Biomedical subjects
Publications and source records attributed to S M Rida.
Benzimidazolylthiazoles 2 were synthesized by condensing 1H-benzimidazole-2-acetonitrile (1) with sulphur and isothiocyanates. The syntheses of the Schiff bases 3, thioureas 4, and thiazolopyrimido[1,6-a]benzimidazoles 5 and 6 are also described. Seven compounds were evaluated in vitro against human HIV, however, no significant activity was observed with any of these compounds.
Some new esters and amides of benzimidazole-1-acetic acid which contain different cationic heads were prepared as atropine substitutes. Preliminary pharmacological testing showed that the prepared compounds possess atropine-like activity.
The preparation of 16 new N-substituted p-aminobenzamide derivatives which contain diethylaminoethyl-N-methylpiperazine, piperidine and morpholine moieties were described. Preliminary pharmacological testing of representative compounds showed that some of the prepared compounds possess anticholinergic and antihistaminic activities.
In the synthetic approach to some new local anaesthetics, it was desirable to prepare esters of N1-methyl-N4-hydroxypiperazine and N.N-dibenzylhydroxylamine. Their local anaesthetic activity testing is in progress.
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