| Synthetic and Structural Studies of N-Heterocyclic Carbene Complexes of Nickel |
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| 作者姓名： | WANG Jun-Wen
XU Fang-Bo
LI Qiang-Shan
SONG Hai-Bin
LIU Yong-Sheng
ZHANG Zheng-Zhi |
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| 作者单位： | WANG,Jun-Wen（State Key Laboratory of Element-Organic Chemistry, Nankai University, Tianjin 300071）
XU,Fang-Bo（State Key Laboratory of Element-Organic Chemistry, Nankai University, Tianjin 300071）
LI,Qiang-Shan（State Key Laboratory of Element-Organic Chemistry, Nankai University, Tianjin 300071）
SONG,Hai-Bin（State Key Laboratory of Element-Organic Chemistry, Nankai University, Tianjin 300071）
LIU,Yong-Sheng（State Key Laboratory of Element-Organic Chemistry, Nankai University, Tianjin 300071）
ZHANG,Zheng-Zhi（State Key Laboratory of Element-Organic Chemistry, Nankai University, Tianjin 300071） |
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| 摘 要： | Transition metal complexes of stable N-heterocyclic carbenes have recently gained increasing attention as pre-catalysts for a number of important reactions primarily based on the analogy between N-heterocyclic carbenes and strong ó-donating tertiary phosphines,1] Although a large number of transition-metal carbene complexes have been reported, very few incorporate chelating carbenes were reported.2,3] Therefore, we have set out to prepare and study transition-metal compounds with chelating di-N-heterocyclic carbenes, and we now report new dicationic tetra(carbine)nickel(Ⅱ) complexes in this class (Scheme 1). Their structures have been determined by single-crystal X-ray diffraction studies (Figure 1).
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Synthetic and Structural Studies of N-Heterocyclic Carbene Complexes of Nickel |
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| WANG,Jun-Wen,XU,Fang-Bo,LI,Qiang-Shan,SONG,Hai-Bin,LIU,Yong-Sheng,ZHANG,Zheng-Zhi.Synthetic and Structural Studies of N-Heterocyclic Carbene Complexes of Nickel[J].Chinese Journal of Organic Chemistry,2004,24(Z1):213. |
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| Authors: | WANG Jun-Wen XU Fang-Bo LI Qiang-Shan SONG Hai-Bin LIU Yong-Sheng ZHANG Zheng-Zhi |
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| Abstract: | Transition metal complexes of stable N-heterocyclic carbenes have recently gained increasing attention as pre-catalysts for a number of important reactions primarily based on the analogy between N-heterocyclic carbenes and strong ó-donating tertiary phosphines,1] Although a large number of transition-metal carbene complexes have been reported, very few incorporate chelating carbenes were reported.2,3] Therefore, we have set out to prepare and study transition-metal compounds with chelating di-N-heterocyclic carbenes, and we now report new dicationic tetra(carbine)nickel(Ⅱ) complexes in this class (Scheme 1). Their structures have been determined by single-crystal X-ray diffraction studies (Figure 1). |
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