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5 Helicenes by iterative radical cyclisations to arenes

Harrowven, D. C., Nunn, M. I. T. and Fenwick, D. R. (2002) 5 Helicenes by iterative radical cyclisations to arenes Tetrahedron Letters, 43, (17), pp. 3189-3191. (doi:10.1016/S0040-4039(02)00506-3).

Record type: Article


The paper describes a synthesis of 1,2,3,12,13,14-hexamethoxy[5]helicene 1. The synthesis features two sp(2)-sp(2) bond forming reactions, each involving a 6-exo/endo-trig cyclisation of an aryl radical intermediate to an arene.

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Published date: 22 April 2002
Keywords: helicenes, radicals and radical reactions, cyclisation, polycyclic aromatic compoundsipso substitution-reactions, aryl migration, biaryls, carbon, cyclization, toddaquinoline, silicon, tin, methylenecycloalkanes, regiochemistry


Local EPrints ID: 19760
ISSN: 0040-4039
PURE UUID: a92a25dd-146d-41de-a227-b88521506036

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Date deposited: 17 Feb 2006
Last modified: 17 Jul 2017 16:30

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Author: D. C. Harrowven
Author: M. I. T. Nunn
Author: D. R. Fenwick

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