Pyridylvinyl-1H tetrazole having antihistamine activity

Details Pyridylvinyl-1H tetrazole having antihistamine activity Pyridylvinyl-1H tetrazole having antihistamine activity

1984-07-27

1987-09-01

Fan, Jane T.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Having -c-, wherein x is chalcogen, bonded directly to...

546276, 546281, 546192, 546194, 546333, 546 21, 546 22, 548578, 548254, 544124, 564 15, 564316, 514340, 514318, 514357, 514 89, C07D40102, A61K 3144

Patent

active

046909338

ABSTRACT:
The invention provides compounds of the formula (I) ##STR1## or salts, esters, or amides or other protected forms thereof; wherein R.sub.1 is a C.sub.1-7 bivalent aliphatic hydrocarbon group or a single bond;

REFERENCES:
patent: 2567245 (1948-05-01), Sperber et al.
patent: 2712020 (1955-06-01), Adamson
patent: 2712023 (1955-06-01), Adamson
patent: 2991289 (1961-07-01), Schulte
patent: 4501893 (1985-02-01), Findlay et al.

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