1: SOCl2 / CDCl3 / 1.) from -10 deg C to room temp., 2 h, 2.) reflux, 4 h 2: LiAlH4 / tetrahydrofuran / 1.) from -5 deg C to room temp., 2 h, 2.) reflux, 6 h View Scheme

sodium carbonate in acetonitrile Heatingother template cations, other α,ω-diamines, other α,ω-dihalides;