8-Methylcoumarin → 8-Methyl-3,4-dihydrocoumarin

Participants

Reaction Steps

To a solution of 8-Methyl coumarin (16.2 gm) in Ethyl acetate (160 ml), 10% w/w Palladium-charcoal (1.62 gm) was added. Hydrogenation was carried out for 5 hours at 55-60° C. in an autoclave at 240-250 psi. using Hydrogen gas. The reaction mixture was filtered through hyflow bed and distilled under vacuum to give a 14.5 gm of title compound as a white solid.

Provenance & Evidence