A variety of allylic and propargylic esters were rapidly prepared via microwave heating of their corresponding mixed anhydride derived from pivaloyl chloride. The reaction conditions were modified to account for the sterics of the alcohol and the electronics of the carboxylic acid. ... Supplemental materials are available for this article. Go to the publisher's online edition of Synthetic Communications® to view the free supplemental file. ... A variety of allylic and propargylic ...