Quaternized, bridged benzimidazolylbenzimidazoles, processes for

Details Quaternized, bridged benzimidazolylbenzimidazoles, processes for Quaternized, bridged benzimidazolylbenzimidazoles, processes for

1980-09-29

1982-01-05

Ford, John M.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548328, 2602456, C07D23530, C07D48731, C07D23504

Patent

active

043095518

ABSTRACT:
Compounds of the general formula (1) ##STR1## wherein R.sub.1 denotes hydrogen, halogen, alkyl, alkoxy or, conjointly with R.sub.2, a fused benzo ring, R.sub.2 denotes hydrogen, alkyl, alkoxy, halogen, phenyl, cyano, carboalkoxy, carboxyl, carbonamido, monoalkylcarbonamido, dialkylcarbonamido, sulfo, alkylsulfonyl, alkyloxysulfonyl, sulfonamido, monoalkylsulfonamido or dialkylsulfonamido or, conjointly with R.sub.3, a fused benzo ring, R.sub.3 has the same meaning as R.sub.2, R.sub.4 denotes hydrogen, alkyl, alkoxy, halogen or, conjointly with R.sub.3, a fused benzo ring, R.sub.5 denotes alkyl, hydroxyalkyl, alkoxyalkyl, optionally substituted aralkyl, cyanoethyl, cycloalkyl or a group of the formulae --CH.sub.2 CN, --CH.sub.2 CONH.sub.2 or --CH.sub.2 COO--alkyl, A denotes a group of the formulae ##STR2## or

REFERENCES:
patent: 2479152 (1949-08-01), Brooker
Imidazole and its Derivatives, Part I, Klaus Hofmann, Intersci. Publishers, Inc., N.Y., (1953), p. 257.

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