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Journal of Asian Natural Products Research Volume 21, 2019 - Issue 9
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Original Articles

Three new phenylspirodrimane derivatives with inhibitory effect towards potassium channel Kv1.3 from the fungus Stachybotrys chartarum

Jia-Min FengState 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; ;Key Laboratory of Biosynthesis of Natural Products of National Health Commission, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, ChinaView further author information
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Min LiState 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; View further author information
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Jin-Lian ZhaoState 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; ;Key Laboratory of Biosynthesis of Natural Products of National Health Commission, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, ChinaView further author information
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Xiao-Na JiaState 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; ;Key Laboratory of Biosynthesis of Natural Products of National Health Commission, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, ChinaView further author information
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Ji-Mei LiuState 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; ;Key Laboratory of Biosynthesis of Natural Products of National Health Commission, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, ChinaView further author information
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Min ZhangState 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; ;Key Laboratory of Biosynthesis of Natural Products of National Health Commission, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, ChinaView further author information
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Ri-Dao ChenState 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; ;Key Laboratory of Biosynthesis of Natural Products of National Health Commission, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, ChinaView further author information
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Ke-Bo XieState 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; ;Key Laboratory of Biosynthesis of Natural Products of National Health Commission, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, ChinaView further author information
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Da-Wei ChenState 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; ;Key Laboratory of Biosynthesis of Natural Products of National Health Commission, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, ChinaView further author information
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Hai-Bo YuState 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; Correspondence[email protected] [email protected]
View further author information
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Jun-Gui DaiState 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; ;Key Laboratory of Biosynthesis of Natural Products of National Health Commission, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, ChinaCorrespondence[email protected] [email protected]
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Pages 887-894 | Received 04 Oct 2018, Accepted 19 Nov 2018, Published online: 05 Jan 2019
 
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Abstract

Three new phenylspirodrimanes derivatives named stachybotrysins H and I (1 and 2) and stachybotrin E (3), together with one known compound stachybotrylactam (4), were isolated from Stachybotrys chartarum CGMCC 3.5365. Their structures were determined by extensive NMR data and mass spectroscopic analysis. Compounds 1 and 2 showed inhibitory effect towards potassium channel Kv1.3 with IC50 values of 13.4 and 10.9 μM, respectively.

Disclosure statement

No potential conflict of interest was reported by the authors.

Additional information

Funding

This work was financially supported by CAMS Innovation Fund for Medical Sciences (nos. CIFMS-2016-I2M-3-012 and CIFMS-2016-I2M-2-002), the National Science Foundation of China (no. 81803403), and Beijing Key laboratory of Non-Clinical Drug Metabolism and PK/PD Study (no. Z141102004414062).

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