Synthesis of sulfone-functionalized chroman-4-ones and chromans through visible-light-induced cascade radical cyclization under transition-metal-free conditions

被引：50

作者：

Mei, Yousheng ^{[1
,2
,3
]}

Zhao, Lulu ^{[3
]}

Liu, Qi ^{[3
]}

Ruan, Shuchen ^{[3
]}

Wang, Lei ^{[1
,2
,3
]}

Li, Pinhua ^{[3
]}

机构：

[1] Taizhou Univ, Adv Res Inst, Taizhou 318000, Zhejiang, Peoples R China

[2] Taizhou Univ, Dept Chem, Taizhou 318000, Zhejiang, Peoples R China

[3] Huaibei Normal Univ, Dept Chem, Minist Educ, Key Lab Green & Precise Synthet Chem & Applicat, Huaibei 235000, Anhui, Peoples R China

来源：

GREEN CHEMISTRY | 2020年 / 22卷 / 07期

基金：

中国国家自然科学基金;

关键词：

CHROMONE DERIVATIVES; ACCESS; DECARBOXYLATION; ANNULATION; PHENOLS; ACIDS;

D O I：

10.1039/d0gc00009d

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A highly efficient and straightforward approach has been developed for selective intramolecular radical cyclization of arylsulfinic acids with o-(allyloxy)arylaldehydes, o-(homoallyloxy)arylaldehydes and (but-3-en-1-yloxy)benzenes. This photoinduced reaction generated sulfone-functionalized chroman-4-ones and chromans in good to excellent yields under simple and mild conditions without an external photocatalyst.

引用

页码：2270 / 2278

页数：9

共 47 条

[1] Visible-Light-Promoted Cascade Radical Cyclization: Synthesis of Chroman-4-ones and Dihydroquinolin-4-ones
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[2] Visible-light induced cascade radical cyclization of sulfinic acids and o-(allyloxy)arylaldehydes towards functionalized chroman-4-ones
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[3] Visible-light induced cascade radical cyclization of sulfinic acids and o-(allyloxy)arylaldehydes towards functionalized chroman-4-ones
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