Synthesis of pyrimido[6,1-a]isoquinolines via a one-pot, four-component reaction
摘要:
An efficient one-pot synthesis of pyrimido[6,1-a]isoquinoline-1-carboxylate derivatives is described. This involves the four-component reaction between primary amines, alkyl acetoacetates, isoquinoline and trichloromethylchloroformate (diphosgene) under mild conditions at ambient temperature. (C) 2010 Elsevier Ltd. All rights reserved.