164 HELVETICA CHIMICA ACTA - Vol. 57, Fasc. 1 (1974) - Nr. 14 ... 14.1,4-Dimethylcyclohex-3-enyl Methyl Ketone by Wolfgang Kreiser and Winfried Haumesser Institut fur Organische Chemie, Technische Universitat, Braunschweig, W. Germany and Alan F. Thomas Fivmenich SA , Research Laboratory, Geneva, Switzerland (l9.-X11.,73) ... Summary. An improved one-step synthesis of the title compound is described, the optical ...