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標題: Synthesis, characterization of hetero-bimetallic complex and application in the polymerization of epsilon-caprolactone
作者: Pan, X.B.
Liu, A.
Yao, L.H.
Wang, L.
Zhang, J.F.
Wu, J.C.
Zhao, X.B.
Lin, C.C.
Project: Inorganic Chemistry Communications
期刊/報告no:: Inorganic Chemistry Communications, Volume 14, Issue 5, Page(s) 763-766.
The reaction of 2,2'-ethylidenebis(4,6-di-tert-butylphenol)(EDBP-H(2)) with sodium, Al(Me)(3) and BnOH with a molar of ratio of 1:1:1:1 in THF gives hetero-bimetallic complex of [(EDBP)Al(CH(3))(mu(2)-OBn)Na(THF)(3)](1) in 85% yield. In order to investigate the different anion effects on the ROP of epsilon-caprolactone, complexes [(EDBP)(2)Al][(Li)(THF)(2)] (2) and [(EDBP)(2)Al][(Na)(THF)(2)] (3) were prepared in an analogous manner to that of 1 in 63% and 71% yields respectively. Experimental results show that hetero-bimetallic complex 1 is an efficient catalyst for the ring-opening polymerization of epsilon-caprolactone. (C) 2011 Elsevier B.V. All rights reserved.
ISSN: 1387-7003
DOI: 10.1016/j.inoche.2011.03.003
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