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Paper | Regular issue | Vol 38, No. 4, 1994, pp.793-802
Published online, 1st January, 1970
DOI: 10.3987/COM-93-6617
Selective Alkylations of 1,2,4-Triazole and Benzotriazole in the Absence of Solvent

David Abenhaïm, Enrique Díez-Barra,* Antonio de la Hoz, André Loupy, and Ana Sánchez-Migallón

*Facultad de Quimica, Universidad de Castilla-La Mancha, Campus Universitario, 13071 Ciudad Real, Spain


Alkylation of 1,2,4-triazole and benzotriazole has been performed either in basic media under solvent free phase transfer catalysis conditions or in the absence of base by conventional and microwave heating, Several parameters affecting the selectivity have been studied. In the case of triazole alkylation, microwave irradiation produces specific (non thermal) effects both on reactivity and selectivity.