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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
Liu DM(刘冬梅)1; Qiu ZZ(邱早早)1; Xie ZW(谢作伟)1
2015
发表期刊Inorg. Chem. Front.
卷号2期号:5页码:467-472
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.
文章类型论文
学科领域金属有机化学
DOI10.1039/c4qi00244j
URL查看原文
收录类别SCI
语种英语
WOS记录号WOS:000364547300007
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被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.sioc.ac.cn/handle/331003/39656
专题金属有机化学国家重点实验室
通讯作者Xie ZW(谢作伟)
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
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GB/T 7714
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.
APA 刘冬梅,邱早早,&谢作伟.(2015).Synthesis, structure, and alkyne insertion of a mixed-sandwich zirconacarborane alkyl.Inorg. Chem. Front.,2(5),467-472.
MLA 刘冬梅,et al."Synthesis, structure, and alkyne insertion of a mixed-sandwich zirconacarborane alkyl".Inorg. Chem. Front. 2.5(2015):467-472.
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