Dimerization of 1-Phenyl-1H-Tetrazole-5-Thiol over Metalloporphyrin Catalysts

Ya-hong Wu; Jun-wei Yang; Yan Yan; Shan-ling Tong; Di Tan; Jian Yu; Lin Yu

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Dimerization of 1-Phenyl-1H-Tetrazole-5-Thiol over Metalloporphyrin Catalysts

机译：金属卟啉催化剂上1-苯基-1H-四唑-5-硫醇的二聚

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In an alkaline methanol solution, dimerization of 1-phenyl-1H-tetrazole-5-thiol (HL) was carried out over metalloporphyrin catalysts under mild conditions. The dimer product, 1,2-bis (1-phenyl-1H-tetrazol-5-yl) disulfane (L-L), was characterized by determinations of infrared (IR), HPLC, NMR and elementary analysis respectively. In situ UV-Vis spectroscopic analysis and cyclic voltammetric (CV) determinations suggested that the active intermediate for L-L formation is an axially ligated complex, RS-MnⅢTHPP, which decomposes into a MnⅡTHPP molecule and a stable radical (SR) for coupling to form the disulfane. Meanwhile MnIITHPP molecule can be oxidized easily to form MnⅢTHPP species again by oxygen from the air for using in next catalytic circle.

机译：在碱性甲醇溶液中，在温和条件下，在金属卟啉催化剂上将1-苯基-1H-四唑-5-硫醇（HL）进行二聚。通过分别测定红外（IR），HPLC，NMR和元素分析对二聚体产物1,2-双（1-苯基-1H-四唑-5-基）二硫（L-L）进行表征。原位UV-Vis光谱分析和循环伏安法（CV）测定表明，形成LL的活性中间体是轴向连接的配合物RS-MnⅢTHPP，它分解成MnⅡTHPP分子和一个稳定的自由基（SR）耦合形成环戊二烯。二硫烷。同时，MnIITHPP分子很容易被空气中的氧气再次氧化形成MnⅢTHPP物种，用于下一催化环。

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《Advances in Chemical Engineering and Science》 |2012年第3期|共6页
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Ya-hong Wu; Jun-wei Yang; Yan Yan; Shan-ling Tong; Di Tan; Jian Yu; Lin Yu;
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1. Synthesis, characterization and cation-induced dimerization of new aza-crown ether-appended metalloporphyrins [J] . Mikhalitsyna E.A., Tyurin V.S., Zamylatskov I.A., Dalton transactions: An international journal of inorganic chemistry . 2012,第25期

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3. The Influence of Dimerization of Water-Soluble Metalloporphyrins as Photosensitizers on the Efficiency of Generation of Singlet Oxygen [J] . S. M. Borisov, I. A. Blinova, V. V. Vasilev High Energy Chemistry . 2002,第3期

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4. Metalloporphyrin-Based Catalysts for CO_2 Reduction: Effects of Metal Ions and Acidic Sites [C] . Chen-Hsiung Hung, chuan-Hung Chuang Meeting of the Electrochemical Society;International Meeting on Chemical Sensors . 2020

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5. Functionalized Metalloporphyrin Catalysts as Cytochrome P450 Enzyme Mimics. [D] . Chapman, Chiara M. 2016

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7. Dimerization of 1-Phenyl-1<i>H</i>-Tetrazole-5-Thiol over Metalloporphyrin Catalysts [O] . Lin Yu, Jian Yu, Di Tan, 2012

机译：金属卟啉催化剂上1-苯基-1 i H-四叔唑-5-硫醇的二聚

Dimerization of 1-Phenyl-1H-Tetrazole-5-Thiol over Metalloporphyrin Catalysts

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