7Li,31P Shift correlation. Application to the structural assignment of benzyllithium complexes of N-methyl-N-benzylphosphinamide

Ignacio Fernández; Fernando López Ortiz

doi:10.1039/B400994K

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⁷Li,³¹P Shift correlation. Application to the structural assignment of benzyllithium complexes of N-methyl-N-benzylphosphinamide†

Ignacio Fernández^a and Fernando López Ortiz*^a

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* Corresponding authors

^a Área de Química Orgánica, Universidad de Almería, Carretera de Sacramento, 04120 Almería, Spain
E-mail: flortiz@ual.es
Fax: +34 950 015481
Tel: +34 950 015478

Abstract

A correlation experiment between ⁷Li and ³¹P nuclei through scalar coupling is described for the first time. The utility of the method is demonstrated by identifying the species formed in the benzylic lithiation of N-benzyl-N-methyldiphenylphosphinamide in Et₂O solution.

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Supplementary files

General NMR data, ¹H, ³¹P HMQC NMR rows for the three major signals I, II, III at -105 ?C in Et ₂O- d₁₀, monomer–dimer equilibrium evaluation of Li ⁺1 ^-, ¹³C{ ¹H, ³¹P} NMR spectrum and expansion of the lithiated carbon region at -105 ?C DOC (597K)

Article information

DOI: https://doi.org/10.1039/B400994K
Article type: Communication
Submitted: 22 Jan 2004
Accepted: 02 Mar 2004
First published: 24 Mar 2004

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Chem. Commun., 2004, 1142-1143

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⁷Li,³¹P Shift correlation. Application to the structural assignment of benzyllithium complexes of N-methyl-N-benzylphosphinamide

I. Fernández and F. López Ortiz, Chem. Commun., 2004, 1142 DOI: 10.1039/B400994K

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