Australian Journal of Chemistry

Heterocyclic Synthesis With Azides. I. The Reaction of Hydrazoic Acid With Ethoxymethylenemalonate

A Donkor, RH Prager, MJ Thompson

Index: Donkor, Augustine; Prager, Rolf H.; Thompson, Malcolm J. Australian Journal of Chemistry, 1992 , vol. 45, # 10 p. 1571 - 1576

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Citation Number: 5

Abstract

Abstract Reaction of diethyl ethoxymethylenemalonate with sodium azide in trifluoroacetic acid at 20º gives ethyl 5-ethoxyisoxazole-4-carboxylate (67%), diethyl cyanomalonate (21%) and diethyl ethoxyaminomethylenemalonate (5%). The last compound and its tautomer are

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