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Methoxybrassenins A and B, sulphur-containing stress metabolites from Brassica oleracea var. Capitata |
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| Authors: | Kenji Monde Keiji Sasaki Akira Shirata Mitsuo Takasugi |
| Affiliation: | Department of Chemistry, Faculty of Science, Hokkaido University, Sapporo 060, Japan a National Institute of Sericultural and Entomological Science, Tsukuba 305, Japan |
| Abstract: | Two methoxybrassinin-related stress metabolites, named methoxybrassenins A and B, were isolated from Brassica oleracea var. capitata inoculated with Pseudomonas cichorii. Their structures have been elucidated by spectroscopic and chemical methods. The unusual NMR spectrum of methoxybrassenin B is also discussed in connection with its structure. |
| Keywords: | Brassica oleracea Cruciferae cabbage stress metabolite phytoalexin, indole methoxybrassenin A methoxybrassenin B sulphur compound topomerization. |
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