Chemical Constituents of Leaves of

GUO Qing-feng; CHEN Lin; ZHANG Wei; KANG Wen-yi

doi:10.13422/j.cnki.syfjx.2016220045

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Chemical Constituents of Leaves of

更新时间：2024-01-04

- Chemical Constituents of Leaves of
- Chinese Journal of Experimental Traditional Medical Formulae Vol. 22, Issue 22, Pages: 45-48(2016)
- 作者机构：
- 作者简介：
- 基金信息：
- DOI：10.13422/j.cnki.syfjx.2016220045
  CLC： R284
- Published：2016
- 稿件说明：
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GUO Qing-feng, CHEN Lin, ZHANG Wei, et al. Chemical Constituents of Leaves of [J]. Chinese journal of experimental traditional medical formulae, 2016, 22(22): 45-48.
DOI：

GUO Qing-feng, CHEN Lin, ZHANG Wei, et al. Chemical Constituents of Leaves of [J]. Chinese journal of experimental traditional medical formulae, 2016, 22(22): 45-48. DOI： 10.13422/j.cnki.syfjx.2016220045.

摘要

目的：研究光皮木瓜Chaenomeles sinensis叶的化学成分。方法：通过各种色谱法对光皮木瓜叶的甲醇提取物二氯甲烷部位进行分离纯化，利用质谱和核磁共振等光谱技术鉴定化合物结构。结果：从中分离鉴定了11个化合物，分别为10-廿九烷醇（1），植物醇（2），β-谷甾醇（3），（24R）24-ethyl-7α-hydroperoxy-cholest-5-en-3β-ol（4），硬脂酸（5），3β，27-dihydroxy-urs-12-ene（6），白桦脂酸（7），二十烷醇（8），熊果酸（9），2α，3α，19α-三羟基乌索-12-烯-28-酸（10），2α-羟基白桦脂酸（11）。结论：其中化合物2，4，6，8首次从该属中分离得到。

Abstract

Objective: To investigate the chemical constituents from leaves of Chaenomeles sinensis. Method: The compounds were isolated from the dichloromethane portion of leaves of C. sinensis. The structures were elucidated by spectroscopic methods

such as NMR and EI-MS. Result: Eleven compounds were isolated and identified as 10-nonacosanol (1)

trans-phytol (2)

β-sitosterol (3)

(24R)24-ethyl-7α-hydroperoxy-cholest-5-en-3β-ol (4)

stearic acid (5)

3β

27-dihydroxy-urs-12-ene (6)

3-epi-betulinic acid (7)

eicosanol (8)

ursolic acid (9)

2α

3α

19α-trihydroxyursol-12-alkene-28-acid (10) and 2α-hydroxy-betulinic acid (11). Conclusion: Among them

compounds 2

6 and 8 were isolated from Chaenomeles genus for the first time.

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