Cross-Coupling Hydrogen Evolution Reaction in Homogeneous Solution without Noble Metals

A highly efficient noble-metal-free homogeneous system for a cross-coupling hydrogen evolution (CCHE) reaction is developed. With cheap, earth-abundant eosin Y and molecular catalyst Co(dmgH)2Cl2, good to excellent yields for coupling reactions with a variety of isoquinolines and indole substrates a...

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Published inOrganic letters Vol. 16; no. 7; pp. 1988 - 1991
Main Authors Zhong, Jian-Ji, Meng, Qing-Yuan, Liu, Bin, Li, Xu-Bing, Gao, Xue-Wang, Lei, Tao, Wu, Cheng-Juan, Li, Zhi-Jun, Tung, Chen-Ho, Wu, Li-Zhu
Format Journal Article
LanguageEnglish
Published WASHINGTON American Chemical Society 04.04.2014
Amer Chemical Soc
Subjects
catalysts
chemical structure
Chemistry
Chemistry, Organic
cobalt
cross-coupling reactions
hydrogen
hydrogen production
isoquinolines
oxidants
Physical Sciences
Science & Technology
FUNCTIONALIZATION
VISIBLE-LIGHT
ALKYLATION
GREEN CHEMISTRY
BONDS
LIGHT PHOTOREDOX CATALYSIS
EOSIN-Y
EFFICIENCY
C-H
WATER
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Summary:A highly efficient noble-metal-free homogeneous system for a cross-coupling hydrogen evolution (CCHE) reaction is developed. With cheap, earth-abundant eosin Y and molecular catalyst Co(dmgH)2Cl2, good to excellent yields for coupling reactions with a variety of isoquinolines and indole substrates and H2 have been achieved without any sacrificial oxidants. Mechanistic insights provide rich information on the effective, clean, and economic CCHE reaction.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:1523-7060
1523-7052
1523-7052
DOI:10.1021/ol500534w