Research Progress in Synthesis of Nitrogen-Rich Zole-Ring Com-pounds by Cycloaddition Reaction
LI Guan-Qiong, LI Yu-Chuan, MA Qiao-Li, SUN Cheng-Hui, PANG Si-Ping
Chin. J. Org. Chem. . 2010, (10): 1431 -1440 .