20497-21-6

This alkaloid from Cassytha americana (Syn. c. filiform is L.) is obtained as a microcrystalline powder which is dextrorotatory with [α]_D + 228.7°. It is found in the alkali-insoluble aporphine portion of the alkaloidal extract of the plant. One methoxyl group, one hydroxyl and a methylenedioxy group are present.

ChEBI: Launobine is an isoquinoline alkaloid.

Cava, Rao, Douglas, Weisbach., J. Org. Chern., 33, 2243 (1968)