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Updated: Jan 30, 2026

Author Spotlight: Magnetometric Characterization of Intermediates in the Solid-State Electrochemistry of Redox-Active Metal-Organic Frameworks
Published on: June 9, 2023
π-Extended Phosphepines: Redox and Optically Active P-Heterocycles with Nonplanar Framework
Thomas Delouche1, Anabella Mocanu1, Thierry Roisnel1
1Univ Rennes, CNRS , ISCR - UMR 6226, ScanMAT - UMS 2001, F-35000 Rennes , France.
Abstract:
In this letter, we present the synthesis of a new family of π-extended dithieno[ b, f]phosphepines. The Pd-catalyzed direct arylation allows the introduction of various substituents, which tune the absorption/emission in the visible range as well as the redox properties. All those modifications were rationalized through DFT calculations. The physical properties of ambipolar phosphepine with diphenylamino substituents inspired us to use it as a semiconductor in p-type organic field-effect transistors (OFETs).
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