Sodium Hydroxide → 4-(2-Fluorophenyl)-7-methyl-6-(pyrimidin-5-yloxy)-9H-pyrido[3,4-b]indole-1-carboxylic acid

Participants

Reaction Steps

A solution of ethyl 4-(2-fluorophenyl)-7-methyl-6-(pyrimidin-5-yloxy)-9H-pyrido[3,4-b]indole-1-carboxylate (0.08 g, 0.181 mmol) and 1N aqueous NaOH (0.814 mL, 0.814 mmol) in methanol (3.01 mL) was refluxed. After 1 hr, the reaction was cooled to room temperature and concentrated in vacuo. Water was added, and the solution was acidified to pH ˜4 by litmus paper. The precipitate was filtered, washed with water, and dried over Drierite to give the desired product (0.0456 g, 0.110 mmol, 60.9% yield) as a yellow solid.

Provenance & Evidence