beta-Naphthoxyacetyl isothiocyanate 1 was reacted with aniline, anthra
nilic acid, guanidinium carbonate, o-phenylenediamine and /or glycine
to give thiourea 2, quinazoline 6, triazine 8, benzimidazole 10 and th
iohydantoin 11, respectively. Also reactions of 1 with phenyl isocyana
te, acetyl acetone and ethyl acetoacetate have also been described.