Isao Kitagawa

Bioactive saponins and glycosides. III. Horse chestnut. (1): The structures, inhibitory effects on ethanol absorption, and hypoglycemic activity of escins Ia, Ib, IIa, IIb, and IIIa from the seeds of Aesculus hippocastanum L.

Escins-Ia, Ib, IIa, IIb, and IIIa, Bioactive Triterpene Oligoglycosides from the Seeds of Aesculus hippocastanum L.: Their Inhibitory Effects on Ethanol Absorption and Hypoglycemic Activity on Glucose Tolerance Test.

Structures of new acylated oleanene-type triterpene oligoglycosides, theasaponins E1 and E2, from the seeds of tea plant, Camellia sinensis (L.) O. Kuntze.

ABSOLUTE STEREOSTRUCTURES OF PAEONISUFFRONE AND PAEONISUFFRAL, TWO NEW LABILE MONOTERPENES, FROM CHINESE MOUTAN CORTEX

Chemical Studies on Crude Drug Processing IX. On the Constituents of Rehmanniae Radix. (3). Absolute Stereostructures of Rehmaionosides A, B, and C, and Rehmapicroside, Biologically Active Ionone Glucosides and a Monoterpene Glucoside Isolated from Chinese Rehmanniae Radix

Indonesian Medicinal Plants. VI. On the Chemical Constituents of the Bark of Picrasma javanica BL. (Simaroubaceae) from Flores Island. Absolute Stereostructures of Picrajavanins A and B

Indonesian Medicinal Plants. XIX. Chemical Structures of Four Additional Resin-Glycosides, Mammosides A, B, H1, and H2, from the Tuber of Merremia mammosa (Convolvulaceae).

Indonesian Medicinal Plants. XV. Chemical Structures of Five New Resin-Glycosides, Merremosides a, b, c, d, and e, from the Tuber of Merremia mammosa (Convolvulaceae)

Synthesis of (11S)-(+)- and (11R)-(−)-jalapinolic acids. a revision of chemical structures of merremosides B and D

A NEW APPROACH TO THE SYNTHESIS OF OPTICALLY ACTIVE PSEUDO-SUGAR AND PSEUDO-NUCLEOSIDE -SYNTHESES OF PSEUDO-α-D-ARABINOFURANOSE, (+)-CYCLARADINE, AND (+)-1, PSEUDO-β-D-ARABINOFURANOSYLURACIL FROM D-ARABINOSE -