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Records of Natural Products
Yazarlar: Nguyen Trong Tuan , Mai Van Hieu , Nguyen Quoc Chau Thanh , Huynh Van Loi , Huu Lai Nghia , Tran Thi Tuyet Hoa Kanaori Kenji
Konular:-
Anahtar Kelimeler:Dirinaria applanata ,Lichen ,Hopan-29-oic acid ,Depside
Özet: From the extract of lichen Dirinaria applanata, two hopane derivatives including 1b-acetoxy-3b-hydroxy-21a-hopan-29-oic acid (1), hopane-3b, 6b, 21a-triol (2) and a depside namely 2-O¢-methylnordivaricatic acid (3) were isolated and identified by extensive analyzing 1D-NMR, 2D-NMR, HRESI-MS, and FT-IR. Notably, compound 1 and 3 were novel compounds while compound 2 was isolated from this lichen species for the first time.