Issue 66, 2015
From the journal:

Chemical Communications

Low temperature in situ Raman spectroscopy of an electro-generated arylbis(arylthio)sulfonium ion†

Kouichi Matsumoto,*a   Yu Miyamoto,a   Kazuaki Shimada,a   Yusuke Morisawa,a   Hendrik Zipse,b   Seiji Suga,c   Jun-ichi Yoshida,d   Shigenori Kashimuraa  and  Tomonari Wakabayashi*a  

* Corresponding authors

a Department of Chemistry, School of Science and Engineering, Kindai University, Kowakae 3-4-1, Higashi-Osaka, Osaka 577-8502, Japan
E-mail: kmatsumo@chem.kindai.ac.jp, wakaba@chem.kindai.ac.jp
Fax: +81-6-6723-2721
Tel: +81-6-4307-3408

b Department of Chemistry, LMU München, Butenandtstrasse 5-13, D-81377 München, Germany
E-mail: zipse@cup.uni-muenchen.de
Fax: +49-89-218077738
Tel: +49-89-218077737

c Graduate School of Natural Science and Technology, Okayama University, Tsuhsima-Naka 3-1-1, Kita-ku, Okayama 700-8530, Japan
E-mail: suga@cc.okayama-u.ac.jp
Fax: +81-86-251-8081
Tel: +81-86-251-8081

d Department of Synthetic Chemistry and Biological Chemistry, Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto 615-8510, Japan
E-mail: yoshida@sbchem.kyoto-u.ac.jp
Fax: +81-75-383-2727
Tel: +81-75-383-2726

Abstract

A low temperature in situ Raman spectroscopic method was developed for the detection of unstable intermediates in electro-organic chemistry. It was effective for monitoring the generation of ArS(ArSSAr)+ by the electrochemical oxidation of ArSSAr (Ar = p-FC6H4) in Bu4NBF4/CH2Cl2 at 195 K. The intensity of a Raman band at 427 cm−1, which is attributable to the S–S vibration of ArS(ArSSAr)+, increased with an increase in the electricity until 2/3 F of the electricity was consumed, whereas decreased with a further increase in the electricity indicating the decomposition of ArS(ArSSAr)+.

Graphical abstract: Low temperature in situ Raman spectroscopy of an electro-generated arylbis(arylthio)sulfonium ion

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Article information

DOI
https://doi.org/10.1039/C5CC03585F
Article type
Communication
Submitted
29 Apr 2015
Accepted
07 Jul 2015
First published
07 Jul 2015

Chem. Commun., 2015,51, 13106-13109

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Low temperature in situ Raman spectroscopy of an electro-generated arylbis(arylthio)sulfonium ion

K. Matsumoto, Y. Miyamoto, K. Shimada, Y. Morisawa, H. Zipse, S. Suga, J. Yoshida, S. Kashimura and T. Wakabayashi, Chem. Commun., 2015, 51, 13106 DOI: 10.1039/C5CC03585F

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