Artículo
Regioselective formation of 2,5-disubstituted oxazoles via copper(I)-catalyzed cycloaddition of acyl azides and 1-alkynes
Autor/es | Cano Rico, Israel
Álvarez González, Eleuterio Nicasio Jaramillo, María del Carmen Pérez, Pedro J. |
Departamento | Universidad de Sevilla. Departamento de Química Inorgánica |
Fecha de publicación | 2011 |
Fecha de depósito | 2022-06-24 |
Resumen | The reaction of 1-alkynes with acyl azides in the presence of [Tpm *,BrCu(NCMe)]BF4 [Tpm*,Br = tris(3,5-dimethyl-4-bromopyrazolyl)methane] as the catalyst provides 2,5-oxazoles in moderate to high yields. This is a novel ... The reaction of 1-alkynes with acyl azides in the presence of [Tpm *,BrCu(NCMe)]BF4 [Tpm*,Br = tris(3,5-dimethyl-4-bromopyrazolyl)methane] as the catalyst provides 2,5-oxazoles in moderate to high yields. This is a novel transformation of the CuAAC type that constitutes a significant variation of the commonly observed [3 + 2] cycloaddition reaction to yield 1,2,3-triazoles. |
Agencias financiadoras | Ministerio de Educación y Cultura (MEC). España Junta de Andalucía |
Identificador del proyecto | CTQ2008-00042/BQU
CSD2006-003 P07-FQM-02745 |
Ficheros | Tamaño | Formato | Ver | Descripción |
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Regioselective Formation.pdf | 631.4Kb | [PDF] | Ver/ | |