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Content archived on 2024-06-16

Efficent synthesis of hemibrevetoxin B by deployment of new strategies for polyether construction

Objective

The proposed programme of research concerns the implementation of linear and two-directional strategies for the rapid total synthesis of the marine polyether natural product hemibrevetoxin B using novel ring-closing metathesis (RCM) methodology. Both of these approaches will employ catalytic RCM reactions of enol ethers, allylic ethers and alkynyl ethers that have been developed in the Clark Research Group in order to construct the cyclic ethers that are embedded in the fused tetracyclic structure of hemibrevetoxin B. A total synthesis of hemibrevetoxin B with a longest linear sequence of less than 30 steps from readily available starting materials should be achievable using the strategies outlined in the proposal. Hemibrevetoxin B is the smallest of the laddered polyether natural products but the strategies developed for the synthesis of this compound should be directly applicable to the synthesis of the larger bioactive members of this family of natural products such as the ciguatioxins and gambieric acids.

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Keywords

Topic(s)

Call for proposal

FP6-2005-MOBILITY-5
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Funding Scheme

EIF - Marie Curie actions-Intra-European Fellowships

Coordinator

UNIVERSITY OF GLASGOW
EU contribution
No data
Total cost
No data