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Electrochemical Reduction and Carboxylation of Ethyl Cinnamate in MeCN
Author(s) -
WANG Huan,
DU YanFang,
LIN MeiYu,
ZHANG Kai,
LU JiaXing
Publication year - 2008
Publication title -
chinese journal of chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.28
H-Index - 41
eISSN - 1614-7065
pISSN - 1001-604X
DOI - 10.1002/cjoc.200890316
Subject(s) - chemistry , carboxylation , electrochemistry , electrolysis , yield (engineering) , anode , substrate (aquarium) , acetonitrile , solvent , cathode , inorganic chemistry , electrode , organic chemistry , electrolyte , catalysis , metallurgy , geology , materials science , oceanography
The electrochemical reduction and carboxylation of ethyl cinnamate have been carried out in an undivided cell equipped with a Mg sacrificial anode using MeCN as solvent. Direct electroreduction led to the formation of the hydrodimers and saturated ester. And electrocarboxylation was carried out in the presence of CO 2 . The global yield and the ratio of mono‐ to dicarboxylic acids were strongly affected by various factors: electrode material, electrolysis potential, the substrate concentration and temperature. The high yield (78%) was obtained under an optimized reaction condition (cathode: Ni; electrolysis potential: −1.7 V; substrate concentration: 0.1 mol·L −1 ; and temperature: −10 °C).
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