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Dimericbiscognienynes B and C: New diisoprenyl-cyclohexene-type meroterpenoid dimers from Biscogniauxia sp.

查看全文 作　　者：Huan [1,2]Zhao;Meizhi [3]Wang;Guodong [1]Chen;Dan [1]Hu;Enqing [2]Li;Yibo [3]Qu;Libing [3]Zhou;Liangdong [4]Guo;Xinsheng [1]Yao;Hao [1]Gao 高影响力作者 机构地区：[1]Institute of Traditional Chinese Medicine and Natural Products, College of Pharmacy / Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, Jinan University;[2]College of Traditional Chinese Medicine, Jinan University;[3]Guangdong-Hongkong-Macao Institute of CNS Regeneration, Joint International Research Laboratory of CNS Regeneration, Jinan University;[4]State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences高影响力机构 出　　处：《Chinese Chemical Letters》索引2019年第30卷第1期,共4页高影响力期刊 基　　金：financially supported by grants from the National Natural Science Foundation of China (No. 3171101305);Chang Jiang Scholars Program (Hao Gao, 2017);the Ministry of Education of China, the Guangdong Natural Science Funds for Distinguished Young Scholar (No. 2017A03036027);Guangdong Special Support Program (No. 2016TX03R28);Guangdong Province Universitiesand Colleges Pearl River Scholar Funded Scheme (Hao Gao, 2014);Pearl River Nova Program of Guangzhou (No. 201610010021);K. C. Wong Education Foundation (Hao Gao, 2016) 摘　　要：Dimericbiscognienynes B and C(1 and 2), two new diisoprenyl-cyclohexene-type meroterpenoid dimers,were isolated from Biscogniauxia sp. 71-10-1-1. Their structures, including the absolute configurations,were determined by spectroscopic analyses and ECD experiments. Meroterpenoids are special natural products that originate from mixed terpenoid-nonterpenoid pathway. As a member of meroterpenoid family, diisoprenyl-cyclohexene/ane-type meroterpenoids composed of two isoprenyl chains(C5 unit)and a cyclohexene/ane moiety(C6 unit), featuring diverse skeleton structures with wide range of bioactivities. In these reported diisoprenyl-cyclohexene/ane-type meroterpenoids, only three dimers were identified. The discovery of the two new dimers added members of this rare class of meroterpenoids. 关 键 词：Meroterpenoid Dimer Diisoprenyl-cyclohexene/ane-type meroterpenoid DIELS-ALDER reaction Biscogniauxia sp.
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