2. Academic Validation
  3. Tetranortriterpenoids from Walsura yunnanensis

Tetranortriterpenoids from Walsura yunnanensis

  • J Nat Prod. 2000 Jul;63(7):947-51. doi: 10.1021/np990607x.
X D Luo 1,  S H Wu,  Y B Ma,  D G Wu
Affiliations

Affiliation

  • 1 Laboratory of Phytochemistry, Kunming Institute of Botany, The Chinese Academy of Sciences, Kunming 650204 Yunnan, People's Republic of China. x_dluo@hotmail.com
PMID: 10924171 DOI: 10.1021/np990607x
Abstract

Five new tetranortriterpenoids-walsurin (1), isowalsuranolide (2), walsuranolide (3), 11beta-acetoxywalsuranolide (4), and 20, 22-dihydro-22,23-epoxywalsuranolide (5)-and three new natural tetranortriterpenoids-11beta-hydroxydihydrocedrelone (6), 11beta-acetoxydihydrocedrelone (7), and 11beta-hydroxycedrelone (8)-together with a known tetranortriterpenoid, cedrelone (9), were isolated from the bark of Walsura yunnanensis. The structures of 1-8 were determined on the basis of spectral evidence.

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