Lignans and neolignans from stems and fr
β
Ashok K. Prasad; Om D. Tyagi; Jesper Wengel; Per M. Boll; Carl E. Olsen; Nawal K
π
Article
π
1994
π
Elsevier Science
π
French
β 724 KB
2) were isolated from the peholeum ether extract of Stems of Piper wighrii Miq. Tlte structures were elucidated on the bask of their spectmscopic analysis and chemical transformation. Additionally five known neolignans, isodihydmf~to@nol A (3) and B (4). lancifolin C (5) and D (6) and wallichinine (