Chemical and Pharmaceutical Bulletin
Online ISSN : 1347-5223
Print ISSN : 0009-2363
ISSN-L : 0009-2363
The Aconite Alkaloids. XXIII. The Structure of Ignavine. (3).
Eiji OchiaiToshihiko Okamoto
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1959 Volume 7 Issue 5 Pages 550-556

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Abstract
The presence of α-methylenecyclohexanol grouping in ignavine or des-N-methyl-anhydroignavinol was proved by rearrangement reaction to ketone. Oxidative cleavage of the cyclohexanol ring in des-N-methylanhydroignavinol gave a dicarboxylic and one of the carboxyl groups in this acid was confirmed as tertiary. α-Glycol group which is another functional group in des-N-methylanhydroignavinol was also cleaved by oxidation to give a dicarboxylic acid and the glycol was proved to exist at carbons γ ond δ to the nitrogen.
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© The Pharmaceutical Society of Japan
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