Five new resin glycosides, calyhedins XI-XV, from Calystegia hederacea.

Calystegia hederacea Wall. (Convolvulaceae) is a perennial herbaceous vine that grows widely in India and East Asia. All parts of this plant are used to treat various disorders such as menoxenia and gonorrhea.

Four new resin glycosides, calyhedins VII-X, from the rhizomes of .

Four new resin glycosides with macrolactone structures (jalapins), namely, calyhedins VII ()-X (), were isolated from the rhizomes of Wall. (Convolvulaceae). The structures of - were determined based on spectroscopic data.

Calyhedins I-VI: Resin glycosides from the rhizomes of Calystegia hederacea.

Six previously undescribed resin glycosides, calyhedins I-VI, were isolated from the rhizomes of Calystegia hederacea Wall., which are the first genuine resin glycosides isolated from C. hederacea.