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阴离子咪唑-2-硫酮稠合的1,4-二氢-1,4-二磷杂环己二烯的可逆氧化还原化学

Reversible Redox Chemistry of Anionic Imidazole-2-thione-Fused 1,4-Dihydro-1,4-diphosphinines.

作者信息

Ramachandran Mridhul R K, Schnakenburg Gregor, Majumdar Moumita, Kelemen Zsolt, Gál Dalma, Nyulászi Laszlo, Boeré René T, Streubel Rainer K

机构信息

Institut für Anorganische Chemie, Rheinische Friedrich-Wilhelms-Universität Bonn, Gerhard-Domagk-Straße 1, D-53121 Bonn, Germany.

Department of Chemistry, Indian Institute of Science Education and Research, Pune 411008, Maharashtra, India.

出版信息

Inorg Chem. 2022 Mar 21;61(11):4639-4646. doi: 10.1021/acs.inorgchem.1c03620. Epub 2022 Mar 8.

DOI:10.1021/acs.inorgchem.1c03620
PMID:35258281
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8941515/
Abstract

Anionic 1,4-dihydro-1,4-diphosphinines were synthesized from tricyclic 1,4-diphosphinines and isolated as blue powdery salts M[-]. Reaction of solutions of these monoanions with iodomethane led to -methylated compounds -. An oxidation/reduction cycle was examined, starting from solutions of K[] via P-P coupled product and back to K[], and the recyclability and redox chemistry of this cycle were confirmed by experimental and simulated cyclic voltammetry analysis, which is proposed as a potential 2-electron cathode for rechargeable cells. TD-DFT studies were used to examine species that might be involved in the process.

摘要

由三环1,4 - 二磷杂萘合成了阴离子型1,4 - 二氢 - 1,4 - 二磷杂萘，并以蓝色粉末状盐M[-]形式分离出来。这些单阴离子溶液与碘甲烷反应生成了 - 甲基化化合物 - 。研究了一个氧化/还原循环，从K[]溶液开始，经过P - P偶联产物 ，再回到K[]，通过实验和模拟循环伏安分析证实了该循环的可循环性和氧化还原化学性质，该循环被提议作为可充电电池的潜在双电子阴极。采用TD - DFT研究来考察该过程中可能涉及的物种。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9bde/8941515/e7f6063e2bf4/ic1c03620_0007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9bde/8941515/b9b9b99649a0/ic1c03620_0002.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9bde/8941515/e7f6063e2bf4/ic1c03620_0007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9bde/8941515/b9b9b99649a0/ic1c03620_0002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9bde/8941515/7976accaae5c/ic1c03620_0008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9bde/8941515/05f13ca90699/ic1c03620_0003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9bde/8941515/7c2cb88c4f47/ic1c03620_0004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9bde/8941515/7913c20a38f8/ic1c03620_0009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9bde/8941515/90ddc45e2a06/ic1c03620_0005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9bde/8941515/30c9c1de44b2/ic1c03620_0006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9bde/8941515/e7f6063e2bf4/ic1c03620_0007.jpg

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The role of polysulfide dianions and radical anions in the chemical, physical and biological sciences, including sulfur-based batteries.
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