Synthesis, structures and some chemical and electrochemical properties of <em>E</em>-1,2-diferrocenyl-3-methylthioprop-2-enone and its ketals期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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Synthesis, structures and some chemical and electrochemical properties of E-1,2-diferrocenyl-3-methylthioprop-2-enone and its ketals

Authors:	Tatiana Klimova Berestneva Marcos Martínez García Simon Hernández Ortega Elena Klimova

Institution:	^a Facultad de Química, Universidad Nacional Autónoma de México, Cd. Universitaria, Coyoacán, C.P. 04510, México D.F., Mexico ^b Instituto de Química, Universidad Nacional Autónoma de México, Cd. Universitaria, Coyoacán, C.P. 04510, México D.F., Mexico

Abstract:	2,3-Diferrocenyl-1-methylthiocyclopropenylium iodide reacts with water, metal alkoxides, phenolates and with alcohols in the presence of Et₃N to give E-1,2-diferrocenyl-3-methylthioprop-2-enone or its ketals. Their structures were established based on data from ¹H and ¹³C NMR spectroscopy and X-ray diffraction analysis. The mechanistic aspects of these reactions are discussed. Electrochemical properties of 8 and 13b have been studied. The compounds present two oxidation processes (I-II), attributed to the oxidations of the ferrocenes groups, E^0′(I), E^0′(II), ΔE^0′(II-I) and comproportionation constant K_com are reported.

Keywords:	Ferrocene Diferrocenyl(methylthio)cyclopropenilium 3 3-Dimethylthio-cyclopropene 1 2-Diferrocenyl-3-methylthioprop-2-enone Three-membered ring opening
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