4CzIPN catalyzed photochemical oxidation of benzylic alcohols

被引：13
|
作者：
Zhang, Heng [1 ]
Guo, Tianyun [1 ]
Wu, Mingzhong [2 ]
Huo, Xing [2 ]
Tang, Shouchu [1 ]
Wang, Xiaolei [2 ]
Liu, Jian [1 ]
机构：
[1] Lanzhou Univ, Sch Pharm, Lanzhou 730000, Peoples R China
[2] Lanzhou Univ, State Key Lab Appl Organ Chem, Lanzhou 730000, Peoples R China
来源：
TETRAHEDRON LETTERS | 2021年 / 67卷
关键词：
Photocatalysts; Oxidation; Air; Benzylic alcohols;
D O I：
10.1016/j.tetlet.2021.152878
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
A green photoredox oxidation of benzylic primary and secondary alcohols to aldehydes and ketones with air as an oxidant was reported. The oxidation shows broad substrate scope and excellent selectivity over benzylic alcohols to the aliphatic alcohols. Further mechanistic studies revealed a quinuclidine mediated HAT process, and blue LEDs promoted 4CzIPN (1,2,3,5-tetrakis(carbazol-9-yl)-4,6-dicyanobenzene) photoredox cycle were involved in our oxidation. (C) 2021 Elsevier Ltd. All rights reserved.
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页数：4
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