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Evonine, an alkaloid obtained from euonymus sieboldiana blume. I. Relationship of functional groups and partial structure

✍ Scribed by Hiroshi Wada; Yoshikazu Shizuri; Kiyoyuki Yamada; Yoshimasa Hirata

Publisher: Elsevier Science
Year: 1971
Tongue: French
Weight: 243 KB
Volume: 12
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(01)96943-6

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Evonine, an alkaloid obtained from euony

Evonine, an alkaloid obtained from euonymus sieboldiana blume. II. The structure of evonine

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In the previous paper' we reported the partial structure (A) of the sesquiterpene part of evonine, C36H43NO17, an alkaloid isolated from Euonymus Sieboldiana Blume. In this paper the whole structure of evonine is presented.

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We have recently established the structures of four alkaloids, evonine l\_, neo-evonine 2, euonymine 2, and neo-euonymine 4\_, obtained from Euonymus Sieboldiana Blume. 1 In this paper the stereochemistry of these alkaloids is presented. The configurations of two asymmetric centers in the evonini

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Previously we reported the isolation and structural elucidation of four alkaloids including the principal alkaloid evonine l\_ from the seeds of Euonymus Sieblodiana Blume (Japanese name, Mayumi). 1,2,3,4 In further scrutiny of the alkaloidal components of the same source, we have obtained two new a