Abietic Acid → Dehydroabietic Acid

Participants

Reaction Conditions

Reaction Steps

115 g of abietic acid was put into a 1000 ml three-neck bottle , and then 2.3 g of 5% palladium/carbon catalyst was added in. The mixture was stirred at 250° C. (oil bath) for 2 hours, after slightly cooled down, 200 ml of 95% ethanol was added. The mixture was refluxed until completely dissolved, filtered when it was warm, allowed to stand still and to be crystallized to give 70 g of dehydroabietic acid after filtered and dried.

Provenance & Evidence