Neodihydrothebaine and bractazonine, two dibenz[d,f]azonine alkaloids of Papaver bracteatum

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Neodihydrothebaine and bractazonine, two dibenz[d,f]azonine alkaloids of Papaver bracteatum
 
Salemink, C.A.; Theuns, H.G.; Lenting, H.B.M.; Tanaka, H.; Shibata, M.; Ito, K.; Lousberg, R.J.J.Ch.
(1984) Phytochemistry, volume 23, issue 5, pp. 1157 - 1166
(Article)
Abstract
Two new dibenz[d,f]azonine alkaloids, neodihydrothebaine and bractazonine were isolated from Papaver bracteatum. Their possible biosynthesis from thebaine is discussed. The structures of both new alkaloids are proven by synthesis. An isomeric dibenz[d,f]azonine compound was also prepared.
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Keywords: Papaver bracteatum; Papaveraceae; alkaloids; dibenz[d,f]azonines; neodihydrothebaine; bractazonine; biosynthetic pathway; synthesis; 5,6,8,9-tetrahydro-2-methoxy-7-methyl-dibenz[d,f]azonin-1,12-diol;, 5,6,8,9-tetrahydro-2,10-dimethoxy-7-methyl-dibenz[d,f]azonin-1-ol; 5,6,8,9-tetrahydro-2,11-dimethoxy-7-methyl-dibenz[d,f]azonin-1-ol; 5,6,8,9-tetrahydro-2,12-dimethoxy-7-methyl-dibenz[d,f]azonin-1-ol
ISSN: 0031-9422
Publisher: Elsevier
 
 
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