I. Beltaief et H. Amri, SUBSTITUTION OF ALLYLIC FUNCTIONAL ACETATES - STEREOSELECTIVE SYNTHESIS OF 2-ALKYLIDENE-1,5-KETOESTERS, Synthetic communications, 24(14), 1994, pp. 2003-2010
Direct reaction of allylic functional acetates 1 and beta-diketones 3
in the presence of anhydrous potassium carbonate i n boiling absolute
ethanol gave 2-alkylidene-1,5-ketoesters 4 in good to fair yields.