Phytochemical and chemotaxonomic study on the Lichen Lethariella cladonioides |
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| Institution: | 1. School of Chinese Materia Medica, Tianjin University of Traditional Chinese Medicine, Tianjin, 301617, PR China;2. Biological Testing Laboratory of Tianjin Tiancheng Drug Assessment Research Co., Ltd., Tianjin, 300301, PR China;1. Department of Pharmacognosy, Faculty of Pharmacy, Medical University-Sofia, 2 Dunav Str., 1000, Sofia, Bulgaria;2. Department of Biology, Science Faculty, Selcuk University, Konya, Turkey;3. Department of Chemistry, Faculty of Pharmacy, Medical University-Sofia, 2 Dunav Str., 1000, Sofia, Bulgaria;1. Department of Science, Dong Nai University, Bien Hoa City, Dong Nai Province, Viet Nam;2. Faculty of Environmental Science, Sai Gon University, 273 An Duong Vuong, Ho Chi Minh City, Viet Nam;3. Faculty of Chemistry, Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi, Viet Nam;4. Bioactive Compounds Laboratory, Institute of Chemical Technology, Vietnam Academy of Science and Technology, Thanh Loc 29, Thanh Loc, District 12, Ho Chi Minh City, Viet Nam;1. Faculty of Agriculture, Iwate University, Morioka, 020-8550, Japan;2. Agri-Innovation Center, Iwate University, Morioka, 020-8550, Japan;3. Faculty of Humanities & Social Science, Iwate University, Morioka, 020-8550, Japan;4. Faculty of Agriculture, Tokyo University of Agriculture and Technology, Fuchu, 183-8509, Japan;1. Joint Surgery, Guangxi Orthopaedics and Traumatology Hospital, Nanning, 530000, Guangxi Zhuang Autonomous Region, PR China;2. Graduate School, Guangxi University of Chinese Medicine, Nanning, 530000, Guangxi Zhuang Autonomous Region, PR China;3. Orthopedics and Traumatology College, Guangxi University of Chinese Medicine, Nanning, 530001, Guangxi Zhuang Autonomous Region, PR China;4. Department of Orthopedics, Ruikang Hospital Affiliated to Guangxi University of Chinese Medicine, Nanning, 53000, Guangxi Zhuang Autonomous Region, PR China;5. Joint Surgery, International ZhuangYi Hospital Affiliated to Guangxi University of Chinese Medicine, Nanning, 530000, Guangxi Zhuang Autonomous Region, PR China |
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| Abstract: | The comprehensive phytochemical research of Lethariella cladonioides (Nyl.) Krog, (Parmeliaceae), a lichen in southwest China, resulted in isolation of eighteen compounds (1–18), including a new phenolic acid 3,5-dihydroxy-4-methylbenzaldehyde (1) and seventeen known compounds, nine phenolic acids (2–10), one dibenzofuran (11), two depsides (12 and 13), one alkane (14), one glucoside (15), two polyols (16 and 17), and one fatty acid (18). The structures of these compounds were assigned by detailed interpretations of spectroscopic data (1D and 2D NMR, HR-ESI-MS) and comparisons with the published data. Among them, 3,5-dihydroxy-4-methylbenzaldehyde (1) is a new one. (−)-hydroxypropan-2′,3′-diol-orsellinate (10) have not been reported from any species in the lichens. Compounds 6, 7, 9, 12, 14, 16 and 18 were firstly isolated from the genus Lethariella (Motyka) Krog. Compounds 2, 6, 7, 9, 10, 12, 14, 16 and 18 were reported from L. cladonioides firstly. The chemotaxonomic significance of these compounds was also discussed. |
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| Keywords: | Phenolic acids Depsides Phytochemicals Chemotaxonomic |
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