Synthesis of thieno[2,3-b]quinoxalines from 2-haloquinoxalines
作者:Montserrat Armengol、John A. Joule
DOI:10.1039/b008459j
日期:——
The palladium(0)-catalysed coupling of 2-haloquinoxalines with alkynes, addition of one mol equivalent of bromine to the 2-alkynylquinoxalines thus produced and then reaction of the resulting dibromides with dipotassium trithiocarbonate produces thieno[2,3-b]quinoxalines.