烯酮
硅烷化
化学
电泳剂
激进的
亲核细胞
光化学
缩醛
光催化
加成反应
有机化学
药物化学
催化作用
作者
Tsubasa Hirata,Yoshihiro Ogasawara,Shū Kobayashi,Yasuhiro Yamashita
标识
DOI:10.1002/asia.202200647
摘要
Addition reactions of ketene silyl acetals with alkenes that do not have an electron-withdrawing group are generally difficult because the nucleophilicity of ketene silyl acetals and the electrophilicity of alkenes are not sufficient. Herein, we report photocatalytic addition reactions of ketene silyl acetals with alkenes that proceed through formation of α-carbonyl radicals. In the presence of an appropriate protic additive, the reactions proceeded smoothly under blue-light irradiation to afford the desired products in moderate to high yields.
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