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学科主题: 金属有机化学
题名: Synthesis, structure, and alkyne insertion of a mixed-sandwich zirconacarborane alkyl
其他题名: 锆碳硼烷-烷基化合物的合成、结构及炔烃插入反应
作者: Liu DM(刘冬梅)1; Qiu ZZ(邱早早)1; Xie ZW(谢作伟)1
通讯作者: 谢作伟
刊名: Inorg. Chem. Front.
发表日期: 2015
DOI: 10.1039/c4qi00244j
卷: 2, 期:5, 页:467-472
收录类别: SCI
文章类型: 论文
英文摘要: A neutral mixed-sandwich zirconacarborane alkyl [eta(1):sigma:eta(5)-{MeN(CH2)CH2CH2}C2B9H10]Zr(eta(5)-Cp '') (Cp '' = 1,3-(Me3Si)(2)C5H3) was prepared via methane elimination reaction of 7-Me2N(H)CH2CH2-7,8-C2B9H11 with (eta(5)-Cp '')ZrMe3, followed by an intramolecular C-H activation. It reacted with internal alkynes and trimethylsilylacetylene to give the Zr-C s bond mono-insertion products; however, the terminal alkyne 3,3dimethyl- 1-butyne underwent an acid-base reaction to produce a zirconium alkynyl complex. Both electronic and steric factors affected the regioselectivity of the insertion process. The results showed that the coordination of the sidearm nitrogen atom could enhance the thermal stability of the resulting zirconacarborane alkyl, and on the other hand, lowered the Lewis acidity of the Zr atom, leading to relatively poor reactivity. All complexes were fully characterized by NMR spectroscopy and elemental analyses. Most of them were further confirmed by single-crystal X-ray analyses.
语种: 英语
相关网址: 查看原文
WOS记录号: WOS:000364547300007
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内容类型: 期刊论文
URI标识: http://ir.sioc.ac.cn/handle/331003/39656
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: 1.香港中文大学
2.中科院上海有机化学研究所, 沪港合成化学联合实验室

Recommended Citation:
Liu DM,Qiu ZZ,Xie ZW. Synthesis, structure, and alkyne insertion of a mixed-sandwich zirconacarborane alkyl[J]. Inorg. Chem. Front.,2015,2(5):467-472.
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