Reactivity of Functionalized Ynamides with Tetracyanoethylene: Scope, Limitations and Optoelectronic Properties of the Adducts

Abstract : The reactivity of functionalized ynamides and arylynamines with tetracyanoethylene at room temperature was evaluated. In most cases, the corresponding 1,1,4,4-tetracyanobutadienes (TCBDs) were obtained in good to excellent yields through a [2+2]-cycloaddition/[2+2]-retro-electrocyclization sequence. The influence of diverse functional groups on the yield of the reaction was investigated, in particular concerning multiple ynamides. These TCBDs were characterized by various spectroscopic techniques and electrochemistry and X-ray diffraction in some cases.
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Marie Betou, Raphael J. Durand, Antoine Sallustrau, Claire Gousset, Erwann Le Coz, et al.. Reactivity of Functionalized Ynamides with Tetracyanoethylene: Scope, Limitations and Optoelectronic Properties of the Adducts. Chemistry - An Asian Journal, Wiley-VCH Verlag, 2017, 12 (12), pp.1338-1346. ⟨10.1002/asia.201700353⟩. ⟨hal-01544243⟩

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