Huneck, S/ Akinniyi, JA/ Cameron, AF/ Connolly, JD/ Mulholland, AG 1981: The absolute configuations of (+)-usnic and (+)-isousnic acid. X-ray analyses of the (-)-a-phenylethylamine derivative of (+)-usnic acid and of (-)-pseudoplacodiolic acid, a new dibenzofuran, from the lichen Rhizoplaca chrysoleuca. - Tetrahedron Letters22: 351-352. [RLL List # 110-49 / Rec.# 8799] Keywords: RHIZOPLACA/ CHEMISTRY/ USNIC/ PSEUDOPLACODIOLIC/ DIBENZOFURAN
Abstract: 4 figures.