乙炔基四硫富瓦烯-二氰基乙烯供体-受体发色团

Acetylenic tetrathiafulvalene-dicyanovinyl donor-acceptor chromophores.

作者信息

Andersson Asbjørn Sune, Diederich François, Nielsen Mogens Brøndsted

机构信息

Department of Chemistry, University of Copenhagen, Universitetsparken 5, DK-2100, Copenhagen Ø.

出版信息

Org Biomol Chem. 2009 Sep 7;7(17):3474-80. doi: 10.1039/b909886k. Epub 2009 Jul 6.

DOI:10.1039/b909886k

Abstract

Compounds incorporating the tetrathiafulvalene (TTF) donor unit and one or two cyanoethynylethene (CEE) acceptor units were prepared by Knoevenagel condensations of highly unstable, TTF-linked propargylic aldehyde or ketone derivatives. The resulting TTF-CEEs are very strong chromophores with low-energy end-absorptions beyond 900 nm. The molecules experience reversible oxidations of the TTF unit, and the optical properties of the oxidised species were elucidated by spectroelectrochemistry.

摘要

通过高度不稳定的、与四硫富瓦烯（TTF）相连的炔丙基醛或酮衍生物的克诺文纳格尔缩合反应，制备了包含四硫富瓦烯（TTF）供体单元和一个或两个氰基乙炔乙烯（CEE）受体单元的化合物。所得的TTF-CEE是非常强的发色团，在900nm以上具有低能量末端吸收。这些分子经历TTF单元的可逆氧化反应，并且通过光谱电化学方法阐明了氧化态物质的光学性质。

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