A versatile synthesis of cyclic dipeptides using the stepwise construction of the piperazine-2,5-dione ring from simple precursors: synthetic sequence and the structure of a representative product, (3RS)-4-(2-allyl-3,5-di­methyl­phen­yl)-1-benzyl-3-phenyl­piperazine-2,5-dione (crystallography data)

CCDC: 1814275