Arbuzov B.; Sobova N.; Balabanova F.; Fuzhenkova A.; Pankrat'eva V.
(1973)
1. Trichloroacetyl isocyanate reacts with the p-CH3- and p-CH3O-substituted and unsubstituted phenylacetylenes and certain tolanes of the 2,4-cycloaddition type, with the formation of 1,3-oxazin-4-one derivatives. 2. A ...