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Noroleanane Triterpenoids from the Aerial Parts of Lantana camara

✍ Scribed by Sabira Begum; Syeda Qamar Zehra; Syed Imran Hassan; Bina S. Siddiqui

Publisher
John Wiley and Sons
Year
2008
Tongue
German
Weight
187 KB
Volume
91
Category
Article
ISSN
0018-019X

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✦ Synopsis

Abstract

Two novel triterpenoids, lantadienone (1) and camaradienone (2), were isolated from the aerial parts of Lantana camara, along with seven known compounds, lantadene A, lantadene B, β‐sitosterol 3‐(β‐D‐glucopyranoside), camaric acid, lantanilic acid, lantanolic acid, and camangeloyl acid. Their structures were elucidated as (3__β__,22__β__)‐3,25‐epoxy‐3‐hydroxy‐22__‐{[(2__Z)‐2‐methyl‐1‐oxobut‐2‐enyl]oxy}‐28‐noroleana‐12,17‐dien‐11‐one (1) and (3__β__)‐3,25‐epoxy‐3‐hydroxy‐28‐noroleana‐12,17‐dien‐11‐one (2), respectively, by means of spectral studies. The triterpenoids 1 and 2 represent 28‐noroleananes oxidized at C(11) and C(22) or at C(11), reported for the first time.

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