7-Methyl-2H,5H-[1,3]benzodioxolo[6,5,4-de]benzo[g]quinoline-5,6(7H)-dione

BeschreibungThe callus tissue of Stephania cepharantha has provided a number of alkaloids that have been discovered and characterized by Japanese investigators. This base forms orange needles which melt above 350°C and possess a bright orange fluorescence. The ultraviolet spectrum has absorption maxima at 219, 238, 279, 290, 303, 315 and 439 nm with a shoulder at 265 nm. It belongs to the aporphine class and contains a methylenedioxy group and a methylimino group in the molecule.