Issue 4, 2003
From the journal:

Green Chemistry

A green method of adipic acid synthesis: organic solvent- and halide-free oxidation of cycloalkanones with 30% hydrogen peroxide

Yoko Usuia  and  Kazuhiko Sato*a  

* Corresponding authors

a National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 5, Tsukuba 305-8565, Japan
E-mail: k.sato@aist.go.jp
Fax: +81-29-861-4852
Tel: +81-29-861-4852

Abstract

Cyclohexanone and cyclohexanol are oxidized to adipic acid in high yield with aqueous 30% H2O2 in the presence of H2WO4 as a catalyst under organic solvent- and halide-free conditions. It is important that no solvent is used in order to achieve high reactivity in this heterogeneous reaction. The use of t-butyl alcohol or dioxane as a solvent (homogeneous conditions) significantly decreases the yield of adipic acid from cyclohexanone. This ketone-to-dicarboxylic acid conversion is applicable to five- to eight-membered cyclic ketones. No operational problems are foreseen for a large-scale version of this green process.

Graphical abstract: A green method of adipic acid synthesis: organic solvent- and halide-free oxidation of cycloalkanones with 30% hydrogen peroxide

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Article information

DOI
https://doi.org/10.1039/B305847F
Article type
Communication
Submitted
23 May 2003
First published
11 Jul 2003

Green Chem., 2003,5, 373-375

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A green method of adipic acid synthesis: organic solvent- and halide-free oxidation of cycloalkanones with 30% hydrogen peroxide

Y. Usui and K. Sato, Green Chem., 2003, 5, 373 DOI: 10.1039/B305847F

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