Issue 5, 2005
From the journal:

Chemical Communications

Efficient asymmetric synthesis of [7]helicene bisquinones†‡

M. Carmen Carreño,*a   Marcos González-Lópeza  and  Antonio Urbano*a  

* Corresponding authors

a Departamento de Química Orgánica (C-I), Universidad Autónoma de Madrid, Cantoblanco, 28049-Madrid, Spain
E-mail: carmen.carrenno@uam.es, antonio.urbano@uam.es

Abstract

The efficient one-pot six-step domino process which occurs when (SS)-2-(p-tolylsulfinyl)-1,4-benzoquinone (1) reacts with 3,6-divinyl-1,2,7,8-tetrahydrophenanthrenes 2a–c allowed enantioselective access to [7]helicene bisquinones 3a–c with excellent optical purities (96 to > 99% ee).

Graphical abstract: Efficient asymmetric synthesis of [7]helicene bisquinones

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Article information

DOI
https://doi.org/10.1039/B413879A
Article type
Communication
Submitted
10 Sep 2004
Accepted
01 Nov 2004
First published
10 Dec 2004

Chem. Commun., 2005, 611-613

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Efficient asymmetric synthesis of [7]helicene bisquinones

M. C. Carreño, M. González-López and A. Urbano, Chem. Commun., 2005, 611 DOI: 10.1039/B413879A

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