Hitoshi Yoshimitsu results 29
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Eight new resin glycosides, calyhedins XXIV–XXXI, from the rhizomes of Calystegia hederaceaNARA Subscribed
Eight new resin glycosides, named calyhedins XXIV ( 1 )–XXXI ( 8 ), were isolated from the rhizomes of Calystegia hederacea Wall. (Convolvulaceae), along with six known calyhedins: calyhedins II ( 9 ), III ( 10 ), IV ( 11 ), V ( 12 ), VIII ( 13 ), and XII ( 14 ). Their structures were determined from the spectroscopic data. Compounds 1 – 7 were hexa- or hepta-glycosides with macrolactone structures (jalapins), and their sugar...
Four new acylated glycosidic acid methyl esters and a new glycosidic acid from Ipomoea lacunosa seedsNARA Subscribed
Resin glycosides, characteristic of plants of the Convolvulaceae family, are well-known purgative constituents found in traditional medicinal crude drugs, such as Rhizoma Jalapae, Rhizoma Jalapae Braziliensis, Orizaba Jalapa Tuber, and Pharbitidis Semen. The isolated compounds exhibited a wide range of biological activities, including antibacterial, ionophoric, anti-inflammatory, antiviral, and multidrug-resistance-modulating...