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Efficient one-pot synthesis of 1-alkoxy-2-arylaminoimidazolines from N-alkoxy-N-(2-aminoethyl)-2-nitrobenzenesulfonamides and arylisothiocyanates

AuthorsMascaraque, Ainhoa ; Nieto, Lidia ; Dardonville, Christophe
Issue Date2008
CitationTetrahedron Letters 49: 4571- 4574 (2008)
AbstractA new synthetic approach towards 1-alkoxy-2-aminoimidazolines that uses N-alkoxy-N-(2-aminoethyl)-2-nitrobenzenesulfonamides as nucleophile reagents for the reaction with isothiocyanates is reported. Hence, the synthesis of 1-alkoxy-2-aminoimidazolines was performed in high yield with a one-pot procedure involving thiourea formation, nosyl group removal and spontaneous cyclization (42-77% overall yield).
Publisher version (URL)http://dx.doi.org/10.1016/j.tetlet.2008.05.098
Identifiersdoi: 10.1016/j.tetlet.2008.05.098
issn: 0040-4039
Appears in Collections:(IQM) Artículos
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