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Epoxide Electroreduction

delete2021-12-29
delete48
PRE
AI
C
Cheng Huang
W
Wan Ma
Z
Zheng Xue-lian
M
Minghao Xu
戚
戚孝天 (Xiaotian Qi) *
Q
Qingquan Lu *
DOI:10.1021/jacs.1c11791delete
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Abstract

Abstract

En 中文
Selective hydrogenation of epoxides would be a direct and powerful approach for alcohol synthesis, but it has proven to be elusive. Here, electrochemically epoxide hydrogenation using electrons and protons as reductants is reported. A wide range of primary, secondary, and tertiary alcohols can be achieved through selective Markovnikov or anti-Markovnikov ring opening in the absence of transition metals. Mechanistic investigations revealed that the regioselectivity is controlled by the thermodynamic stabilities of the in situ generated benzyl radicals for aryl-substituted epoxides and the kinetic tendency for Markovnikov selective ring opening for alkyl-substituted epoxides.
Keywords:
ANTI-MARKOVNIKOV ALCOHOLS
RADICAL REDUCTION
METAL-REDUCTION
TITANOCENE
ELECTROCHEMISTRY
HYDROGENATION
MECHANISM
ELECTROSYNTHESIS
STEREOCHEMISTRY
HETEROCYCLES

Journal

Journal of the American Chemical Society cover
Journal of the American Chemical Society
IF:
15.6
Papers:
20.1W
Citations:
63.3W

Organization

W
wuhan university
Scholars:
5.2K
Papers: 1.5K
Citations: 0
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