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Gardneria alkaloids - VI structures of gardneramine and alkaloid G (demethylgardneramine)

✍ Scribed by S. Sakai; N. Aimi; A. Kubo; M. Kitagawa; M. Shiratori; J. Haginiwa


Publisher
Elsevier Science
Year
1971
Tongue
French
Weight
228 KB
Volume
12
Category
Article
ISSN
0040-4039

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✦ Synopsis


Our previous papers described the isolation of four new indolic alkaloids from Gardneria ~&g&lg Sieb. et Zucc. (Loganiaceae) 2) and the structural studies which allowed us to


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Gardneria alkaloids II. The structures o
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We have described previously the isolation of four kinds of indole alkaloids, gardneramine, gardnerine, gardnutine and hydroxygardnutine from the dry roots and stems of Gardneria nutans Sieb. et Zucc. ( HEraikazura ). From the following chemical and spectroscopical data, structures of gardnerine, g

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received in UK for publication 28 JUXI~ 1975) A Japanese Loganiaceae plant, Gardneria multiflora, has been found to be a rich source of indolic alkaloids, 1) and the structure of the main base, gardneramine( was fully elucidated by us. 2,3) This paper deals with the isolation and structure elucidati

Eudistomidin G, a new Ξ²-carboline alkalo
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A new b-carboline alkaloid, eudistomidin G (1), has been isolated from the Okinawan marine tunicate Eudistoma glaucus, and the structure was elucidated from spectroscopic data. Furthermore, the structure of eudistomidin B (2), which has been isolated from the same tunicate, was revised from 2a to 2b