Coumarins ofPhlojodicarpus villosus

The dried plant (i kg) was extracted with ethanol, the extract was evaporated to small volume, the crystalline deposit that had separated out was filtered off, and the mother solution was diluted with water. The resinous mass that then precipitated was dissolved in ether, and the solution was washed with 0.5% KOH and with water. The residue after the… CONTINUE READING