Condensation Reaction of Ethyl 4-Oxo-4H-benzo[d][1,3]oxazine-2-carboxylates with Potassium Cyanate: 2,4(1H,3H)-Quinazolinediones Synthesis
作者:Farzad Nikpour、Forugh Havasi、Zeinab Arzegar
DOI:10.3987/com-12-12551
日期:——
The condensation reaction of ethyl 4-oxo-4H-benzo[d][1,3]oxazine-2-carboxylates with acidic solution of potassium cyanate offers a novel and expedient route to the synthesis of 2,4(1H,3H)-quinazolinediones under mild reaction conditions.