SYNTHESIS AND CHARACTERIZATION OF LATHANIDE R-(+)-AND S-(-)-α-METHOXY-α-(TRIFLUOROMETHYL) PHENYLACETATES (MTPA)

O Cussigh Institute de Quimica, Universidade de São Paulo, C.P. 26077, CEP 05599-970, São Paulo, SP, Brazil

A. O. Silva Departamento de Quimica da, Universidade Federal do Rio Grande do Norte, C.P. 1661, CEP 59072-970, Natal, RN, Brazil

K. Zinner Departamento de Quimica da, Universidade Federal do Rio Grande do Norte, C.P. 1661, CEP 59072-970, Natal, RN, Brazil

P. C. Isolani Institute de Quimica, Universidade de São Paulo, C.P. 26077, CEP 05599-970, São Paulo, SP, Brazil

L. B. Zinner Institute de Quimica, Universidade de São Paulo, C.P. 26077, CEP 05599-970, São Paulo, SP, Brazil

G. Vicentini Institute de Quimica, Universidade de São Paulo, C.P. 26077, CEP 05599-970, São Paulo, SP, Brazil

Abstract

The lanthanide salts with MTPA were obtained by reaction of the acid with the respective basic carbonates. The compounds with composition {Ln[R-(+)-MTPA]₃OH}⁻H₃O⁺ and {Ln[S-(-)-MTPA]₃OH}⁻H₃O⁺ (Ln = Eu, Nd, Tb) were characterized by microanalysis, IR spectra, ¹H NMR spectroscopy, absorption spectra of the neodymium salts, emission spectra of the europium and terbium compounds and TG analysis. Circularly polarized luminescence was observed in the Eu salts.

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SYNTHESIS AND CHARACTERIZATION OF LATHANIDE R-(+)-AND S-(-)-α-METHOXY-α-(TRIFLUOROMETHYL) PHENYLACETATES (MTPA)

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SYNTHESIS AND CHARACTERIZATION OF LATHANIDE R-(+)-AND S-(-)-α-METHOXY-α-(TRIFLUOROMETHYL) PHENYLACETATES (MTPA)

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