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