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
收藏
页码：226 / 232
页数：7
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