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Synthesis of 1,2,3-triazolyisoindoline-1,3-dione derivatives 119a–f. Reagents and conditions: (a) Acetic acid, 100 °C, 3 h; (b) K2CO3, Propargyl bromide, DMF, room temperature, 3 h; (c) Azides, 10 mol% of sodium ascorbate, 10 mol% of CuSO4·H2O, DMF: Water (1:1), room temperature, 10 to 12 h.
