Phosphorus Can Also Be a “Photocopy”
Journal of the American Chemical Society2010Vol. 132(13), pp. 4566–4567
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M.P. Washington, Vittal B. Gudimetla, Feng Li Laughlin, Nihal Deligönül, Susan He, John L. Payton, M. Cather Simpson, John D. Protasiewicz
Abstract
The syntheses of benzoxaphospholes and new benzobisoxaphospholes that display blue fluorescence are presented. The latter compounds were accessed by the use of a new precursor, 2,5-diphosphinohydroquinone. The new compounds were fully characterized, including a structural study of 2,6-tert-butylbenzo[1,2-d;4,5-d']bisoxaphosphole. Quantum yields for photoluminescence were determined for a series of compounds. These materials feature bona fide P horizontal lineC p-p pi bonds suitable for conjugated materials having phosphorus as a participatory atom and can thus "photocopy" the properties of other conjugated organic molecules.
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