A New Megastigmane Palmitate and a New Oleanane Triterpenoid from Aster yomena Makino |
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| Authors: | Qinglong Jin Hong‐Guang Jin A Ryun Kim Eun‐Rhan Woo |
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| Institution: | 1. College of Pharmacy, Chosun University, 375 Seosuk‐dong, Dong‐gu, Gwangju 501?–?759, Republic of Korea, (phone: +82‐62‐2306369;2. fax: +82‐62‐2225414) |
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| Abstract: | A new megastigmane palmitate, 9‐oxomegastigm‐5(13)‐ene‐2β‐palmitate ( 1 ), and a new oleanane triterpenoid, (3β)‐3,23,28‐trihydroxyolean‐12‐en‐11‐one ( 2 ), together with three known oleanane‐type triterpenoids, β‐amyrin ( 3 ), erythrodiol ( 4 ), and (3β)‐olean‐12‐ene‐3,23,28‐triol ( 5 ), were isolated from the aerial parts of Aster yomena (Asteraceae). Their structures were identified based on 1D‐ and 2D‐NMR analysis, including 1H,1H‐COSY, HSQC, HMBC, and NOESY techniques. |
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| Keywords: | Aster yomena Megastigm‐5(13)‐ene‐2β ‐palmitate 9‐oxo‐ Olean‐12‐ene‐11‐one 3β 23 28‐trihydroxy‐ Triterpenoids |
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