+++Tetrahedron Letters

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Помогите, пожалуйста найти статьи:
1.Mild copper-catalyzed N-arylation of azaheterocycles with aryl halides, Mark Kuila, E. Koen Bekedamb, Gerben M. Visserb, Adri van den Hoogenbandc, Jan Willem Terpstrac, Paul C.J. Kamera, Tetrahedron Letters, Volume 46, Issue 14, 4 April 2005, Pages 2405-2409

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dx.doi.org/10.1016/j.tetlet.2005.02.074

2.N-Arylation of azaindoles in LiCl-mediated catalytic CuI reactions, Chang Sung Honga, Jae Young Seoa and Eul Kgun Yum, Tetrahedron Letters, Volume 48, Issue 28, 9 July 2007, Pages 4831-4833

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dx.doi.org/10.1016/j.tetlet.2007.05.062

3.Benzotriazole: an excellent ligand for Cu-catalyzed N-arylation of imidazoles with aryl and heteroaryl halides, Akhilesh Kumar Verma, Jaspal Singha, V. Kasi Sankara, Ritu Chaudharya and Ramesh Chandra, Tetrahedron Letters
Volume 48, Issue 24, 11 June 2007, Pages 4207-4210

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dx.doi.org/10.1016/j.tetlet.2007.04.061

Заранее большое спасибо!

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