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学科主题: 金属有机化学
题名: Mono(boratabenzene) rare-earth metal dialkyl complexes: synthesis, structure and catalytic behaviors for styrene polymerization
其他题名: 单硼杂苯稀土双烷基配合物: 合成、结构和催化苯乙烯聚合
作者: Wang XF(王秀芳); Leng XB(冷雪冰); Chen YF(陈耀峰)
通讯作者: 陈耀峰
刊名: Dalton Trans.
发表日期: 2015
DOI: 10.1039/c4dt04043k
卷: 44, 期:12, 页:5771-5776
收录类别: SCI
文章类型: 论文
英文摘要: Four mono(boratabenzene) rare-earth metal dialkyl complexes, [(3,5-Me-2-C5H3BR)Ln(CH2SiMe3)(2)(THF)] (1: R = NEt2, Ln = Sc; 2: R = NEt2, Ln = Lu; 3: R = Ph, Ln = Sc; 4: R = Ph, Ln = Lu), were synthesized efficiently via a one-pot strategy with Li[3,5-Me-2-C5H3BR] (R = NEt2, Ph), LnCl(3)(THF)(x) (Ln = Sc, x = 3; Ln = Lu, x = 0), and LiCH2SiMe3. The solid-state structures of 1 and 2 were determined by single-crystal X-ray diffraction. Variable-temperature NMR studies indicated that the energy barrier for the rotation of amino-boratabenzene in 1 (Delta G double dagger approximate to 71 kJ mol(-1)) is higher than that of phenylboratabenzene in 3(Delta G double dagger approximate to 59 kJ mol(-1)). These mono(boratabenzene) rare-earth metal dialkyl complexes' catalytic behaviors for styrene polymerization were investigated, and found that mono(boratabenzene) scandium dialkyl complexes show high catalytic activities for syndiotactic polymerization upon activation with cocatalysts.
语种: 英语
相关网址: 查看原文
WOS记录号: WOS:000351439200054
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内容类型: 期刊论文
URI标识: http://ir.sioc.ac.cn/handle/331003/39588
Appears in Collections:金属有机化学国家重点实验室_期刊论文

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作者单位: 中科院上海有机化学研究所, 金属有机化学国家重点实验室

Recommended Citation:
Wang XF,Leng XB,Chen YF. Mono(boratabenzene) rare-earth metal dialkyl complexes: synthesis, structure and catalytic behaviors for styrene polymerization[J]. Dalton Trans.,2015,44(12):5771-5776.
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