Chemical Constituents from the Stem of Saprosma hainanense (I)

Abstract

Abstract: Eleven compounds were isolated from the ethyl acetate portion of the stem of Saprosma hainanense, including four alkaloids,six triterpenes and one sterol.On the basis of spectral data and chemical evidences,their structures were identified as cleistopholine(1),michelalbine(2),liriodenine(3),1H-indole-3-carboxaldehyde(4), lupeol(5), 21-H-Hop-22(29)-ene-3,30-diol(6),ursolic acid(7),betulinic acid(8),30-hydroxylupeol(9),stigmasterol(10),3β-acetyl oleanolic aldehyde(11).Compounds 4 and 7 were isolated from this genus for the first time,while 5,6,8 and 9-11 were isolated from the plant for the first time.Compound 2 has no ¹³C-NMR data reported until now.

Key words: Saprosma, Saprosma hainanense;alkaloids;triterpenes

CLC Number:

R284.2

ZHANG Jun-yan, WANG Yan, CHEN Wen-hao, SONG Xiao-ping, CHEN Guang-ying*, FU Bo, CHEN Yi. Chemical Constituents from the Stem of Saprosma hainanense (I)[J]. NATURAL PRODUCT RESEARCH AND DEVELOPMENT, 2014, 26(12): 1944-1947.

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Chemical Constituents from the Stem of Saprosma hainanense (I)

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