Acetic Acid → 6-(5-(Cyclopropylcarbamoyl)-2-methylphenyl)-2-(cyclopropylmethyl)-1-oxo-1,2-dihydroisoquinoline-4-carboxylic acid

Participants

Reaction Steps

To a solution of the product of step iv) (1.5 g) in methanol (20 mL) at reflux was added sodium hydroxide (1N, 5.23 mL) and the solution stirred at this temperature for 30 min. The reaction mixture was treated with acetic acid (0.34 mL) and water and stirred overnight at room temperature. The solid was filtered and washed with methanol:water (1:1) then water. The solid was dried under vacuum at 60° C. to yield the sub-title compound (1.25 g).

Provenance & Evidence