Synthesis,characterization of amine-bridged bis (phenolate) yttrium alkyl complex and its catalytic behavior for the Tishchenko reaction 被引量：2

Synthesis,characterization of amine-bridged bis (phenolate) yttrium alkyl complex and its catalytic behavior for the Tishchenko reaction

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摘要 Reaction of homoleptic yttrium tris-alkyl complex YR3 (R=CH2C6H4NMe2-o) with 1 equivalent of amine bis(phenol)s LH2 (L=Me2NCH2CH2N(CH2-(2-O-C6H2-But2-3,5))2) afforded the solvent-free yttrium alkyl complex LYR (1),which has been characterized with elemental analysis,1H NMR and IR spectra,and structural determination. The coordination geometry around the center metal atom can be best de-scribed as a distorted octahedron. It was found that complex 1 can be used as an efficient catalyst for the Tishchenko reaction. Reaction of homoleptic yttrium tris-alkyl complex YR3 （R=CH2C6H4NMe2-o） with 1 equivalent of amine bis（phenol）s LH2 （L=Me2NCH2CH2N（CH2-（2-O-C6H2-Bu^t 2-3,5））2） afforded the solvent-free yttrium alkyl complex LYR （1）, which has been characterized with elemental analysis, 1H NMR and IR spectra, and structural determination. The coordination geometry around the center metal atom can be best described as a distorted octahedron. It was found that complex 1 can be used as an efficient catalyst for the Tishchenko reaction.

作者 PANG MingLun YAO YingMing ZHANG Yong SHEN Qi

机构地区 Key Laboratory of Organic Synthesis of Jiangsu Province

出处《Chinese Science Bulletin》 SCIE EI CAS 2008年第13期1978-1982,共5页

基金 the National Natural Science Foundation of China (Grant Nos.20771078 and 20632040) Natural Science Foundation of Jiangsu Province (Grant No. BK2007505) Major Basic Research Project of the Natural Science Foundation of the Jiangsu Higher Education Institutions (Grant No.07KJA15014)

关键词酚盐稀土配位体烷基催化作用 rare earth, bis（phenolate） ligands, alkyl, Tishchenko reaction, catalyzing

分类号 O643.3 [理学—物理化学]

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参考文献10

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共引文献2

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同被引文献19

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引证文献2

1LI BaoXia,QI RuiPeng,YAO YingMing,ZHANG Yong,SHEN Qi.Synthesis and characterization of carbon-bridged bis(phenolate) lanthanum alkoxides and their catalytic behavior for the polymerization of L-lactide[J].Chinese Science Bulletin,2012,57(34):4442-4447.
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