Synthesis of gem-Difluoromethylenated Goniodiol
XIE Yang-Fenga,XU Xiu-Huab,YUE Xu-Yib
YOU Zheng-Weib,QING Feng-Ling*,a,b
Chin. J. Org. Chem. . 2008, (2): 283 -287 .