NHC-Palladium(II) Mononuclear and Binuclear Complexes Containing Phenylene-Bridged Bis(thione) Ligands: Synthesis, Characterization, and Catalytic Activities

被引：20

作者：

Jia, Wei-Guo ^{[1
,2
]}

Gao, Li-Li ^{[1
]}

Wang, Zhi-Bao ^{[1
]}

Wang, Jing-Jing ^{[1
]}

Sheng, En-Hong ^{[1
]}

Han, Ying-Feng ^{[2
,3
]}

机构：

[1] Anhui Normal Univ, Coll Chem & Mat Sci, Minist Educ,State Key Lab Cultivat Base, Anhui Lab Mol Based Mat,Key Lab Funct Mol Solids, Wuhu 241002, Peoples R China

[2] Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fuzhou 350002, Peoples R China

[3] Northwest Univ, Coll Chem & Mat Sci, Minist Educ, Key Lab Synthet & Nat Funct Mol Chem, Xian 710127, Peoples R China

来源：

ORGANOMETALLICS | 2020年 / 39卷 / 10期

基金：

中国国家自然科学基金;

关键词：

N-HETEROCYCLIC CARBENE; HALF-SANDWICH IRIDIUM; PALLADIUM COMPLEXES; TRANSFER HYDROGENATION; SUZUKI-MIYAURA; COORDINATION POLYMERS; LIGATION SYNTHESIS; NHC; BEARING; PRECATALYSTS;

D O I：

10.1021/acs.organomet.0c00091

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

A series of mono- and binuclear Pd(II) complexes with N-heterocyclic carbene (NHC) and phenylene-bridged bis(thione) (SCS) ligands were prepared and characterized by H-1 and C-13 NMR spectroscopy, IR, and mass spectrometry. The molecular structures of 1b, 2a, and 3b have been determined by the single-crystal X-ray diffraction method. The catalytic activities of the synthesized palladium complexes in the regioselective reduction of quinolines to the corresponding 1,2,3,4-tetrahydroquinolines were thoroughly investigated with ammonia-borane under mild reaction conditions. It is observed that the activities of the binuclear Pd(NHC) complexes were higher than those of the corresponding mononuclear complexes under the same conditions.

引用

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页码：1790 / 1798

页数：9

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