A new class of phosphorus compounds containing a ferrocenyl unit are obtained from vinylferrocene and phosphono-substituted aromatic halides by using palladium-catalyzed Heck-type reactions. The crystal structure of compound 3a confirms the trans planar geometry of the π-conjugated system. The electrochemistry and electronic absorption spectra of phosphorus esters 3a,b and acids 4a,b are investigated.
R. Frantz, F. Carré, J. Durand and G. F. Lanneau, New J. Chem., 2001, 25, 188 DOI: 10.1039/B008937K
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