Abstract
Benzoyl isothiocyanate reacts with active methylene reagents e.g. ethyl cyanoacetate, malonitrile and acetylacetone to give, in each case, the corresponding 1:1 adduct 1, 13 and 14 respectively, Compound 1 was utilized for the synthesis of several heterocyclic derivatives. Compound 14 undergoes ready cyclization in basic medium to give the 1,3-oxazine derivative 15. The structures of the products were assigned and confirmed on the basis of their elemental analysis and spectral data.
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