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Mono(boratabenzene) rare-earth metal dialkyl complexes: synthesis, structure and catalytic behaviors for styrene polymerization
Alternative Title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
Source PublicationDalton Trans.
Volume44Issue:12Pages:5771-5776
AbstractFour 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.
Subtype论文
Subject Area金属有机化学
DOI10.1039/c4dt04043k
URL查看原文
Indexed BySCI
Language英语
WOS IDWOS:000351439200054
Citation statistics
Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sioc.ac.cn/handle/331003/39588
Collection金属有机化学国家重点实验室
Corresponding AuthorChen YF(陈耀峰)
Affiliation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
GB/T 7714
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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