Straightforward synthesis of ferrocenyl allylic thioethers - Archive ouverte HAL
Article Dans Une Revue Inorganica Chimica Acta Année : 2018

Straightforward synthesis of ferrocenyl allylic thioethers

Résumé

The new ferrocenyl allylic thioethers FcCH = CHCH2SR (2a-e) and FcCH(SR)CH = CH2 (3a-e) (R = Ph, a; 2-naphthyl, b; 3,5-C6H3Me2, c; iPr, d; tBu, e) were synthesized in good yields from ((2-ferrocenylvinyl)methyl)trimethylammonium iodide, [1]+I- and the corresponding thiol RSH. With sufficiently strong bases to fully deprotonate the thiol, good to excellent regioselectivities (88-99%) in favor of the linear isomer 2 were obtained. The mol. structures of 2a and 2b were obtained by X-ray diffraction on monocrystals. A mechanistic proposal based on exptl. data and supported by calcns. is also presented, underlying the role of the base in the reaction regioselectivity.
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Dates et versions

hal-01954089 , version 1 (01-03-2021)

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Rafika Bouchene, Jean-Claude Daran, Rinaldo Poli, Éric Deydier, Sofiane Bouacida, et al.. Straightforward synthesis of ferrocenyl allylic thioethers. Inorganica Chimica Acta, 2018, 470, pp.365-372. ⟨10.1016/j.ica.2017.06.039⟩. ⟨hal-01954089⟩
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