Citation

Singh H Singh S (1973) Synthesis of heterocyclics via enamines. I. Formation of 1,4-Dihydropyrimidine-2-thiols and 2-Amino-1,3-thiazines in reactions of ethyl β-aminocrotonates with β-keto isothiocyanates: role of solvents. Australian Journal of Chemistry 26, 2453-2457.

https://doi.org/10.1071/CH9732453