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5 helicenes by tandem radical cyclisation

Harrowven, D. C., Nunn, M. I. T. and Fenwick, D. R. (2002) 5 helicenes by tandem radical cyclisation Tetrahedron Letters, 43, (41), pp. 7345-7347. (doi:10.1016/S0040-4039(02)01720-3).

Record type: Article


A new and rapid approach to [5]helicenes is described. A central feature is the use of a sequential, non-reducing radical cyclisation reaction of (Z,Z)-1,4-bis(2-iodostyryl)benzene derivatives, viz. 3-->1, mediated by tributyltin hydride.

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Published date: 7 October 2002
Keywords: photochemical-synthesis, condensed thiophenes, carbenoid couplings, anion radicals, toddaquinoline, photocyclization, hexahelicenes, catalysis, helicenes, additions


Local EPrints ID: 19758
ISSN: 0040-4039
PURE UUID: 87a47b07-7ba2-4339-afa1-5b2aaf4c29d5

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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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