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Terpenoids and coumarins isolated from the fruits of Poncirus trifoliata
Authors:Xu Guang-Hua  Kim Jeong-Ah  Kim So-Young  Ryu Jae-Chun  Kim Young-Soo  Jung Sang-Hun  Kim Mi-Kyeong  Lee Seung-Ho
Institution:College of Pharmacy, Yeungnam University, Gyeongsan, Korea.
Abstract:Four new triterpenes, 21alpha-methylmelianodiol (1), 21beta-methylmelianodiol (2), hispidol A 25-methyl ether (3) and hispidol B 25-methyl ether (4), and a new coumarin, isoschininallylol (5), were isolated from the fruits of Poncirus trifoliata RAFINESQUE, along with seventeen known compounds. The structures of the new compounds (1 - 5) were elucidated by interpretation of their spectroscopic data.
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