3247202 (1966-04-01), Matter et al.
patent: 4200641 (1980-04-01), Vandenberk et al.
patent: 4430343 (1984-02-01), Iemura et al.
patent: 4603130 (1986-07-01), Iemura et al.
patent: 4902687 (1990-02-01), Ornstein
Jilek et al., Collect. Czech. Chem. Commun. 53, p. 870 (1988).
Drugs of the Future (J. R. Prous, Ed.), VII, No. 10, pp. 711-779 (1982).

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