Ring Size Controlled Synthesis and Structure of Cyclic Polysulfides Fused to Substituted Benzene Ring

Satoshi Ogawa Department of Chemical Engineering, Faculty of Engineering, Iwate University, Morioka, Japan

Masaru Kon-No Department of Chemical Engineering, Faculty of Engineering, Iwate University, Morioka, Japan

Hiroki Muraoka Department of Chemical Engineering, Faculty of Engineering, Iwate University, Morioka, Japan

Michiko Ogasawara Department of Chemical Engineering, Faculty of Engineering, Iwate University, Morioka, Japan

Takae Nakano Department of Chemical Engineering, Faculty of Engineering, Iwate University, Morioka, Japan

Ryu Sato Department of Chemical Engineering, Faculty of Engineering, Iwate University, Morioka, Japan

Abstract

We succeeded in the ring size controlled synthesis of stable cyclic benzopolysulfides with five, six, and seven-membered rings. Each sulfur heterocycle has three, four, and five sulfur atoms with S–S bonding. The cyclic structures are characterized by spectroscopic means and X-ray crystallographic analyses.

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Acknowledgments

Dedicated to Professor Naomichi Furukawa on the occasion of his 70th birthday.

This work was supported by a Grant-in-Aid for Scientific Research (No. 18550027) from the Ministry of Education, Science, Sports, and Culture, Japan.

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Ring Size Controlled Synthesis and Structure of Cyclic Polysulfides Fused to Substituted Benzene Ring

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Ring Size Controlled Synthesis and Structure of Cyclic Polysulfides Fused to Substituted Benzene Ring

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