Synthesis 2008(1): 149-154  
DOI: 10.1055/s-2007-983896
PSP
© Georg Thieme Verlag Stuttgart · New York

A Simplified Approach to N- and N,N′-Linked 1,2,4-Triazoles by Transamination

Anil D. Naika, Jacqueline Marchand-Brynaertb, Yann Garcia*a
a Unité de Chimie des Matériaux Inorganiques et Organiques, Département de Chimie, Faculté des Sciences, Université Catholique de Louvain, Place L. Pasteur 1, 1348 Louvain-la-Neuve, Belgium
b Unité de Chimie Organique et Médicinale, Département de Chimie, Faculté des Sciences, Université Catholique de Louvain, Place L. Pasteur 1, 1348 Louvain-la-Neuve, Belgium
Fax: +32(10)472330; e-Mail: garcia@chim.ucl.ac.be;
Further Information

Publication History

Received 15 March 2007
Publication Date:
11 September 2007 (online)

Abstract

A facile one-step procedure for the preparation of 4,4′-bis-1,2,4-triazole is reported. Direct transamination of N,N-dimethyl­formamide azine dihydrochloride by heating with 4-amino-1,2,4-triazole in refluxing benzene readily yields the target molecule in short duration of time with significant yield (73%). This catalyst-free method was extended to synthesise a series of 4-substituted 1,2,4-triazoles of potential interest in coordination chemistry.