A benzene extract of the bark of Virola calophylla yielded, besides eight neolignans of the dibenzylbutane, benzoylbenzylbutane, aryltetralin and arylnaphthalene types, two new arylnaphthalenes, (8R)-3,4-dimethoxy-3′,4′-methylenedioxy- > 7′8′- 6.7′,8.8′-neolignan and 4-hydroxy-3-methoxy-3′,4′-methylenedioxy- > 7,8,7′,8′-6.7′,8.8′-neolignan. © 1990.