Cobalt-Catalyzed Regioselective Hydroboration of Terminal Alkenes

被引：41

作者：

Zhang, Guoqi ^{[1
,2
]}

Wu, Jing ^{[1
,2
,3
]}

Wang, Man ^{[1
,2
,4
]}

Zeng, Haisu ^{[1
,2
,3
]}

Cheng, Jessica ^{[1
,2
]}

Neary, Michelle C. ^{[3
]}

Zheng, Shengping ^{[3
]}

机构：

[1] CUNY, Grad Ctr, Dept Sci, John Jay Coll, New York, NY 10019 USA

[2] CUNY, Grad Ctr, PhD Chem Program, New York, NY 10019 USA

[3] CUNY Hunter Coll, Dept Chem, New York, NY 10065 USA

[4] New York Mil Acad, 78 Acad Ave, Cornwall On Hudson, NY 12520 USA

来源：

EUROPEAN JOURNAL OF ORGANIC CHEMISTRY | 2017年 / 2017卷 / 38期

关键词：

Hydroboration; Alkenes; Regioselectivity; Cobalt; Homogeneous catalysts; N ligands; MARKOVNIKOV-SELECTIVE HYDROBORATION; ASYMMETRIC HYDROBORATION; ISOMERIZATION-HYDROBORATION; 1,1-DISUBSTITUTED ALKENES; TRANSFER HYDROGENATION; ARYL ALKENES; C=N BONDS; IRON; ALCOHOLS; AMINES;

D O I：

10.1002/ejoc.201701047

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Cobalt(II) catalysts based on flexible PNP or NNN ligands were explored for the regioselective hydroboration of alkenes. A known Co-II-PNP pincer complex was found to efficiently catalyze alkene hydroboration with excellent anti-Markovnikov selectivity, whereas a newly synthesized dinuclear Co-II-NNN complex was found to catalyze the hydroboration of a range of aromatic terminal alkenes with good Markovnikov selectivities (up to 98:2, b/l). This represents a rare example of Markovnikov selectivity in the hydroboration of alkenes using an inexpensive, flexible-ligand-supported dinuclear cobalt catalyst.

引用

页码：5814 / 5818

页数：5

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