Chemistry of unsaturated arenetricarbonylchromium compounds 1. Reaction of (η6-arene)tricarbonylchromium complexes of nitrones with methyl phenylpropiolate
作者:N. Yu. Zarovkina、E. V. Sazonova、A. N. Artemov、G. K. Fukin
DOI:10.1007/s11172-014-0535-5
日期:2014.4
The reactions of nitrones of the composition (CO)3CrC6H5CH=N+(O−)R (R = Me, Ph, or But) with substituted acetylene were studied. The reactions proceed with high regioselectivity and give 4-isoxazolines (yields 50–60%). The composition and structures of these products were characterized by physicochemical methods. The reactions also afford (η6-benzaldehyde)tricarbonylchromium, coordinated Schiff bases