The Journal of Organic Chemistry

Reaction of" activated" esters with amidoximes. Convenient synthesis of 1, 2, 4-oxadiazoles

JA Durden Jr, DL Heywood

Index: Durden,J.A.; Heywood,D.L. Journal of Organic Chemistry, 1971 , vol. 36, p. 1306 - 1307

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Citation Number: 3

Abstract

Method 1.-The preparation of AT-n-butylacetamide is a typical example of a preparation by method I. A mixture of 13.1 g of triphenylphosphine, 50 ml of CClr, and 150 ml of THF was refluxed together for 30 min. The solution was cooled in an ice-water bath to 5'and 2.85 ml of AcOH was added. The mixture was allowed to stand at 5" for 10 min. n-Butylamine (9.73 ml) was added, and the mixture was heated at reflux for 45 min. The reaction mixture was ...