On the Synthesis of Protopine Alkaloids

For the synthesis of protopine alkaloids, we studied a reaction sequence based on a ring enlargement of indeno[2,1-a][3]benzazepines by a singlet oxygen oxygenation, followed by conversion of an amide carbonyl group of the resultant 10-membered keto-lactam to a methylene group, which is the last ste...

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Veröffentlicht in:	Journal of organic chemistry 2007-09, Vol.72 (19), p.7301-7306
Hauptverfasser:	Wada, Yasuhiro, Kaga, Harumi, Uchiito, Shiho, Kumazawa, Eri, Tomiki, Miho, Onozaki, Yu, Kurono, Nobuhito, Tokuda, Masao, Ohkuma, Takeshi, Orito, Kazuhiko
Format:	Artikel
Sprache:	eng
Schlagworte:	Benzazepines - chemistry Benzophenanthridines - chemical synthesis Berberine Alkaloids - chemical synthesis Chemistry Exact sciences and technology Heterocyclic compounds Heterocyclic compounds with only one n hetero atom and condensed derivatives Organic chemistry Preparations and properties
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