除氧
试剂
分子内力
环氧化物
戒指(化学)
化学
分子间力
钛
反应机理
酒
组合化学
光化学
药物化学
有机化学
催化作用
分子
作者
T. V. RajanBabu,William A. Nugent,Sandipan Halder
出处
期刊:Organic Reactions
日期:2022-12-29
卷期号:: 1-331
被引量:2
标识
DOI:10.1002/0471264180.or111.01
摘要
The ring‐opening reactions of epoxides with titanium(III) reagents such as Cp 2 TiCl are critically reviewed, including the scope, limitations, and mechanism of these synthetically useful transformations. The initial reaction proceeds by single‐electron transfer to give a carbon‐centered β‐titanoxy radical. The resulting radical can be terminated by a number of different reaction pathways, including epoxide deoxygenation, reduction to the alcohol, intermolecular addition to activated olefins, and intramolecular addition (cyclization). The literature is surveyed from the first reported examples in 1988 through October, 2021.
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