N-Acylated photoactivatable analogues of glutathione bearing an aryl azide moiety were synthesized for the first time starting from S-tritylglutathione. ... Figure 1 Structures of new photoactivatable analogues of glutathione. ... Scheme 1 Reagents and conditions: (i) N-hydroxysuccinimidyl 4-benzoylbenzoate, Et 3 N, H 2 O, MeCN, rt, 36 h (ii) dithiothreitol, H 2 O, rt, argon, overnight. ... Scheme 2 Reagents and conditions: (i) N-hydroxysuccinimidyl 4-benzoylbenzoate, Et ...