Journal
TETRAHEDRON LETTERS
Volume 56, Issue 46, Pages 6335-6339Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2015.09.106
Keywords
CuAAC; Click-chemistry; Ligands; Poly(oximinoalkyl)amines
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Funding
- Russian Science Foundation [14-50-00126]
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Oximinoalkylamines were found to be efficient ligands for acceleration of the CuAAC reaction. 'Mixed' oxime-triazole ligands Tz(beta)Ox(2) and Tz(2)(beta)Ox(2) demonstrate an approximately 10-fold enhanced acceleration effect compared to commonly employed ligand TBTA using 0.1 mol % of the [Cu]/L catalytic system. The optimal catalytic system based on readily available Tz(beta)Ox(2) provided 1,4-disubstituted triazoles in high yields with short reaction times. (C) 2015 Elsevier Ltd. All rights reserved.
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