Maleic Acid → HCID 131716392, compound

Participants

Reaction Steps

0.70 g (1.52 mmol) of 2-[3-[4-(diphenylmethyl)-1-piperadinyl]propylthio]benzothiazole obtained in Example 21 was dissolved in 15 ml of ethanol, and 0.40 g (3.45 mmol) of maleic acid was added to the solution, and then the mixture was stirred at room temperature for about 2 hours. The precipitated crystals were collected, and recrystallized from ethanol to give 2-[3-[4-(diphenylmethyl)-1-piperadinyl]propylthio]benzothiazole dimaleate.

Provenance & Evidence