Facile syntheses of bimetallic ytterbium bisamides stabilized by a flexible bridged bis(phenolato) ligand and the high activity for the polymerization of L-lactide
Zhongjian
Zhang
,
Xiaoping
Xu
,
Song
Sun
,
Yingming
Yao
,
Yong
Zhang
and
Qi
Shen
Chem. Commun., 2009, 7414-7416
DOI:
10.1039/B915414K
Received
29 Jul 2009,
Accepted
20 Oct 2009
First published on the web
05 Nov 2009