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ChemicalBook CAS DataBase List 3,5-DIMETHYL-4-ISOXAZOLECARBOXAMIDE
74356-30-2

3,5-DIMETHYL-4-ISOXAZOLECARBOXAMIDE synthesis

2synthesis methods
-

Yield:74356-30-2 98%

Reaction Conditions:

Stage #1: 4-bromo-3,5-dimethyl-1,2-oxazolewith diisobutylaluminium hydride;magnesium;lithium chloride;zinc(II) chloride in tetrahydrofuran at 23;Inert atmosphere;
Stage #2: Trichloroacetyl isocyanate in tetrahydrofuran at -20 - 25;Inert atmosphere;
Stage #3: with methanol;potassium carbonate in tetrahydrofuran at 25; for 12 h;Inert atmosphere;

References:

Schade, Matthias A.;Manolikakes, Georg;Knochel, Paul [Organic Letters,2010,vol. 12,# 16,p. 3648 - 3650] Location in patent:supporting information; experimental part

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