Benzimidazole Derivatives

Details Benzimidazole Derivatives Benzimidazole Derivatives

1988-04-11

1990-07-17

Schwartz, Richard A.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548325, 548330, 548333, C07D23528, C07D23530

Patent

active

049422456

ABSTRACT:
Benzimidazole derivatives of the following formula, ##STR1## wherein R.sup.1 indicates hydrogen atom, lower alkyl group having carbon atoms of 1 to 6 or dimethylaminopropyl group, R.sup.2 indicates hydrogen atom or lower alkanoyl group having carbon atoms of 1 to 3, R.sup.3 indicates hydrogen atom, lower alkyl group having carbon atoms of 1 to 3 or lower alkanoyl group having carbon atoms of 1 to 3, X indicates sulfur atom, sulfinyl group, sulfonyl group, amino group or methylene group, A indicates alkylene group having carbon atoms of 1 to 12, which alkylene group may optionally be substituted by hydroxy group or lower alkyl group having carbon atoms of 1 to 3, --(CHR')N--CR".dbd.CR"--(CHR')M--, ##STR2## (in which R' and R" are each independently hydrogen atom, lower alkyl group having carbon atoms of 1 to 3 or hydroxy group, and n and m are equal to 0, 1, 2 or 3) and Y indicates oxygen atom or sulfur atom; their acid or alkali salts and hydrate thereof are useful as antiallergic agents.

REFERENCES:
patent: 4440935 (1984-04-01), Huang
patent: 4680398 (1987-07-01), Irikura et al.

Affiliated with

Also associated with

Rating

Benzimidazole Derivatives does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Benzimidazole Derivatives, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Benzimidazole Derivatives will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-95667