Readily prepared N-functionalized benzotriazole-1-carboximidoyl chlorides are proposed as stable and novel isocyanide dichloride synthetic equivalents. Subsequent condensations of these new intermediates afford polysubstituted guanidines, S-aryl isothioureas, and 2-aminoquinazolin-4-thiones.

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A novel series of triazin-chalcones (7,8)a–g and triazin-N-(3,5-dichlorophenyl)pyrazolines (9,10)a–g were synthesized and evaluated for their anticancer activity against nine different cancer strains.