The first electrochemical hydrolysis of hydrosilanes to silanols under mild and neutral reaction conditions is reported. The practical protocol employs commercially available and cheap NHPI as a hydrogen‐atom transfer (HAT) mediator and operates at room temperature with high selectivity, leading to various valuable silanols in moderate to good yields. Notably, this electrochemical method exhibits a
The photocatalyzed synthesis of silanols from tertiary silanes has been carried out using eosin Y under air. This is a metal-free method that uses a low catalyst loading, atmospheric oxygen as the oxidant, and visible-light conditions (blue light).
使用曙红 Y 在空气中进行了由叔硅烷光催化合成硅烷醇。这是一种无金属方法,使用低催化剂负载、大气中的氧气作为氧化剂和可见光条件(蓝光)。
Visible Light-Mediated Organoboron-Catalyzed Metal-Free Synthesis of Silanols from Silanes
作者:Jinbo Yang、Xiangxue Cao、Lanfeng Wei、Jianshu Zhang、Jinli Zhang、Ping Liu、Liang Xu、Pengfei Li
DOI:10.3390/molecules28104082
日期:——
Herein, a four-coordinated organoboron compound, aminoquinoline diarylboron (AQDAB), is utilized as the photocatalyst in the oxidation of silane to silanol. This strategy effectively oxidizes Si–H bonds, affording Si–O bonds. Generally, the corresponding silanols can be obtained in moderate to good yields at room temperature under oxygen atmospheres, representing a green protocol to complement the