Synthesis, structure and electrochemical properties of 3,4,5-triaryl-1,2-diphosphaferrocenes

Авторы: Bezkishko Ilya Alexandrovich, Zagidullin Almaz, Khrizanforov Mikhail, Gerasimova Tatiana, Ivshin Kamil, Kataeva Olga, Ganushevich Yulia, Vasili Miluykov, Lönnecke Peter, Hey-Hawkins Evamarie
Журнал: INORGANIC CHEMISTRY FRONTIERS
Год издания: 2022
DOI: 10.1039/d2qi00446a
Аннотация: Aryl-substituted sodium 3,4,5-triaryl-1,2-diphosphacyclopentadienides Na(C3R3P2) (R = Ph, 4-Me-C6H4, 4-Cl-C6H4, 1a-c) react with [FeCp(η6-C6H5CH3)][PF6] to give heteroleptic 3,4,5-triaryl-1,2-diphosphaferrocenes [FeCp(η5-P2C3R3)] (2a-c) in 71-78% yield. The structures of 2a-c were confirmed by NMR, UV-Vis spectroscopy and X-ray structure analysis, and supported by DFT calculations. Electrochemical studies of 2a-c in CH2Cl2 demonstrate a pronounced reversible one-electron oxidation, while in the solid state, all 3,4,5-triaryl-1,2-diphosphaferrocenes show fully reversible oxidation and reduction waves, which indicates the stability of the oxidized form. Regardless of the substituent (R = Ph, 4-Me-C6H4, 4-Cl-C6H4), the studied 1,2-diphosphaferrocenes have similar oxidation and reduction potentials
Добавил в систему: Ганушевич Юлия Сергеевна

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