N-Hydroxyphthalimide → 2-(3-Methylbut-2-enyloxy)isoindoline-1,3-dione

Participants

Reaction Steps

Potassium carbonate (7.55 g, 54.6 mmol) was added to a solution of N-hydroxyphthalimide (13.93 g, 85.4 mmol) in 150 mL of DMSO to give a wine-red colored solution. 4-Bromo-2-methyl-2-butene (20 g, 134 mmol) was added to the solution dropwise and the reaction was stirred for 16 hours at room temperature. The reaction was poured into 600 mL of ice water to give a white crystalline solid. The crude crystalline product was filtered, washed with ice water, and air dried. The crystalline product was recrystallized from ethanol to give 15.7 g, m.p. 97°-98° C.

Provenance & Evidence