Highly 1,2-Selective Polymerization of 1,3-Butadiene with Rare-earth Metal Bis(alkyl)s Bearing an Iminophosphonamide Ligand
LIU Bo1,2, LI Shihui2, LI Danfeng2, LV Kui2, CUI Dongmei2*, SUN Guangping1*
Chinese Journal of Applied Chemistry . 2012, (12): 1394 -1398 .  DOI: 10.3724/SP.J.1095.2012.20431