Aa. Hataba et al., SYNTHESIS OF SOME NEW PYRIMIDINE, PYRAZOLE, THIAZINE AND THIAZOLE DERIVATIVES, Indian journal of chemistry. Sect. B: organic chemistry, including medical chemistry, 35(2), 1996, pp. 144-146
The behaviour of isothiocyanate 1 towards active methylene pas been st
udied together with its heterocyclization using urea, thiourea and hyd
razine. The reaction of 1 with aniline and intramolecular cyclizations
of the product has also been described.