F. Basuli, H. Aneetha, J. Huffman
Dec 2, 2005
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Journal
Journal of the American Chemical Society
Abstract
A rare fluorobenzene adduct of group 4, [(nacnac)TiNAr(FC6H5)][B(C6F5)4] (nacnac- = [ArNC(tBu)]2CH, Ar = 2,6-iPr2C6H3), has been isolated and structurally characterized. This highly electron-deficient system engages readily in imine metathesis and catalyzes carboamination reactions involving diphenylacetylene and aldimines to afford α,β-unsaturated imines as well as triaryl-substituted quinolines. The latter product results from cyclization of the corresponding electron-rich α,β-unsaturated imine.