Antihistaminic compositions and methods containing pyridine deri

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...

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A61K 3144

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active

046508074

ABSTRACT:
This disclosure describes a compound of Formula I ##STR1## (including its pharmaceutically acceptable salts and esters) which has potent antihistamine activity which is substantially free from sedative effects and which has little or no anticholinergic effects.

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Chemical Abstracts 71:11415f (1969).
J. Med. Chem. 1980, 23, 149-153, Synthesis and Psychoanaleptic Properties of New Compounds, Structurally Related to Diphenhydramine, Buzas et al., Drug Metabolism and Disposition, vol. 9, No. 5, 1981.
Aspet 1980, Abstract PDR-1978; pp. 707 and 708, Actidil and Actifed-C.

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