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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
Wang XF(王秀芳); Leng XB(冷雪冰); Chen YF(陈耀峰)
2015
发表期刊Dalton Trans.
卷号44期号:12页码:5771-5776
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.
文章类型论文
学科领域金属有机化学
DOI10.1039/c4dt04043k
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收录类别SCI
语种英语
WOS记录号WOS:000351439200054
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文献类型期刊论文
条目标识符http://ir.sioc.ac.cn/handle/331003/39588
专题金属有机化学国家重点实验室
通讯作者Chen YF(陈耀峰)
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
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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.
APA 王秀芳,冷雪冰,&陈耀峰.(2015).Mono(boratabenzene) rare-earth metal dialkyl complexes: synthesis, structure and catalytic behaviors for styrene polymerization.Dalton Trans.,44(12),5771-5776.
MLA 王秀芳,et al."Mono(boratabenzene) rare-earth metal dialkyl complexes: synthesis, structure and catalytic behaviors for styrene polymerization".Dalton Trans. 44.12(2015):5771-5776.
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