Journal
JOURNAL OF NATURAL PRODUCTS
Volume 80, Issue 5, Pages 1354-1360Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.jnatprod.6b00947
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Funding
- Brain Korea 21 Plus program
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Sixteen new angular dihydropyranocoumarins.(1-16) and 24 known compounds were isolated from the roots of Peucedanum japonicum Thunb. The absolute configuration of diacylkhellactone was established by partial hydrolysis, the Mosher method, and X-ray crystallography. In addition, ECD spectroscopy was used to assign the absolute configurations of several of the angular dihydropyranocoumarins. Enantiomers were detected by RP-HPLC using MTPA esters while acyl migration of the substituents was observed in cis-monoacylkhellact ones.
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