Issue 4, 2001
From the journal:

Green Chemistry

A green route to the synthesis of azo compounds

Ren-Zhong Qiao,a   Yan Zhang,a   Xin-Ping Hui,a   Peng-Fei Xu,*a   Zi-Yi Zhang,*a   Xiao-Yang Wangb  and  Yu-Lu Wangc  

* Corresponding authors

a College of Chemistry and Chemical Engineering, National Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou, P.R. China.
E-mail: yaolq@lzu.edu.cn

b College of Chemistry and Chemical Engineering, Zhengzhou University, Zhengzhou, P.R. China

c College of Chemistry and Environmental Science, Henan Normal University, Xinxiang, P.R. China

Abstract

Polyethylene glycol (PEG, average molecular weight 400) was used as an absorbent for NO2, the absorptivity was found to reach up to 97%. PEG·NO2, the resulting absorbent product, proved to be a very efficient, clean and moderate oxidant, It can convert hydrazo derivatives 1 to the corresponding azo compounds 2 for the first time. The spent PEG can be recovered and recycled after the oxidation process.

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Article information

DOI
https://doi.org/10.1039/B103840K
Article type
Paper
Submitted
30 Apr 2001
First published
26 Jul 2001

Green Chem., 2001,3, 186-188

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A green route to the synthesis of azo compounds

R. Qiao, Y. Zhang, X. Hui, P. Xu, Z. Zhang, X. Wang and Y. Wang, Green Chem., 2001, 3, 186 DOI: 10.1039/B103840K

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