Prantschimgin — A new coumarin from the roots ofPrangos tschimganica
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1. Isoimperatorin and oxypeucedanin have been found in the roots ofPrangos tschimganica B. Fedtsch.
2. A new coumarin which we have called prantschimgin, has been isolated and its structure has been established as the ester of 5′-(2″-hydroxyisopropyl)-4′,5′-dihydrofuro(2′,3′: 7, 6) coumarin and 2, 2-dimethylacrylic (senecioic) acid.
KeywordsCoumarin Petroleum Ether Thionyl Chloride Caustic Soda Anilide
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