Tetrahedron p. 1609 - 1616 (1996)
Update date:2022-08-02
Topics:
Galvez, Nicanor
Moreno-Manas, Marcial
Sebastian, Rosa M.
Vallribera, Adelina
Dimethoxyethane is an useful solvent for the Schmidt reaction of ketones and β-ketoesters with sodium azide and methanesulfonic acid to afford amides and amidoesters. This solvent is an alternative to the unsafe chlorinated solvents normally used. A β-diketone and several (4S)-N-(2-alkylacetoacetyl)-4-benzyloxazolidin-2-ones afford oxazoles under those conditions.
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