Tao Xiong, Yan Li, Yunhe Lv and Qian Zhang*
Chem. Commun., 2010,46, 6831-6833 DOI: 10.1039/C0CC02175J
http://pubs.rsc.org/en/content/articlelanding/2010/cc/c0cc02175j#!divAbstract
Zhiguo Zhang, Qian Zhang,* Zhikun Ni and Qun Liu*
Chem. Commun., 2010,46, 1269-1271 DOI:10.1039/B917856B
http://pubs.rsc.org/en/content/articlehtml/2010/cc/b917856b