Synthesis of 2-Aryl-oxazolo[4,5-c]quinoline-4(5H)-ones and 2-Aryl-thiazolo[4,5-c]quinoline-4(5H)-ones

2003-07-08T00:00:00Z (GMT) by Kevin J. Hodgetts Mark T. Kershaw
Novel and highly efficient syntheses of oxazolo[4,5-c]quinoline-4(5H)-ones (1) and thiazolo[4,5-c]quinoline-4(5H)-ones (2) from ethyl 2-chlorooxazole-4-carboxylate (4) and ethyl 2-bromo-5-chlorothiazole-4-carboxylate (13), respectively, are described.