
Organometallics p. 5816 - 5825 (1997)
Update date:2022-08-03
Topics:
Dong, Teng-Yuan
Chang, Chung-Kay
Lee, Shu-Hwei
Lai, Long-Li
Chiang, Michael Yen-Nan
Lin, Kuan-Jiuh
A convenient new method is developed for the preparation of 1′,1?-disubstituted biferrocenes which can be oxidized with iodine to a new series of mixed-valence compounds. The X-ray structures of 1′,1?-dimethoxymethyl, 1′,1?-diethoxyl, 1′,1?-dimethyl, 1′,1?-dihydroxymethyl, 1′,1?-dibenzoyloxymethyl, 1′,1?-dimethylthio, and 1′,1?-diethylthio neutral biferrocenes and the mixed-valence 1′,1?-diethoxyl, 1′,1?-dimethyl, 1′,1?-dibenzoyloxymethyl, and 1′,1?-diphenylthio biferrocenium triiodide salts have been determined at 298 K. The rates of intramolecular electron transfer in these mixed-valence cations were estimated by variable-temperature 57Fe M?ssbauer experiment.
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Doi:10.1002/aoc.6222
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(2020)Doi:10.1039/DT9910000597
(1991)