Tetrahedron Letters p. 3189 - 3191 (2002)
Update date:2022-07-29
Topics:
Harrowven, David C
Nunn, Michael I.T
Fenwick, David R
The paper describes a synthesis of 1,2,3,12,13,14-hexamethoxy[5]helicene 1. The synthesis features two sp2-sp2 bond forming reactions, each involving a 6-exo/endo-trig cyclisation of an aryl radical intermediate to an arene.
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