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Tropane alkaloids from |
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| Authors: | Yumi Nishiyama Masataka Moriyasu Momoyo Ichimaru Maki Sonoda Kinuko Iwasa Atsushi Kato Francis D. Juma Simon G. Mathenge Patrick B. Chalo Mutiso |
| Affiliation: | (1) Natural Medicinal Chemistry, Kobe Pharmaceutical University, 4-19-1, Motoyamakita-machi, Higashinada-ku, Kobe 658-8558, Japan;(2) Department of Clinical Pharmacology, Kenyatta National Hospital, University of Nairobi, P.O. Box 19676, Nairobi, Kenya;(3) Department of Botany, University of Nairobi, P.O. Box 30197, Nairobi, Kenya |
| Abstract: | A tropane alkaloid, anhydroecgonine methyl ester N-oxide (2), was isolated for the first time as a naturally occurring compound, with anhydroecgonine methyl ester (1) from the bark of Erythroxylum emarginatum. Compound 1 was also isolated from the twigs. Their structures were elucidated mainly by spectroscopic methods. |
| Keywords: | Erythroxylum emarginatum Tropane alkaloid Anhydroecgonine methyl ester N-oxide Anhydroecgonine methyl ester |
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