Journal
INORGANICA CHIMICA ACTA
Volume 358, Issue 14, Pages 4217-4228Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.ica.2005.03.029
Keywords
carbene complexes; acyl and imidoyl gold complexes; organometallic synthons; chloro(pentacarbonyl)tungstate; gold-gold interactions
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Reaction of [(CO)(5)WC(O)Ph]Li or [(CO)(5)WC(O)Ph]NBu4 with Ph3PAuCl affords acyl complexes of gold. In the latter conversion, both the crystalline products [(CO)(5)WCl]NBu4 (2) and Ph3PAuC(O)Ph (3) have been isolated and fully characterised. Similarly, imidoyl gold compounds (4-8) result from deprotonated aminocarbene complexes, [(CO)(5)MC(NR2)R-1]Li (M = Cr, W; R-1 = Ph, Me; R-2 = H, Me) and Ph3PAuCl. Crystal and molecular structure determinations of dinuclear [Ph3PAuC(NH)-Ph] center dot Cr(CO)(5) (6) show N-coordination of the chromium carbonyl unit that selectively affords a Z-isomer. (c) 2005 Elsevier B.V. All rights reserved.
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