Zr(DS)4 as an Efficient Catalyst for the Aminolysis of Epoxides in Water

Simona Bonollo; Francesco Fringuelli; Ferdinando Pizzo; Luigi Vaccaro

doi:10.1055/s-2007-991075

LETTER

Zr(DS)₄ as an Efficient Catalyst for the Aminolysis of Epoxides in Water

Simona Bonollo, Francesco Fringuelli*, Ferdinando Pizzo, Luigi Vaccaro*
Dipartimento di Chimica, Università di Perugia, Via Elce di Sotto 8, 06123 Perugia, Italia
Fax: +39(075)5855560; e-Mail: luigi@unipg.it;

Abstract

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Abstract

Zirconium dodecyl sulfate [Zr(DS)₄] is an efficient catalyst for the aminolysis of epoxides in water at pH 5.0. Epoxides and anilines were used and the corresponding β-amino alcohols were isolated in generally high regioselectivity and excellent yields.

Key words

aqueous medium - aminolysis - epoxides - Zr(DS)₄ - LASC - surfactants

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References and Notes

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The pH value reported is that measured in the clear aqueous layer completely separated from the organic one. A pH meter equipped with a combined refillable pH electrode and with an autocompensating temperature control (ATC) probe was used.