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Author:
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Year:
Volume:
Issue:
Modifications of Norditerpenoid Alkaloids: Ⅰ.N-Deethylation Reactions
Author(s):
Fend Peng WANG
,
Ju Zheng FAN
,
Zheng Bang LI
,
Jin Song YANG
,
Bo Gang LI
,
(Department of Chemistry of Medicinal Natural Products. School of Pharlnacy.West of China University of Medical Sciences. Chengdu 610041Chengdu Institute of Biology Chinese Academy of
Pages:
375
-
378
Year:
1999
Issue:
5
Journal:
Chinese Chemical Letters
Keyword:
Norditerpenpid alkaloids
;
N-deethy lation
;
Abstract:
Using oxidation with KMnO4. KMnO4/acetone-H2O. NAS. followed by Polonovskyreaction and imine formation. the N-deethylation of six norditerpenoid alkaloids 6-epi-forsticille.yunnaconitine. 3. 13-diacetylyunnaconitine. 13-dehydroxy-indaconitine. indaconitine and 3-acetylpseudaconine are reported in 36-60% yields.
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