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

Kouichi Matsumoto; Yu Miyamoto; Kazuaki Shimada; Yusuke Morisawa; Hendrik Zipse; Seiji Suga; Jun Ichi Yoshida; Shigenori Kashimura; Tomonari Wakabayashi

doi:10.1039/c5cc03585f

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

Kouichi Matsumoto, Yu Miyamoto, Kazuaki Shimada, Yusuke Morisawa, Hendrik Zipse, Seiji Suga, Jun Ichi Yoshida, Shigenori Kashimura, Tomonari Wakabayashi

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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)⁺.

Original language	English
Pages (from-to)	13106-13109
Number of pages	4
Journal	Chemical Communications
Volume	51
Issue number	66
DOIs	https://doi.org/10.1039/c5cc03585f
Publication status	Published - Aug 25 2015

ASJC Scopus subject areas

Catalysis
Electronic, Optical and Magnetic Materials
Ceramics and Composites
Chemistry(all)
Surfaces, Coatings and Films
Metals and Alloys
Materials Chemistry

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

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)+.",

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T1 - Low temperature in situ Raman spectroscopy of an electro-generated arylbis(arylthio)sulfonium ion

AU - Matsumoto, Kouichi

AU - Miyamoto, Yu

AU - Shimada, Kazuaki

AU - Morisawa, Yusuke

AU - Zipse, Hendrik

AU - Suga, Seiji

AU - Yoshida, Jun Ichi

AU - Kashimura, Shigenori

AU - Wakabayashi, Tomonari

PY - 2015/8/25

Y1 - 2015/8/25

N2 - 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)+.

AB - 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)+.

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

Abstract

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