BH3-promoted stereoselective β-lithiation of N-alkyl-2-phenylaziridines

BH₃-promoted stereoselective β-lithiation of N-alkyl-2-phenylaziridines

Azzena, Ugo Gavino and Dettori, Giovanna and Pisano, Luisa and Musio, Biagia and Luisi, Renzo (2011) BH₃-promoted stereoselective β-lithiation of N-alkyl-2-phenylaziridines. The Journal of Organic Chemistry, Vol. 76 (7), p. 2291-2295. eISSN 1520-6904. Article.

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DOI: 10.1021/jo102474u

Abstract

BH₃ complexes of N-alkyl-2-phenylaziridines have been synthesized and their structure and stereochemistry proved with DFT calculations and NMR experiments. It has been demonstrated that the Lewis acid complexation is able to promote a regioselective β-lithiation in 2-phenylaziridino−borane complexes. The lithiated intermediates were configurationally stable, allowing an enantioselective preparation of cis-2,3-disubstituted aziridines.

Item Type:	Article
ID Code:	5765
Status:	Published
Refereed:	Yes
Uncontrolled Keywords:	BH₃, aziridines, β-lithiation, aziridino−borane complexes, N-alkyl-2-phenylaziridines
Subjects:	Area 03 - Scienze chimiche > CHIM/06 Chimica organica
Divisions:	001 Università di Sassari > 01 Dipartimenti > Chimica
Publisher:	American Chemical Society
eISSN:	1520-6904
Deposited On:	10 May 2011 16:43

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