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Synthetic Approach to Dehaloperophoramidine via a Samarium Mediated Reductive Dialkylation

Marine ascidian metabolite perophoramidine has since its isolation in 2002 attracted the interest of several research groups. The complex polycyclic structure with vicinal quaternary carbon stereocenters and two amidine functionalities constitutes a formidable synthetic challenge. In this project a new synthetic approach to dehalogenated perophoramidine has been investigated. The vicinal quaternary carbon stereocenters were introduced via a samarium mediated reductive dialkylation, in which the stereochemistry was determined by the metal chelate that formed, as outlined below. Several of the steps suggested in the synthetic approach have been successfully evaluated. Future work is needed to assess the remaining steps of the suggested route to dehalogenated perophoramidine.

Identiferoai:union.ndltd.org:UPSALLA1/oai:DiVA.org:kth-156317
Date January 2012
CreatorsIsaksson, Rebecka
PublisherKTH, Skolan för kemivetenskap (CHE)
Source SetsDiVA Archive at Upsalla University
LanguageEnglish
Detected LanguageEnglish
TypeStudent thesis, info:eu-repo/semantics/bachelorThesis, text
Formatapplication/pdf
Rightsinfo:eu-repo/semantics/openAccess

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