Octandrenolone and five novel related dimethylpyran acetophenones have
been isolated from the chloroform extract of roots of Melicope erroma
ngensis and identified by spectroscopic studies and chemical correlati
ons as O-methyloctandrenolone, (+)-trans-3''', 4'''-dihydro-3''', 4'''
-dihydroxy-O-methyloctandrenolone, (+)-trans-3 '', 4 ''-dihydroxy-O-me
thyloctandrenolone, (+)-trans-3''', 4'''-dihydroxyoctandrenolone, and
trans-3 '', 4-''-3 '', 4 ''-dihydroxyoctandrenolone. In addition, four
known quinolines and three known flavones been isolated.