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Two New Diterpenoids and other Constituents from Isodon Nervosus
Author(s) -
Yan FuLin,
Guo LanQing,
Bai SuPing,
Sun HanDong
Publication year - 2008
Publication title -
journal of the chinese chemical society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.329
H-Index - 45
eISSN - 2192-6549
pISSN - 0009-4536
DOI - 10.1002/jccs.200800138
Subject(s) - chemistry , stereochemistry , diterpene , terpene , two dimensional nuclear magnetic resonance spectroscopy
Two new ent ‐kaurane diterpenoids, 15β‐hydroxy‐6,7‐seco‐6,11β:6,20‐diepoxy‐1α,7‐olide‐ ent ‐kaur‐16‐ene ( 1 ), 11α,15α‐dihydroxy‐6β‐methoxy‐6,7‐seco‐6,20‐epoxy‐1α,7‐olide‐ ent ‐kaur‐16‐ene ( 2 ), together with four known diterpenoids, nodosin ( 3 ), isodocarpin ( 4 ), odonicin ( 5 ) and maoyecrystal F ( 6 ) were isolated from the aerial parts of Isodon nervosus. The structures of the new compounds were elucidated on the basis of their spectral evidence, especially on 2D NMR.
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