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Natural Product Research
Formerly Natural Product Letters
Volume 35, 2021 - Issue 7
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Research Articles

A new hopane derivative from the lichen Dirinaria applanata

Trong Tuan NguyenDepartment of Chemistry, College of Natural Sciences, Can Tho University, Can Tho, Vietnam; Correspondence[email protected]
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Thanh Nguyen Quoc ChauDepartment of Chemistry, College of Natural Sciences, Can Tho University, Can Tho, Vietnam; ;Faculty of Molecular Chemistry and Engineering, Kyoto Institute of Technology, Kyoto, Japan; View further author information
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Hieu Mai VanDepartment of Chemistry, College of Natural Sciences, Can Tho University, Can Tho, Vietnam; View further author information
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Toan Phan QuocDepartment of Chemistry, College of Natural Sciences, Can Tho University, Can Tho, Vietnam; View further author information
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Qui Do PhuocDepartment of Chemistry, College of Natural Sciences, Can Tho University, Can Tho, Vietnam; View further author information
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The Duy NguyenDepartment of Chemistry, College of Natural Sciences, Can Tho University, Can Tho, Vietnam; View further author information
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Phuc Dam NguyenDepartment of Chemistry Education, School of Education, Can Tho University, Can Tho, Vietnam; View further author information
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Tram Nguyen Thi ThuDepartment of Chemistry, Faculty of Science, Can Tho University of Medicine and Pharmacy, Can Tho, Vietnam; View further author information
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Tien Dung LeDepartment of Pharmaceutical Biochemistry, Institute of Applied Materials Science, Vietnam Academy of Science and Technology, Ho Chi Minh City, VietnamView further author information
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Trang Dai Thi XuanDepartment of Chemistry, College of Natural Sciences, Can Tho University, Can Tho, Vietnam; View further author information
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Kamei KaekoFaculty of Molecular Chemistry and Engineering, Kyoto Institute of Technology, Kyoto, Japan; View further author information
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Kanaori KenjiFaculty of Molecular Chemistry and Engineering, Kyoto Institute of Technology, Kyoto, Japan; View further author information
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Pages 1167-1171 | Received 30 Nov 2018, Accepted 09 Jul 2019, Published online: 24 Jul 2019
 
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Abstract

Chemical investigation of the lichen Dirinaria applanata led to isolate nine compounds including a new hopane derivative, 1β-acetoxy-21α-hopane-3β,22-diol (1) together with six phenolic compounds naming divaricatinic acid (2), methyl divaricatinate (3), methyl-β-orcinolcarboxylate (4), methyl haematommate (5), divarinol (6), ramalinic acid A (7), and two xanthones namely lichenxanthone (8), 4,5-dichlorolichenxanthone (9). Their structures were elucidated by spectroscopic data in combination with published literature. Except compound 2, all compounds were isolated from this species for the first time.

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Disclosure statement

No potential conflict of interest was reported by the authors.

Additional information

Funding

This work was supported by the Vietnam Ministry of Education and Traning under Grant (No. B2017-TCT-26ĐT).

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