@article {6639, title = {Exploring an expedient IMDA reaction approach to construct the guanacastepene core}, journal = {Organic Letters}, year = {2005}, pages = {3709-3712}, doi = {10.1021/ol051312f}, url = {http://www.ncbi.nlm.nih.gov/pubmed/16092856}, author = {Chuang-Chuang Li and Shuang Liang and Xin-Hao Zhang and Zhi-Xiang Xie and Jia-Hua Chen and Yun-Dong Wu and Zhen Yang} }