Chemoselective photocatalytic oxidation of alcohols to aldehydes and ketones by nitromethane on titanium dioxide under violet 400 nm LED light irradiation

被引：19
作者：
Niaraki, Azam Rahimi [1 ]
Saraee, Mohammad Reza [1 ]
Kazemi, Foad [1 ,2 ]
Kaboudin, Babak [1 ]
机构：
[1] Inst Adv Studies Basic Sci, Dept Chem, Gava Zang 4513766731, Zanjan, Iran
[2] Inst Adv Studies Basic Sci, CCGW, Gava Zang 4513766731, Zanjan, Iran
来源：
ORGANIC & BIOMOLECULAR CHEMISTRY | 2020年 / 18卷 / 12期
关键词：
ONE-POT SYNTHESIS; SELECTIVE OXIDATION; AROMATIC ALCOHOLS; CORRESPONDING ALDEHYDES; AEROBIC OXIDATION; NITRO-COMPOUNDS; BENZYL ALCOHOL; SOLAR LIGHT; TIO2; NITROBENZENE;
D O I：
10.1039/c9ob02183c
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
In this study, for the first time, nitroalkanes, especially nitromethane, have been used as electron acceptors for the highly chemoselective oxidation of alcohols in the presence of a TiO2 photocatalyst under 400 nm LED irradiation. The reactions showed excellent selectivity for the production of aldehydes. Interestingly, aldehydes such as benzaldehyde and p-methoxybenzaldehyde are stable under the reaction conditions. In the case of the use of 2-nitropropane and 2-methyl-2-nitropropane, the product imine, which is the result of the reaction of the aldehyde with aliphatic amine, is also obtained.
引用
收藏
页码：2326 / 2330
页数：5
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