Planta Medica, Table of Contents Planta Med 2001; 67(4): 354-357DOI: 10.1055/s-2001-14326 Original PaperNatural Product Chemistry© Georg Thieme Verlag Stuttgart · New YorkSesquiterpenoids from Magnolia grandiflora Xiao-Dong Luo, Shao-Hua Wu, Yun-Bao Ma, Da-Gang Wu, Jun Zhou* Laboratory of Phytochemistry, Kunming Institute of Botany, The Chinese Academy of Sciences, Kunming, P. R. China Recommend Article Abstract Buy Article(opens in new window) Abstract Three new sesquiterpenoids were obtained from the leaves of Magnolia grandiflora L. Their structures were determined as 6α,11-dihydroxy-12,13-diacetoxyelem-1,3-diene, 4α, 6α,10α-trihydroxy-13-acetoxyguaia-11-ene, and 12,13-diacetoxyguaia-4α,6α,10α,11-tetraol on the basis of spectral evidence. In addition, the known sesquiterpenoid magnograndiolide was also obtained. Key words Magnolia grandiflora - Magnoliaceae - sesquiterpenoids - 6α,11-dihydroxy-12,13-diacetoxylem-1,3-diene - 4α,6α,10α-trihydroxy-13-acetoxyguaia-11-ene - 12,13-diacetoxyguaia-4α,6α, 10α,11-tetraol Full Text References References 1 Rao K V, Davis T L. Constituents of Magnolia grandiflora. III. Toxic principle of the wood. Journal of Natural Products. 1982; 45 283-7 2 Wu Z-Y, Zhou T-Y, Xiao P-G. Xinhua Compendium of Materia Medica Vol. 1. Shanghai Science and Technology Publishing House 1988: 58 3 Rao K V. Glycosides of Magnolia grandiflora. Part I: Isolation of three crystalline glycosides. Planta Medica. 1975; 27 31-6 4 Rao K V, Wu W-N. Glycosides of Magnolia grandiflora. III: Structural elucidation of magnolenin C. Journal of Natural Products. 1978; 41 56-62 5 El-Feraly F S. Melampolides from Magnolia grandiflora . Phytochemistry. 1984; 23 2372-4 6 Yang M H, Blunden G, Patel A V, Neill M JO, Lewis J A. Coumarins and sesquiterpene lactone from Magnolia grandiflora . Planta Medica. 1994; 60 390 7 Rao K V, Davis T L. Constituents of Magnolia grandiflora, cyclocolorenone. Planta Medica. 1982; 44 249-50 8 Frater G. Synthesis of the sesquiterpene ketone shyobunon and of its diastereoisomer. Helvetica Chimica Acta. 1978; 61 2709-19 9 Mata R, Navarrete A, Alvarez L, Pereda-Miranda R, Delgado G, Romode Vivar A. Flavonoids and terpenoids of Chenopodium graveolens . Phytochemistry. 1987; 26 191-3 10 Ito K, Iida T, Kobayshi T. Guaiane sesquiterpenes from Magnolia watsonii . Phytochemistry. 1984; 23 188-90 11 Bauer R, Khan I A, Lotter H, Wagner H. Structure and stereochemistry of new sesquiterpene ester from Echinacea purpurea (L.) Moench. Helvetica Chimica Acta. 1985; 68 2355-8 12 Andersson M, Bergendorff O, Shan R, Zygmunt P, Sterner O. Minor components with muscle relaxing properties from scented myrrh. Planta Medica. 1997; 63 251-4 Prof. Jun Zhou Laboratory of Phytochemistry Kunming Institute of Botany The Chinese Academy of Sciences Kunming 650204 Yunnan People's Republic of China Email: x_dluo@hotmail.com Fax: +86-0871-5150227