One-pot Synthesis of 2-Amino-4-aryl-4H-pyrano[3,2-c]coumarinDe-rivatives Using KF/Al2O3 as Catalyst
WANG Xiang-Shan*,1,2,3,ZENG Zhao-Sen1,3,SHI Da-Qing1,3
WEI Xian-Yong2,ZONG Zhi-Min2
Chin. J. Org. Chem. . 2005, (9): 1138 -1141 .