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A Pd[0]-catalyzed Ullmann cross-coupling/reductive cyclization approach to C-3 mono-alkylated oxindoles and related compounds

Banwell, Martin; Jones, Matthew; Loong, David; Lupton, David; Pinkerton, David; Ray, Jayanta K; Willis, Anthony


The Pd[0]-catalyzed Ullmann cross-coupling of o-nitrohaloarenes 1a-e with the brominated heterocycles 2a-f delivers the expected products 3a-j in good to excellent yields. The reductive cyclization of such products, as well as N-acyl derivatives 3k, l, and m, has been investigated and provided the C-3 mono-substituted oxindoles 5a-d, f, g, k, and m, the direct reduction products 4i and j or indole 5l.

CollectionsANU Research Publications
Date published: 2010
Type: Journal article
Source: Tetrahedron
DOI: 10.1016/j.tet.2010.09.042


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02_Banwell_A_Pd[0]-catalyzed_Ullmann_2010.pdf366.47 kBAdobe PDF    Request a copy

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