Chemoselective hydrogenation of nitro compounds with supported gold catalysts

被引:1368
作者
Corma, Avelino [1 ]
Serna, Pedro [1 ]
机构
[1] Univ Politecn Valencia, Consejo Super Invest Cient, Inst Tecnol Quim, Valencia 46022, Spain
关键词
D O I
10.1126/science.1128383
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
The selective reduction of a nitro group when other reducible functions are present is a difficult process that often requires stoichiometric amounts of reducing agents or, if H 2 is used, the addition of soluble metals. Gold nanoparticles supported on TiO2 or Fe2O3 catalyzed the chemoselective hydrogenation of functionalized nitroarenes with H-2 under mild reaction conditions that avoided the accumulation of hydroxylamines and their potential exothermic decomposition. These chemoselective hydrogenation gold catalysts also provide a previously unknown route for the synthesis of the industrially relevant cyclohexanone oxime from 1-nitro-1-cyclohexene.
引用
收藏
页码:332 / 334
页数:3
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