二价双烯酮亚胺基稀土金属配合物催化ε-己内酯开环聚合  

Ring-opening polymerization of ε-caprolactone catalyzed by the divalent β-diketiminate ytterbium complexes

作　　者：张振琴[1] 沈琪[2] 张勇[2] 姚英明[2] 

机构地区：[1]南京医科大学药学院,江苏南京210029 [2]苏州大学化学化工学院

出　　处：《化学研究与应用》2005年第3期352-354,共3页Chemical Research and Application

基　　金：国家自然科学基金(20472063);江苏省有机合成重点实验室资助项目

摘　　要：Divalent β-diketiminate lanthanide complexes LYbR（THF）（L=｛（2,6-Me2C6H3）NC（Me）｝2CH;R=C9H7（1）,CH3C5H4（2）,OC6H2-But2-2,6-Me-4（32））were synthesized by reducing the mixed-ligand trivalen（t） β-diketiminate ytterbium chlorides synthesized in situ with Na-K alloy.These divalent lanthanide complexes exhibit good catalytic activity for the ring opening polymerization of ε-caprolactone.Divalent β-diketiminate lanthanide complexes LYbR(THF)(L=｛(2,6-Me_2C_6H_3)NC(Me)｝_2CH;R=C_9H_7(1),CH_3C_5H_4(2),OC_6H_2-Bu^t_2-2,6-Me-4(32))were synthesized by reducing the mixed-ligand trivalen(t) β-diketiminate ytterbium chlorides synthesized in situ with Na-K alloy.These divalent lanthanide complexes exhibit good catalytic activity for the ring opening polymerization of ε-caprolactone.

关 键 词：双烯酮亚胺基 二价稀土金属配合物 Ε-己内酯 开环聚合 

分 类 号：O623.59[理学—有机化学]