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Shun-ichi Hirayama

Kyushu University

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Publication

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Journal of The Chemical Society, Chemical Communications | 1989

Synthesis and reversible mercury salt-capturing ability of troponoid-annexed dithio crown ethers

Hitoshi Takeshita; Akira Mori; Shun-ichi Hirayama

Condensation of 4,6-bis(chloromethyl)-2,5-dimethoxytropone with di- and tri-ethylene glycol bis(2-mercaptoethyl) ethers gave dithio-crown ethers, which selectively included Hg2+ from aqueous solutions; the Hg2+ included was quantitatively liberated by acidification with dilute HCl, thus achieving an effective transportation of Hg2+.

Bulletin of the Chemical Society of Japan | 2006

Synthesis and Steady-State Spectroscopic Study of 5-Aryl-2,2′-bipyridyls. New Fluorescent Compounds in Solid State

Naoko Mizuyama; Yoshinori Tominaga; Shinya Kohra; Kazuo Ueda; Shun-ichi Hirayama; Yasuhiro Shigemitsu

Heterocycles | 2002

Synthesis of New Thiopyrylocyanines Incorporated Thiopyrano[2,3-b]indole Ring as the Main Constituent

Yoshinori Tominaga; Yasuhiro Shigemitsu; Shun-ichi Hirayama

Bulletin of the Chemical Society of Japan | 1988

The Cyclic Voltammetry of p-Tropoquinone Acetals

Akira Mori; Shun-ichi Hirayama; Yasutomo Goto; Hitoshi Takeshita

ChemInform | 1991

High-Pressure Cycloaddition of Tropone to Styrenes. The First Identification of (8 + 2) Cycloadducts from Dienophiles Having No Heteroatom.

Zhi-Hong Li; Shun-ichi Hirayama; Nobuo Kato; Akira Mori; Hitoshi Takeshita

Archive | 2015

Reservoir Simulation for Reinjected Water Return in Produced Fluid of Wells at Ogiri Geothermal Field, Japan

Shun-ichi Hirayama; Toshiaki Tanaka; Junichi Takayama

The reports of Institute of Advanced Material Study Kyushu University | 1994

Synthesis and Mercurophilic Properties of Bis (2-troponyl) Thioethers of Di-, Tri-, and Tetraethylene Glycols

Akira Mori; Kanji Kubo; 勘二 久保; Shun-ichi Hirayama; 俊一 平山; Hitoshi Takeshita; 齊 竹下

Engineering sciences reports, Kyushu University | 1992

Synthesis of Dithio-Crown Ether Derivatives from 5-Hydroxytropolone. Reversible Complex Formation with Mercury Ion

Shun-ichi Hirayama; Akira Mori; Hitoshi Takeshita; 俊一 平山; 斉 竹下

ChemInform | 1992

High-Pressure Cycloaddition of Tropone to 2,5-Dioxaspiro(4.4)non-6-ene. An Exclusive Formation of a “(6 + 4) Cycloadduct”.

Shun-ichi Hirayama; Akira Mori; Hitoshi Takeshita

The reports of Institute of Advanced Material Study Kyushu University | 1991

Intramolecular Disproportionation Reactions of 4,6-Bis (chloromethyl) -2,5-dimethoxytropone via Heptafulvene Intermediates

Shun-ichi Hirayama; 俊一 平山; Akira Mori; Hitoshi Takeshita; 齊 竹下; シュンイチ ヒラヤマ; アキラ モリ; ヒトシ タケシタ

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Akira Mori

Kyushu University

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Hitoshi Takeshita

Kyushu University

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俊一 平山

Kyushu University

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齊 竹下

Kyushu University

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Nobuo Kato

Kyushu University

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Yasuhiro Shigemitsu

Nagasaki University

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Yoshinori Tominaga

Nagasaki University

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Zhi-Hong Li

Kyushu University

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Kanji Kubo

Kyushu University

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Kazuo Ueda

Nagasaki University

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