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Vanadiumv(salen) catalysed synthesis of oxazolidinones from epoxides and isocyanates

Lookup NU author(s): Christopher Beattie, Professor Michael North

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Abstract

The combination of a vanadium(V)(salen) complex V+O(salen) EtOSO3- and tetrabutylammonium bromide forms a highly active catalyst system for the reaction between epoxides and isocyanates leading to oxazolidinones. The reaction conditions were optimized and the optimal conditions (80 degrees C in toluene for 5 hours with 2 mol% of vanadium catalyst and 2 mol% of tetrabutylammonium bromide cocatalyst) applied to eight epoxides and six aromatic isocyanates, giving 18 oxazolidinones with conversions of 34-98% and isolated chemical yields of the major regioisomer of 23-89%.

Publication metadata

Author(s): Beattie C; North M

Publication type: Article

Publication status: Published

Journal: RSC Advances

Year: 2014

Volume: 4

Issue: 59

Pages: 31345-31352

Print publication date: 04/07/2014

Online publication date: 04/07/2014

Acceptance date: 04/07/2014

ISSN (electronic): 2046-2069

Publisher: Royal Society of Chemistry

URL: http://dx.doi.org/10.1039/c4ra04427d

DOI: 10.1039/c4ra04427d

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