Copper(I)-Olefin Complexes: The Effect of the Trispyrazolylborate Ancillary Ligand in Structure and Reactivity

被引：28

作者：

Martin, Carmen ^{[1
]}

Maria Munoz-Molina, Jose ^{[1
]}

Locati, Abel ^{[2
]}

Alvarez, Eleuterio ^{[3
]}

Maseras, Feliu ^{[2
]}

Belderrain, Tomas R. ^{[1
]}

Perez, Pedro J. ^{[1
]}

机构：

[1] Univ Huelva, CIQSO, Dept Quim & Ciencia Mat, Lab Catalisis Homogenea,Unidad Asociada CSIC, Huelva 21007, Spain

[2] Inst Chem Res Catalonia ICIQ, Tarragona 43007, Spain

[3] Univ Seville, CSIC, Inst Invest Quim, Seville 41092, Spain

来源：

ORGANOMETALLICS | 2010年 / 29卷 / 16期

关键词：

COPPER-HOMOSCORPIONATE COMPLEXES; MOLECULAR-ORBITAL METHODS; CARBENE INSERTION; ACTIVE CATALYSTS; ETHYLENE; OLEFIN; ACTIVATION; CYCLOPROPANATION; COORDINATION; SPECTROSCOPY;

D O I：

10.1021/om1002705

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The spectroscopic and structural characteristics and the relative reactivity of several Tp(Ms)Cu-(olefin) (olefin = ethylene, 1, 1-hexene, 2, ally! ethyl ether, ace, 3, cyclohexene, 4, and styrene, 5) complexes bearing the bulky hydrotris(3-mesitylpyrazolyl)borate ligand have been examined. Experimental data, including an unusual high-field chemical shift in the H-1 and C-13 NMR spectra, and DFT theoretical calculations support the proposal that the copper-olefin linkage is mainly sustained by sigma-donation, lacking a substantial degree of pi-back-donation.

引用

页码：3481 / 3489

页数：9

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