Process for the preparation of hetaryloxyacetamides

Details Process for the preparation of hetaryloxyacetamides Process for the preparation of hetaryloxyacetamides

C - Chemistry, Metallurgy

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C07D 277/34 (2006.01) C07D 257/04 (2006.01) C07D 263/38 (2006.01) C07D 263/58 (2006.01) C07D 271/07 (2006.01) C07D 271/113 (2006.01) C07D 277/68 (2006.01) C07D 285/08 (2006.01) C07D 285/13 (2006.01) C07D 417/12 (2006.01)

Patent

CA 1178962

Abstract A process for the preparation of a hetaryloxyacetanide of the formula. Image in which R? is an optionally substituted oxazola, thiazole or tetrazole radical, comprising reacting a hydroxyzcetamide of the formula Image with a halogeno-hetarene of the formula R?-Hal in which Hal represents a fluorine, chlorine, bromine or iodine atom. in the presence of a solid, anhydrous potassium hydroxide and in the presence of an aprotic diluent at a temperature bet- ween about -50 and +50°C.

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