作者: Terrence P. Green , David F. Wiemer
DOI: 10.1016/0031-9422(91)80104-9
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摘要: Abstract Further studies of a chloroform extract ofPiper capense roots have resulted in the isolation and characterization four new neolignans. Three these compounds are unusual 2′-oxo-8.1′-neolignans, while fourth is more common 6′-oxo-8.3′-neolignan variety.