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- W2902146880 abstract "The Stemona alkaloids are a structurally interesting class of alkaloids isolated from theroots and rhizomes of the Stemonaceae plant family. During this project we haveinvestigated the viability of constructing the tricyclic core of the Stemona alkaloids usinga cascade Heck/carbopalladation reaction sequence, starting from anallylvinylcyclopropane building block, utilising the group's [2+3] palladium catalysedcycloaddition chemistry.[Illustration omitted.]We have briefly investigated applying our palladium catalysed [2+3] cycloadditionmethodology towards doubly activated vinylcyclopropanes, preparing a selection oftetrahydrofuran and pyrrolidine precursors which underwent a Heck mediated cyclisationto yield a variety of functionalised polycycles. As well as further developing thismethodology towards a tandem cycloaddition/Heck one-pot strategy.[Illustration omitted.]We have also investigated applying this methodology towards the construction of theazepine core of the Stemoamide group of Stemona alkaloids. Using the group's [2+3]cycloaddition chemistry to construct suitable pyrrolidines and subjecting them to Heckmediated cyclisations as well as investigating the viability of a tandemcycloaddition/Heck one-pot strategy." @default.
- W2902146880 created "2018-12-11" @default.
- W2902146880 creator A5019904523 @default.
- W2902146880 date "2007-01-01" @default.
- W2902146880 modified "2023-09-27" @default.
- W2902146880 title "Palladium-catalysed routes to the tricyclic core of the Stemona alkaloids" @default.
- W2902146880 hasPublicationYear "2007" @default.
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