1971
DOI: 10.1002/cber.19711040935
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Synthetische Arbeiten in der Reihe der aromatischen Erythrina‐Alkaloide, XX Synthese des 15.16‐Dimethoxy‐ trans ‐erythrinans und dessen Abbau zum trans ‐Erythrinan

Abstract: Alhert Motidon und Pctw-R. Seidel', Synthetische Arbeiten in der Reihe der aroinatischen Erythri n a-Al kal oi de, XX 2) Synthese des 15.16-Dimethoxy-trans-erythrinans und dessen Abbau zum trans-Erythrinan Die katalytische Elydrierung des Al.h-Dien-lactams 13 mit Platin in Eisessig fuhrt zu den stereoisomeren Lactamen 14 und 15, aus denen durch Reduktion mit Lithiumalanat die cisund trans-Basen 8 und 5 erhaltcn werden. Die bl.6-Dienbase 12 IaBt sich mit Palladium-Kohlc in Methanol nur partiell zur Al(h)-Base 1… Show more

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Cited by 32 publications
(1 citation statement)
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“…[61][62][63] Indeed, cyclization of the aromatic ring onto the N-acyliminium ion center readily occurred from the axial position. [64][65][66] The rearranged product 127 was then converted into the key intermediate 128 previously used by Stork for the synthesis of (±)-lycopodine 129. 61,62 Scheme 25…”
Section: (±)-Lycopodinementioning
confidence: 99%
“…[61][62][63] Indeed, cyclization of the aromatic ring onto the N-acyliminium ion center readily occurred from the axial position. [64][65][66] The rearranged product 127 was then converted into the key intermediate 128 previously used by Stork for the synthesis of (±)-lycopodine 129. 61,62 Scheme 25…”
Section: (±)-Lycopodinementioning
confidence: 99%