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Consecutive gold(I)-catalyzed cyclization reactions of o-(buta-1,3-diyn-1-yl-)-substituted N-aryl ureas: A one-pot synthesis of pyrimido[1,6- a ]indol-1(2 H)-ones and related systems

Sharp, Phillip; Banwell, Martin; Renner, Jens; Lohmann, Klaas; Willis, Anthony

Description

Treatment of readily available o-(buta-1,3-diyn-1-yl-)-substituted N-aryl ureas such as 1 with the Au(I)-catalyst 11 affords, via a twofold cyclization process, the isomeric pyrimido[1,6-a]indol-1(2H)-one 3 in good yield.

CollectionsANU Research Publications
Date published: 2013
Type: Journal article
URI: http://hdl.handle.net/1885/73068
Source: Organic Letters
DOI: 10.1021/ol4007986

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