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Phosphorus, Sulfur, and Silicon and the Related Elements Volume 194, 2019 - Issue 4-6: Proceedings of the 2018 International Conference on Phosphorus Chemistry, ICPC-22
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Original Articles

Synthesis and redox properties of sterically crowded triarylphosphine bearing two phenothiazine moieties

Shigeru SasakiDepartment of Chemistry, Graduate School of Science, Tohoku University, Sendai, Japan; Correspondence[email protected]
,
Midori MurakamiDepartment of Chemistry, Graduate School of Science, Tohoku University, Sendai, Japan;
&
Masaaki YoshifujiDepartment of Chemistry, Graduate School of Science, Tohoku University, Sendai, Japan; ;Department of Chemistry, The University of Alabama, Tuscaloosa, AL, USA
Pages 598-601 | Received 01 Oct 2018, Accepted 06 Nov 2018, Published online: 20 Feb 2019
 
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Abstract

The sterically crowded triarylphosphine bearing two phenothiazine moieties as redox sites was synthesized. The cyclic voltammogram of the phosphine exhibits three-step reversible oxidation, and the comparison with that of the triarylphosphine bearing one phenothiazine moiety suggests delocalization of positive charges during redox process.

Graphical Abstract

Acknowledgment

The authors thank the Research and Analytical Center for Giant Molecules, Graduate School of Science, Tohoku University, for measuring a mass spectrum.

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