Tetrahedron letters

Synthesis of the first tris (crown formazan)

AHM Elwahy, AA Abbas

Index: Elwahy, Ahmed H.M.; Abbas, Ashraf A. Tetrahedron Letters, 2006 , vol. 47, # 8 p. 1303 - 1306

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Citation Number: 9

Abstract

A synthesis of tris (crown formazan) from the corresponding hexakis ( acetamidophenoxymethyl) benzene by hydrolysis with an ethanolic solution containing hydrochloric acid followed by diazotization and subsequent coupling with cyanoacetic acid in pyridine containing CuSO4 is described.