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Formic Acid Catalysed Rearrangement of 5β-Methyldihydrothevinols (=3,6-Dimethoxy-5,17-dimethyl-4,5-epoxy-6,14-ethanomorphinan-7-methanols): Synthesis of New Doubly Bridged Morphinan Derivatives

✍ Scribed by David Rennison; Peter Grundt; Claire Goodyer; John W. Lewis; Stephen M. Husbands

Publisher
John Wiley and Sons
Year
2005
Tongue
English
Weight
83 KB
Volume
2
Category
Article
ISSN
1612-1872

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📜 SIMILAR VOLUMES

Formic Acid Catalyzed Rearrangement of T
Formic Acid Catalyzed Rearrangement of Thevinols (=4,5-Epoxy-3,6-dimethoxy-α,17-dimethyl-6,14-ethenomorphinan-7-methanols) and Their Vinylogous Analogues: Effects of 5β-Methyl Substitution
✍ Peter Grundt; Fernando Martinez-Bermejo; John W. Lewis; Stephen M. Husbands 📂 Article 📅 2003 🏛 John Wiley and Sons 🌐 German ⚖ 198 KB

## Abstract In a limited number of cases, 14‐alkenylcodeinones (=14‐alkenyl‐7,8‐didehydro‐4,5‐epoxy‐3‐methoxy‐17‐methylmorphinan‐6‐ones) can be obtained by formic acid treatment of thevinols (=4,5‐epoxy‐3,6‐dimethoxy‐__α__,17‐dimethyl‐6,14‐ethenomorphinan‐7‐methanols), but under these conditions th

Synthesis and Characterization of New 7-
Synthesis and Characterization of New 7-Substituted 6,14-Ethenomorphinane Derivatives: N-{5-[(5α,7α)-4,5-Epoxy-3,6-dimethoxy-17-methyl-6,14-ethenomorphinan-7-yl]-1,3,4-oxadiazol-2-yl}arenamines
✍ Serkan Yavuz; Yılmaz Yıldırır 📂 Article 📅 2010 🏛 John Wiley and Sons 🌐 German ⚖ 236 KB 👁 1 views

In this study, (5a,7a)-4,5-epoxy-3,6-dimethoxy-17-methyl-6,14-ethenomorphinan-7-carboxylic acid hydrazide (5) was synthesized by the condensation of methyl (5a,7a)-4,5-epoxy-3,6-dimethoxy-17methyl-6,14-ethenomorphinan-7-carboxylate (4) with NH 2 NH 2 • H 2 O. The (5a,7a)-4,5-epoxy-3,6-dimethoxy-17-m