Calysolins X-XIII, resin glycosides from Calystegia soldanella, and their antiviral activity toward herpes simplex virus.

Four new resin glycosides having macrolactone structures (jalapins), named calysolins X (1)-XIII (4), were isolated from the leaves, stems, and roots of Calystegia soldanella ROEM. et SCHULT. (Convolvulaceae).

Calysolins V-IX, resin glycosides from Calystegia soldanella and their antiviral activity toward herpes.

Five new resin glycosides having macrolactone structures (jalapins), named calysolins V-IX (1-5), were isolated from the leaves, stems, and roots of Calystegia soldanella ROEM. et SCHULT. (Convolvulaceae).