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Journal of Zhejiang University SCIENCE A

ISSN 1673-565X(Print), 1862-1775(Online), Monthly

2004 Vol.5 No.10 P.1175-1179

A novel reduction of diketones with i-RMgBr catalyzed by Cp2TiCl2 and deoxygenation of sulfoxides by Cp2TiCl2/Al system

ZHANG Yong-min, LIN Mao-qin, YU Yong-ping

Department of Chemistry, Zhejiang University, Hangzhou 310028, China; State Key Laboratory of Organometallic Chemistry, Chinese Academy of Sciences, Shanghai 200032, China

yminzhang@mail.hz.zj.cn

Abstract: α-diketones and β-diketones react with Grignard reagents in the presence of a catalytic amount of Cp2TiCl2 to yield α-ketols and corresponding ketones respectively. Sulfoxides can be deoxygenated by Cp2TiCl2/Al system. The possible mechanisms are also discussed.

Key words: Grignard reagent, Cp2TiCl2-catalyzed, α-diketone, β-diketone, Reduction


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DOI:

10.1631/jzus.2004.1175

CLC number:

O622.6

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On-line Access:

2024-08-27

Received:

2023-10-17

Revision Accepted:

2024-05-08

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