A new compound,9,10-dihydrophenanthrinic acid,9,10-dione-3,4-methylenedioxy-8-methoxy（1） was isolated from the roots of Peucedanum praeruptorum Dunn on the basis of spectral evidences.
A new oxoaporphine alkaloid, 1,2-methylene-dioxy-8-hydroxy-5- oxoaporphine, was isolated from the stem barks of Alphonsea mollis . Its structure was established on the basis of spectral analysis and chemical correlation.
文摘A new compound,9,10-dihydrophenanthrinic acid,9,10-dione-3,4-methylenedioxy-8-methoxy（1） was isolated from the roots of Peucedanum praeruptorum Dunn on the basis of spectral evidences.
文摘A new oxoaporphine alkaloid, 1,2-methylene-dioxy-8-hydroxy-5- oxoaporphine, was isolated from the stem barks of Alphonsea mollis . Its structure was established on the basis of spectral analysis and chemical correlation.
