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

页码：1594 / 1599

页数：6

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