@article {6640, title = {A concise and diversity-oriented strategy for the synthesis of benzofurans and indoles via ugi and diels-alder reactions}, journal = {Journal of Combinatorial Chemistry}, year = {2005}, pages = {958-967}, doi = {10.1021/cc050099b}, url = {http://www.ncbi.nlm.nih.gov/pubmed/16283808}, author = {Kui Lu and Tuoping Luo and Zheng Xiang and Zejin You and Reza Fathi and Jia Hua Chen and Zhen Yang} }