Planta Medica, Table of Contents Planta Med 1998; 64(1): 90-91DOI: 10.1055/s-2006-957380 Letters © Georg Thieme Verlag Stuttgart · New York New Pyrazole Alkaloids from the Root Bark of Newbouldia laevis Adetunji J. Aladesanmi1 , Rene Nia1 , Adolf Nahrstedt2 1Department of Pharmacognosy, Faculty of Pharmacy, Obafemi Awolowo University, lle-lfe, Nigeria 2Institut für Pharmazeutische Biologie und Phytochemie, Westfälische Wilhelms-Universität, Münster, Germany Recommend Article Abstract PDF Download Buy Article Abstract The root bark of Newbouldia laevis afforded withasomnine, 4′-hydroxywithasomnine, 4′-methoxywithasomnine, newbouldine, 4′-hydroxynewbouldine, and 4′-methoxynewbouldine. 4′-Methoxywithasomnine and 4′-methoxynewbouldine are new natural products. PDF (161 kb)
