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Two new 2,3-seco triterpenoids from Rubus pirifolius Smith
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Xiao-yan NING1, 2, Mei-fang HUANG1, Qin-qin LIANG1, Xu FENG1, 2, Chen-yan LIANG1, 2, 3, Jian-fang FENG3, Liu-ping WANG1, 3, *, Jian-hua WEI1, 2, 3, *
Acta Pharmaceutica Sinica | 2023, 58(10) : 3065 - 3069
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Acta Pharmaceutica Sinica | 2023, 58(10): 3065-3069
Two new 2,3-seco triterpenoids from Rubus pirifolius Smith
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Xiao-yan NING1, 2, Mei-fang HUANG1, Qin-qin LIANG1, Xu FENG1, 2, Chen-yan LIANG1, 2, 3, Jian-fang FENG3, Liu-ping WANG1, 3, *, Jian-hua WEI1, 2, 3, *
Affiliations
  • 1. College of Pharmacy, Guangxi University of Chinese Medicine, Nanning 530200, China
  • 2. Key Laboratory of TCM Extraction and Purification and Quality Analysis, Education Department of Guangxi Zhuang Autonomous Region, Nanning 530200, China
  • 3. Guangxi Superior Chinese Patent Medicine and National Medicine Development Engineering Technology Research Center, Nanning 530200, China
Published: 2023-10-12 doi: 10.16438/j.0513-4870.2023-0152
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Eight compounds were isolated from the ethyl acetate fraction of the 80% aqueous ethanol extract of the roots and stems of Rubus pirifolius Smith by AB-8 macroporous resin, silica gel, ODS, Sephadex LH-20 column chromatography, and semi-preparative HPLC. Their structures were identified by spectral analysis such as 1D/2D NMR, MS, UV, IR and by comparison with literature information as rubussecotriterpene A (1), rubussecotriterpene B (2), cecropiacic acid (3), cecropiacic acid 3-methyl ester (4), alphitolic acid (5), betulinic acid (6), betulin (7), and obtusalin (8). Compounds 1 and 2 are new compounds, and compounds 3-8 were isolated from this plant for the first time.

Rubus pirifolius Smith  /  2,3-seco triterpene  /  chemical composition
Xiao-yan NING, Mei-fang HUANG, Qin-qin LIANG, Xu FENG, Chen-yan LIANG, Jian-fang FENG, Liu-ping WANG, Jian-hua WEI. Two new 2,3-seco triterpenoids from Rubus pirifolius Smith[J]. Acta Pharmaceutica Sinica, 2023 , 58 (10) : 3065 -3069 . DOI: 10.16438/j.0513-4870.2023-0152
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Article Info
doi: 10.16438/j.0513-4870.2023-0152
  • Receive Date：2023-02-14
  • Online Date：2025-11-21
  • Published：2023-10-12
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History
  • Received：2023-02-14
  • Revised：2023-03-20
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Affiliations
    1. College of Pharmacy, Guangxi University of Chinese Medicine, Nanning 530200, China
    2. Key Laboratory of TCM Extraction and Purification and Quality Analysis, Education Department of Guangxi Zhuang Autonomous Region, Nanning 530200, China
    3. Guangxi Superior Chinese Patent Medicine and National Medicine Development Engineering Technology Research Center, Nanning 530200, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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