Article

 

Synthesis of Nitrogen–, Oxygen– and Sulphur–containing Tripodal Ligands with a Trimethylbenzene Core

 

Heraclio López–Ruiz,¹* Mayra Cortés–Hernández,¹ Susana Rojas–Lima,¹ and Herbert Höpfl²

 

¹ Área Académica de Química, Universidad Autónoma del Estado de Hidalgo, Carretera Pachuca–Tulancingo Km. 4.5, Ciudad Universitaria, C.P. 42184 Mineral de la Reforma, Hidalgo, México. *heraclio@uaeh.edu.mx

² Centro de Investigaciones Químicas, Universidad Autónoma del Estado de Morelos, Avenida Universidad 1001, C.P. 62209 Cuernavaca, Morelos, México.

 

Received September 24, 2010.
Accepted March 31, 2011.

 

Abstract

Synthetic procedures for the preparation of various nitrogen–, oxygen– and sulphur–containing tripodal ligands having a 1,3,5–trimethylbenzene core are reported.

Keywords: 1,3,5–tris(bromomethyl)benzene, ethyl–xanthate, tris–thiol, tripodal ligands, Michael additions, ligand design.

 

Resumen

Se describe la preparación de diferentes ligantes tripodales que contienen átomos de nitrógeno, oxígeno y azufre, así como la plataforma 1,3,5–trimetilbenceno.

Palabras clave: 1,3,5–tris(bromometil)benceno, etilxantato, tris–tiol, ligandos tripodales, adiciones de Michael, diseño de ligantes.

 

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Acknowledgments

We are indebted to Conacyt, for financial support via grants J49336–Q and 84453. We are indebted to Prof. Joseph M. Muchowski for many friendly discussions.

 

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