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A new 2, 3-dioxoflavonoid from the aerial part of Hypericum perforatum
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Jie MA, Teng-fei JI, Jin TIAN, Yan-gai WANG, Jian-bo YANG, Ya-lun SU, Ai-guo WANG*
Acta Pharmaceutica Sinica | 2019, 54(12) : 2286 - 2288
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Acta Pharmaceutica Sinica | 2019, 54(12): 2286-2288
• Original Articles •
A new 2, 3-dioxoflavonoid from the aerial part of Hypericum perforatum
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Jie MA, Teng-fei JI, Jin TIAN, Yan-gai WANG, Jian-bo YANG, Ya-lun SU, Ai-guo WANG*
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  • State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
Published: 2019-12-12 doi: 10.16438/j.0513-4870.2019-0618
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Phytochemical study of the aerial parts of Hypericum perforatum L. resulted in the isolation of an undescribed compound, which was identified as Rel-(2S, 3R)-2-(3, 4-dihydroxyphenyl)-3, 5, 7-trihydroxy-2-methoxy-3-(2-oxopropyl)chroman-4-one (1) by spectroscopic methods including UV, IR, HR-ESI-MS, 1D and 2D NMR spectra. Compound 1 is a new 2, 3-dioxo-flavone with an acetonyl moiety, rarely found in nature. In addition, a plausible biogenetic pathway of 1 was proposed in this article.

Hypericum perforatum  /  chemical constituents  /  2, 3-dioxoflavone
Jie MA, Teng-fei JI, Jin TIAN, Yan-gai WANG, Jian-bo YANG, Ya-lun SU, Ai-guo WANG. A new 2, 3-dioxoflavonoid from the aerial part of Hypericum perforatum[J]. Acta Pharmaceutica Sinica, 2019 , 54 (12) : 2286 -2288 . DOI: 10.16438/j.0513-4870.2019-0618
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doi: 10.16438/j.0513-4870.2019-0618
  • Receive Date：2019-08-01
  • Online Date：2026-01-26
  • Published：2019-12-12
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  • Received：2019-08-01
  • Revised：2019-09-07
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    State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, 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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