Samarium Triflate-Catalyzed Halogen-Promoted Friedel-Crafts Alkylation with Alkenes
Saumen Hajra,* Biswajit Maji and Sukanta Bar
*Department of Chemistry, Indian Institute of Technology, Kharagpur 721 302, India, Email: shajrachem.iitkgp.ernet.in
S. Haira, B. Maji, S. Bar, Org. Lett., 2007, 9, 2783-2786.
Sm(OTf)3 is an effective catalysts for a versatile and efficient halogen-promoted highly regio- and stereoselective Friedel-Crafts (F-C) alkylation of electron-rich arenes with alkenes and α,β-unsaturated carbonyl compounds in the presence of NBS or I2 as halogen sources.
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Friedel-Crafts Alkylation, Diarylmethanes, Bromination, Iodination, NBS, Iodine