4.4 Article

Dual-controlled dithienylmaleimide switch containing ferrocene units

Journal

TETRAHEDRON LETTERS
Volume 47, Issue 52, Pages 9227-9231

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2006.10.146

Keywords

photochromism; dithienylmaleimide; redox potential; magnetism

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A novel photochromic dithienylmaleimide (TMF) appended with two ferrocene units was synthesized from 2,3-bis(5bromo-2-methylthiophen-3-yl)fumaronitrile. Its photochromic properties, electrochemical properties and magnetism were studied. Both fluorescence emission and redox potential were reversibly changed accompanying the open and closed-ring photoisomerization of TMF with UV/vis light irradiation and electrochemical redox. TMF may be used for fluorescent switch and electrochemical switch controlled by both light and electrochemical redox. (c) 2006 Elsevier Ltd. All rights reserved.

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