Synthesis of Acetophenone Benzopyran Derivative Catalyzed by Lewis Acids
QI Xiao-Yan, WU Lin, WANG Jian-Guo, YI De-Lian, ZHOU Jin-Xia, LIU Min, PENG Gong-Ming
Chin. J. Org. Chem. . 2010, (12): 1944 -1948 .