Palladium-Catalyzed Asymmetric Dihydroxylation of 1,3-Dienes with Catechols

被引：11

作者：

Fan, Tao ^{[1
,2
]}

Shen, Hong-Cheng ^{[1
,2
]}

Han, Zhi-Yong ^{[1
,2
]}

Gong, Liu-Zhu ^{[1
,2
]}

机构：

[1] Univ Sci & Technol China, Hefei Natl Lab Phys Sci Microscale, Hefei 230026, Anhui, Peoples R China

[2] Univ Sci & Technol China, Dept Chem, Hefei 230026, Anhui, Peoples R China

来源：

CHINESE JOURNAL OF CHEMISTRY | 2019年 / 37卷 / 03期

关键词：

KINETIC RESOLUTION; CONJUGATED DIENES; BOND ACTIVATION; ALLYLATION; ALCOHOLS; DIFUNCTIONALIZATION; ENANTIOMERS; LIGANDS; ALKENES;

D O I：

10.1002/cjoc.201800540

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

of main observation and conclusion A palladium-catalyzed asymmetric dihydroxylation of 1,3-dienes with catechols is developed using chiral pyridinebis(oxazoline) ligands. Various chiral 2-substituted 1,4-benzodioxanes could be synthesized with moderate to high yields and enantioselectivities from readily available starting materials. The reaction is proposed to proceed through a cascade Wacker-type hydroxypalladation/asymmetric allylation process.

引用

页码：226 / 232

页数：7

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