A new methodology of annelation of five- and seven-membered heterocycles to quinoxalines
作者:A. M. Boguslavskiy、M. G. Ponizovskiy、M. I. Kodess、V. N. Charushin
DOI:10.1023/b:rucb.0000011876.37291.0e
日期:2003.10
Pyrazolo[3,4-b]-, isoxazolo[4,5-b]-, benzo[2,3]-1,4-diazepino-, and benzo[2,3]-1,4-oxazepinoquinoxalines were prepared by reactions of 2-quinoxalinecarboxaldehyde with 1,2-N,N-, 1,2-N,O and 1,4-N,N- and 1,4-N,O-dinucleophiles.