Halide redistribution in Pd-catalysed 1,6-diene cycloisomerisationElectronic supplementary information (ESI) available: general experimental procedure, typical GC analyses and table of regioselectivities obtained with the various catalysts. See http://www.rsc.org/suppdata/cc/b0/b009356o/
Abstract
[(MeCN)3PdCl]+, generated in situ, reversibly disproportionates to give [(MeCN)2PdCl2] and [(MeCN)4Pd]2+. The neutral species is a reactive and highly regioselective catalyst for 1,6-diene cycloisomerisation.