Experimental Acylation of Kojic Acid (I) .-Twenty grams (0.142 mole) of kojic acid was mixed with 125 g. (1.22 moles) of acetic anhydride and 10 g. of zinc chloride. The mixture was heated over a water-bath under reflux and protected from moisture with a calcium chloride tube until the first vigorous reaction had subsided. The water-bath was then removed and replaced with an oil-bath. The heating was continued by gradually increasing the temperature to 145", ...
![[2-(piperidine-1-carbonyl)phenyl] acetate Structure](https://image.chemsrc.com/caspic/199/36930-87-7.png)