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Synthesis 2009(10): 1623-1634
DOI: 10.1055/s-0028-1088043
DOI: 10.1055/s-0028-1088043
PAPER
© Georg Thieme Verlag
Stuttgart ˙ New York
First Synthesis of 5-Cyanosalicylates by Formal [3+3] Cyclocondensations of 1,3-Bis(silyloxy)-1,3-butadienes
Further Information
Received
28 November 2008
Publication Date:
25 March 2009 (online)
Publication History
Publication Date:
25 March 2009 (online)

Abstract
A variety of functionalized benzonitriles were regioselectively prepared by formal [3+3] cyclocondensation of 1,3-bis(silyloxy)-1,3-butadienes with 3-ethoxy- and 3-silyloxy-2-cyano-2-en-1-ones.
Key words
arenes - benzonitriles - cyclizations - regioselectivity - silyl enol ethers
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References
CCDC-716950 contain all crystallographic details of this publication and is available free of charge at: www.ccdc.cam.ac.uk/conts/retrieving.html or can be ordered from the following address: Cambridge Crystallographic Data Centre, 12 Union Road, Cambridge, CB2 1EZ, UK; Fax: +44(1223)336033, or deposit@ccdc.cam.ac.uk.