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Electrosynthesis of β‐methylpentadecanedioic acid dimethyl ester
Author(s) -
Zhongcheng Zhang,
Jiali Liu,
Yuxia Shang
Publication year - 1995
Publication title -
journal of chemical technology and biotechnology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.64
H-Index - 117
eISSN - 1097-4660
pISSN - 0268-2575
DOI - 10.1002/jctb.280640304
Subject(s) - electrosynthesis , chemistry , electrolysis , distillation , organic chemistry , petroleum ether , extraction (chemistry) , dimethyl ether , nuclear chemistry , catalysis , electrochemistry , electrolyte , electrode
β‐Methylpentadecanedioic acid dimethyl ester ( I ) was synthesized electrochemically by Kolbe reaction using β‐methylglutaric acid monomethyl ester ( II ) and α,ω‐dodecanedioic acid monomethyl ester (III) as starting materials in MeOH solution. Electrolysis was carried out ofr about 4–5 h, when solution pH ≥ 7, followed by extraction with petroleum ether and distillation to obtain a colourless oily product ( I ) The minimum production cost occurred when the mole ration of II to III was 1:1·38 and unreacted III could be recovered. The product synthesized ( I ) completely met the requirement of artificially synthesized musk.