From the roots of Krameria parvifolia, the new neolignans (2R,3R,2'R)-
2,3-dihydro-2-(4-hydroxyphenyl)-5-(2' -hydroxypropyl)-3-methylbenzofur
an and oxy-2-methoxyphenyl)-5-(3-hydroxypropyl)benzofuran were isolate
d. In addition, conocarpan, eupomatenoid 6, hermosillol, ratanhiapheno
l I, ratanhiaphenol III, zapotecol, caffeoylcycloartenol and a further
10 known compounds, all belonging to the lignans, neolignans and norn
eolignans, respectively, were characterized. Copyright (C) 1996 Elsevi
er Science Ltd