Journal: Letters in Organic Chemistry Volume: 5 Issue: 6 Year: 2008 Page: 478-483 Author(s): Qifeng Zhu, Zaixu Xu, Yongbing Hao, Yuling Xiao, Wenjin Xu, Xianbing Ke, Hanbing Teng, Lamei Wu, Guofu Qiu, Shucai Liang, Xianming Hu