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Direct Observation of Oxidative Cyclization of η<sup>2</sup>-Alkene and η<sup>2</sup>-Aldehyde on Ni(0) Center. Significant Acceleration by Addition of Me<sub>3</sub>SiOTf
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- Sensuke Ogoshi
- Department of Applied Chemistry, Faculty of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
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- Masa-aki Oka
- Department of Applied Chemistry, Faculty of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
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- Hideo Kurosawa
- Department of Applied Chemistry, Faculty of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
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Description
Direct oxidative cyclization of (eta2:eta2-CH2=CHCH2C6H4CHO)Ni(PR3) to form the nickelacycle and drastic acceleration of the cyclization by the addition of Me3SiOTf were observed. (eta2-PhCHO)Ni(PCy3)2 also reacted with Me3SiOTf to give (eta1:eta1-Me3SiOCH(Ph))Ni(PCy3)OTf.
Journal
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- Journal of the American Chemical Society
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Journal of the American Chemical Society 126 (38), 11802-11803, 2004-09-01
American Chemical Society (ACS)