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The cytotoxic norditerpene dilactones of Podocarpus milanjianus and Podocarpus sellowii
Authors:Johnny A Hembree  Ciung-Jer Chang  Jerry L McLaughlin  John M Cassady  Daniel J Watts  Ernest Wenkert  Sebastiko Ferreira Fonseca  Jayr De Paiva Campello
Institution:1. Department of Medicinal Chemistry and Pharmacognosy, School of Pharmacy and Pharmacal Sciences, Purdue University, West Lafayette, IN 47907, U.S.A.;2. Department of Chemistry, Indiana University, Bloomington, IN 47401, U.S.A.;3. Instituto de Quimica, Universidade Estadual de Campinas, Campinas, São Paulo, Brazil
Abstract:The cytotoxic norditerpene dilactones nagilactone F and its new congener nagilactone G have been isolated from the bark constituents of Podocarpus milanjianus and Podocarpus sellowii. The diterpenes totarol, 19-oxototarol and macrophyllic acid were also isolated.
Keywords:Podocarpaceae  bark  norditerpene dilactones  9KB cytotoxicity  structural analysis  nagilactone F  nagilactone G  
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