Intramolecular Radical Cyclization of Vinyl, Aryl and Alkyl Halides Using Catalytic Amount of Bis-tri-n-butyltin Oxide/Sodium Borohydride: A Novel Entry to Functionalized Carbocycles - Dinesh, Tarur Konikkaledom; Palani, Namasivayam; Balasubramanian, Sengottuvelan (Synlett, 2015)