引用本文:
Jiang XIONG, Qi Duan JIN, Yun Long XU. New diterpenoid glucosides from Siegesbeckia pubescens[J]. Chinese Chemical Letters,
2001, 12(1): 51-54.
Citation: Jiang XIONG, Qi Duan JIN, Yun Long XU. New diterpenoid glucosides from Siegesbeckia pubescens[J]. Chinese Chemical Letters, 2001, 12(1): 51-54.
Citation: Jiang XIONG, Qi Duan JIN, Yun Long XU. New diterpenoid glucosides from Siegesbeckia pubescens[J]. Chinese Chemical Letters, 2001, 12(1): 51-54.
New diterpenoid glucosides from Siegesbeckia pubescens
摘要:
Five new diterpenoids isolated from Siegesbeckia pubescens, pubesides A~E, were established as ent-2α,15,16-trihydroxypimar-8(14)-en-2-O-β-D-glucopyranoside (1), ent-15,16,19-trihydroxypimar-8(14)-en-19-O-β-D-glucopyranoside (2), b-D-glucopyranosyl-ent-15,16-dihydroxypimar-8(14)-en-19-oiclate (3), ent-2-oxo-15,16,19-trihydroxypimar-8(14)-en-19-O-β-D-gluco-pyranoside (4), ent-2-oxo-15,16,19-trihydroxypimar-8(14)-en-19-O-β-D-glucopyranoside-15,16-acetonide (5) by 1D and 2D NMR techniques.
English
New diterpenoid glucosides from Siegesbeckia pubescens
Abstract:
Five new diterpenoids isolated from Siegesbeckia pubescens, pubesides A~E, were established as ent-2α,15,16-trihydroxypimar-8(14)-en-2-O-β-D-glucopyranoside (1), ent-15,16,19-trihydroxypimar-8(14)-en-19-O-β-D-glucopyranoside (2), b-D-glucopyranosyl-ent-15,16-dihydroxypimar-8(14)-en-19-oiclate (3), ent-2-oxo-15,16,19-trihydroxypimar-8(14)-en-19-O-β-D-gluco-pyranoside (4), ent-2-oxo-15,16,19-trihydroxypimar-8(14)-en-19-O-β-D-glucopyranoside-15,16-acetonide (5) by 1D and 2D NMR techniques.
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Key words:
- Siegesbeckia pubescens
- / new diterpenoid glucosides
- / pubesides A~E
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