[5]Helicenes by iterative radical cyclisations to arenes

被引:43
作者
Harrowven, DC [1 ]
Nunn, MIT
Fenwick, DR
机构
[1] Univ Southampton, Dept Chem, Southampton SO17 1BJ, Hants, England
[2] Pfizer Global Res & Dev, Discovery Chem, Sandwich CT13 9NJ, Kent, England
基金
英国工程与自然科学研究理事会;
关键词
helicenes; radicals and radical reactions; cyclisation; polycyclic aromatic compounds;
D O I
10.1016/S0040-4039(02)00506-3
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
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. (C) 2002 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:3189 / 3191
页数:3
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