Laportoside A and Laportomide A: A New Cerebroside and a New Ceramide from Leaves of Laportea ovalifolia

Dagobert Tazooa, Karsten Krohnb, Hidayat Hussainb, Simeon F. Kouamc, and Etienne Dongoa a Department of Organic Chemistry, Faculty of Science, University of Yaounde I, P.O. Box 812, Yaounde, Cameroon b Department of Chemistry, University of Paderborn, Warburger Strase 100, 33098 Paderborn, Germany c Department of Chemistry, Higher Teachers’ Training College, University of Yaounde I, BP 47, Yaounde, Cameroon