Unusual regiodivergence in metal-catalysed intramolecular cyclisation of gamma-allenols

Chem Commun (Camb). 2009 Dec 14:(46):7125-7127. doi: 10.1039/b913295c. Epub 2009 Oct 13.

Abstract

Different O-heterocycles can be obtained from a common gamma-allenol precursor by using Ag, Zn or Sn catalysts; the results were rationalised by molecular modelling.