The highly chemoselective transfer hydrogenation of the carbon-carbon double bond of conjugated nitroalkenes by a rhodium complex

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• 作者：Jing Xiang^a ; ^c ; Er-Xiao Sun^b ; Chun-Xia Lian^a ; Wei-Cheng Yuan^a ; Jin Zhu^a ; Qiwei Wang^a ; ^{wqw@cioc.ac.cn} ; Jingen Deng^a ; ^b ; ^{jingendeng@126.com}
• 关键词：Transfer hydrogenation ; Rhodium (III)&ndash ; diamine complex ; Nitrostyrenes ; 尾-Methyl nitrostyrenes ; 3-Methyl-4-nitro-5-alkenyl-isoxazoles ; Nitroalkanes
• 刊名：Tetrahedron
• 出版年：2012
• 期刊代码：107_00404020
• 类别：ch
• 出版时间：17 June, 2012
• 卷：68
• 期：24
• 页码：4609-4620
• 文件大小：7863 K

摘要

Chemoselective transfer hydrogenation of conjugated nitroalkenes catalyzed by [RhCl₂Cp^{鈭?/sup>]₂-diamine complex (Cp鈭?/sup>=畏5-C₅Me₅) using HCOOH/Et₃N (5:2) (TEAF) as a hydrogen source was realized. A variety of nitrostyrenes, 尾-methyl nitrostyrenes, and 3-methyl-4-nitro-5-alkenyl-isoxazoles were reduced smoothly in good to excellent yields in short reaction time. Other functional groups are inert under the reaction conditions.}