Direct Irradiation of (E)-Styrylpyridin-2(1H)-ones to (Z)-Isomers with Visible Light

被引：2

作者：

Sui, Jingzhi ^{[1
,2
]}

Li, Miaoran ^{[1
,2
]}

Zhang, Zihan ^{[1
,2
]}

Liang, Yong ^{[1
,2
,3
]}

Wang, Tao ^{[1
,2
]}

Zhang, Zunting ^{[1
,2
]}

机构：

[1] Shaanxi Normal Univ, Key Lab, Natl Engn Lab Resource Dev Endangered Crude Drugsi, Minist Educ Med Resources & Nat Pharmaceut Chem, Xian 710119, Peoples R China

[2] Shaanxi Normal Univ, Sch Chem & Chem Engn, Xian 710119, Peoples R China

[3] Beckman Res Inst City Hope, Dept Mol Med, Duarte, CA 91010 USA

来源：

ASIAN JOURNAL OF ORGANIC CHEMISTRY | 2023年 / 12卷 / 03期

基金：

中国国家自然科学基金;

关键词：

direct irradiation; olefin isomerization; styrylpyridin-2(1H)-ones; visible light; Z ISOMERIZATION; Z-ALKENES; RESVERATROL; OLEFINATION; PALLADIUM; DISCOVERY; STILBENE;

D O I：

10.1002/ajoc.202200701

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

The E to Z isomerization of styrylpyridin-2(1H)-ones was achieved through visible light (420 nm) irradiation in dioxane at ambient temperature. Driven by the visible light, (E)-3-styrylpyridin-2(1H)-ones, (E)-4-styrylpyridin-2(1H)-ones and (E)-5-styrylpyridin-2(1H)-ones in dioxane at room temperature under Argon atmosphere were successfully converted to the corresponding (Z)-styrylpyridin-2(1H)-ones in good yields. The described E to Z photoisomerization of styrylpyridin-2(1H)-ones proceeded smoothly with the 420 nm blue light, avoided usage of photocatalysts, additives and are easy to operate.

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页数：4

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