Abstract
Herein, a copper free, selenated NHC-Pd(II) full pincer catalyzed Sonogashira cross coupling reaction of ferrocene/phenyl substituted β-chloro-cinnamaldehyde/acrylo-nitrilesmalononitrile has been established for the synthesis of novel ferrocenated enynes at feasible reaction condition. 0.002 mol % of the selenated NHC-Pd(II) pincer complex was found to be highly efficient to couple various substituted acetylenes with β-chloro-cinnamaldehyde/acrylonitriles/malononitrile in just 5 h under the areobic conditions. A library of 26 new ferrocene substituted enyne derivatives has been developed through the present Sonogashira reaction. Electrochemical response for some selective compounds was also investigated.
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