A FACILE ROUTE TO 3-ALKOXY-2-METHYLPROPENALS, USEFUL INTERMEDIATES IN THE SYNTHESIS OF CAROTENOIDS ... James H. Babler*, Vincent P. Liptak, Jeffrey A. Trautmann, and Gregory H. Zayia ... Department of Chemistry, Loyola University of Chicago Chicago, IL 60626 USA ... Abstract: A "one-pot" process for the preparation of a carotenoid synthon (4) has been developed that involves methoxide-promoted condensation of ...