CJCU
Synthesis of Quino[1,2-c][1,3]benzoxazin-6-ones by [4+2] Reaction of [1,3]Benzoxazin-2-onium Ions with Olefins
WANG Jun-Pu, ZHANG Wei*, HUANG Li-Min
Chem. J. Chinese Universities . 2007, (10): 1881 -1884 .