Phenacyl esters have been widely used as valuable intermediates because they are useful photoremovable protecting groups for carboxylic acids in organic synthesis and biochemistry. [ 1 1. (a) Soural , M. ; Hlaváč , J. ; Hradil , P. ; Fryšová , I. ; Hajdúch , M. ; Bertolasi , V. ; Maloň , M. Synthesis and