Hikaru Okabe

TL;DR: In this paper, pairs of enantiomers of nine aldoses were separated by gas-liquid chromatography on an OV-17 capillary column as the trimethylsilyl ethers of methyl 2- (polyhydroxyalkyl) -thiazolidine-4 (R) -carboxylates.

TL;DR: Thirty-two extracts from 22 Mexican medicinal plants of 15 different families were assayed to determine their antibacterial activity against Escherichia coli and Staphylococcus aureus, and Coumarins and xanthones were isolated as the principle compounds from the last two plants.

TL;DR: The flavonoid fraction from the leaves of Lantana montevidensis Briq showed antiproliferative activity against human gastric adenocarcinoma, human uterus carcinoma, and murine melanoma cells in vitro.

TL;DR: Based on the previous finding that 3-O-acyl-betulinic and -oleanolic acids, especially the3-O-(3',3'-dimethyl)-succinyl derivatives (2 and 4), demonstrated potent anti-HIV activity, several 3- O-acyL-ursolic acids were prepared and evaluated for anti-hIV activity.

TL;DR: Eighteen main compounds, including four norsesquiterpenoids and 14 phenolic compounds isolated previously from Phyllanthus emblica, together with a main constituent, proanthocyanidin polymers identified at this time from the roots, were estimated for their antiproliferative activities against MK-1, HeLa, and B16F10 cells using an MTT method.