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Pramipexole (5.0 g, 23.44 mmol) and <strong>[130-85-8]Pamoic acid</strong> (9.08 g, 23.44 mmol) was dissolved by stirring at room temperature in DMSO (50 mL). The solution was then slowly added to ethyl acetate (2L) at room temperature to generate a white solid. The solid was collected on a filter and dried in vacuum at 45 °C to give pramipexole pamoate at a 1: 1 Molar ratio of Pramipexole to <strong>[130-85-8]Pamoic acid</strong> (14.0g, 99.0percent).