Plant Diversity ›› 2005, Vol. 27 ›› Issue (05): 565-571.

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Chemical Constituents from Craibiodendron yunnanense

LI Rong-Tao1 , 3 , LI Jin-Yu2 , WANG Jin-Kun2 , ZHU Zhao-Yun2 , SUN Han-Dong1

  

  1. 1 State Key Laboratory of Phytochemistry and Plant Resources in West China , Kunming Institute of Botany , Chinese Academy of Sciences, Kunming 650204 , China ; 2 Yunnan Institute of Materia Medica , Kunming 650111 , China ; 3 Kunming University of Science and Technology , Kunming 650093 , China
  • Received:2005-04-07 Online:2005-10-01 Published:2005-10-01
  • Contact: SUN Han-Dong

Abstract: Investigation of the chemical constituents of the leaves of Craibiodendron yunnanense obtained the isolation of fifteen compounds . Their structures were elucidated as asebotoxin-III ( 1) , grayanotoxin-XVIII (2) , leucothol A ( 3) , proA-4 (4) , quercetin-3-O-β-galactoside ( 5) , quercetin-3-O-α- arabinofuranoside (6) , quercetin-3-O-α-rhamnopyranoside (7) , trihydroxyflavone-3-O-α-rhamnopyranoside (8 ) , 2 , 4-bis ( 4-hydroxyphengl )-1 , 3- cyclobutane dicarboxglic aicd ( 9 ) , ( Z )-p-hydroxy cinamic acid (10) , ( E )-p-hydroxy cinamic acid (11) , vanillic acid ( 12 ) , 2α, 3β-dihydroxyurs-5 , 12-dien-28-oic acid ( 13 ) , 2α, 3β, 23-trihydroxyurs-12- en-28-oic acid (14) , andβ-stiosterol (15) . Compounds 1 - 4 , and 8 - 14 were isolated from the titled plant for the first time . In addition , compounds 1 - 3 may have closed relationships with the effects of analgesic .

Key words: Craibiodendron yunnanense