Author:
Šindelář Karel,Holubek Jiří,Matoušová Oluše,Svátek Emil,Valchář Martin,Dlabač Antonín,Dlohožková Nataša,Hrubantová Marta,Protiva Miroslav
Abstract
Starting from the bromo ketones VIIc, XIII, and XXIV and proceeding via the alcohols VIIIc, IXc, XIV, XVII, and XXVI, the olefinic compounds IIc (+ VI), Xc (+XI), XVc and XIXc(+XXc), and the saturated compound XVIc were prepared. The pairs of geometrical isomers were separated by crystallization of salts and the individual compounds Iic, Xc, XVc, XVIc, XIXc, and XXc were transformed by treatment with cuprous cyanide in hexamethylphosphoric triamide to the corresponding cyano compounds IIb, Xb, XVb, XVIb, XIXb, and XXb. Compound IIb was synthesized also from the ketone VIIc via the cyano ketone VIIb and the cyano carbinol VIIIb. The secondary amine IIIb was prepared from IIc by partial demethylation with ethyl chloroformate, the following hydrolysis to IIIc, protection of NH group with butyrolactone, the following treatment with cuprous cyanide, and deprotection by mild hydrolysis. The title compounds, which are the cyano analogues of antidepressants of the prothiadene series, showed in pharmacological and biochemical tests properties of potential antidepressants and more or less selective inhibitors of the 5-hydroxytryptamine uptake in the rat brain; at the same time they are rather strong central cholinolytics.
Publisher
Institute of Organic Chemistry & Biochemistry
Cited by
13 articles.
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