Metal-free visible-light-mediated aerobic oxidation of silanes to silanols

被引：22
|
作者：
Wang, Jing [1 ]
Li, Bin [1 ]
Liu, Li-Chuan [1 ]
Jiang, Chenran [1 ]
He, Tao [1 ]
He, Wei [1 ]
机构：
[1] Tsinghua Univ, Sch Pharmaceut Sci, Beijing 100084, Peoples R China
来源：
SCIENCE CHINA-CHEMISTRY | 2018年 / 61卷 / 12期
基金：
国家重点研发计划; 中国国家自然科学基金;
关键词：
metal-free; photoredox; aerobic oxidation; silanes; MERGING PHOTOREDOX CATALYSIS; DIRECTING GROUP; SINGLET OXYGEN; HYDROGEN; AROMATIZATION; ORGANOSILANES; ALKENYLATION; GENERATION; PRODUCT; OXIDANT;
D O I：
10.1007/s11426-018-9289-9
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Oxidation of silanes into silanols using water/air has attracted considerable attention. The known methods with no exception required a metal catalyst. Herein we report the first metal-free method: 2 mol% Rose Bengal as the catalyst, air (O-2) as the oxidant, water as the additive and under visible light irradiation. While this method produces various silanols in a simple, cost-effective, efficient (92%-99% yields) and scalable fashion, its reaction mechanism is very different than the reported ones associated with metal catalysis.
引用
收藏
页码：1594 / 1599
页数：6
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