Carbonyls isocyanides

This proton transfer reaction is not fast, and it is suggested that this may be a more complicated reaction than was anticipated, perhaps occurring by initial addition of OH or OR to the metal followed by H2O or ROH expulsion. In support of this is the isolation of a complex Os(CO)-(CNC6H4CH3)(PPh3)2(H)OR from an analogous reaction sequence. (This is the only reference yet to any osmium carbonyl-isocyanide chemistry.)... 

Cavell KJ, McGuinness DS (2007) Palladium complexes with carbonyl, isocyanide and carbene ligands. In Crabtree RH, Mingos DMP, Canty AJ (eds) Comprehensive organometallic chemistry 111. Elsevier, Amsterdam... 

Dixon, K. R. Dixon, A. C. Palladium Complexes with Carbonyl, Isocyanide and Carbene Ligands, In Comprehensive Organometallic Chemistry II A review of the literature 1982-1994 Puddephatt, R. J. Ed., Elsevier, 1995, Vol. 9, p 193. 

Only more recent investigations of organic isocyanide complexes of chromium are in this section, because general synthetic methods for metal isocyanide complexes, including mixed carbonyl isocyanides, and the nature of the metal-isocyanide bond are discussed in Sections... 

Molybdenum carbonyl-isocyanide complexes may be obtained as in Section 36.2.2.1.1. In most respects isocyanides behave in a very similar way to carbon monoxide, with which they are isoelectronic. As for the carbonyls, the isocyanide complexes may be regarded as derivatives of [Mo(CNR)6] and have been reviewed comprehensively.la,b... 

Dimeric and cluster compounds containing isocyanide ligands exhibit dynamic behavior in solution. The dimer Cp2Mo2(CO)5CNMe exists as a mixture of nonbridged isomers and permutamers which are rapidly inter-converted by unimolecular processes at RT. The isocyanide passes rapidly from one metal atom to the other via carbonyl or carbonyl-isocyanide doubly bridged species (205). 

Among the types of complexes found here are formyl, acyl, alkyl, and aryl carbonyls, carbonyl cyanides," " carbonyl isocyanides and acetylides," and thiocarbonyl and seleno-carbonyl complexes." Of the greatest significance, however, are the chromium carbenes, for example, (CO)sCr=C(OR)R". This chemistry has been thoroughly reviewed " nevertheless, these compounds will be briefly discussed here. 

Tungsten Complexes Containing Carbonyl, Isocyanide, and Cyanide Ligands Trmgsten Complexes Containing Hydrocarbon Ligands... 

The nucleophilic attack of HS on the mixed carbonyl isocyanide complex 301 (R =p-tolyl) takes place on the carbon of the isocyanide ligand and gives the r-bound / tolylisothiocyanate 302, whereas MeO attacks at... 

TUNGSTEN COMPLEXES CONTAINING CARBONYL, ISOCYANIDE, AND CYANIDE LIGANDS... 

The cluster [Pd3(/t3-CO)( /-dppm)3] + exhibits rich addition and oxidative addition reactivities. (Scheme 7) When isocyanide (xylyl isocyanide = 2,6,Me2C6H3NsC) reacts with [Pd3( 3-CO)( -dppm)3] + the substitution product [Pd3(/t3-CNXyl)(/t-dppm)3] + is obtained and a reversible reaction with a further equivalent gives [Pd3(//3-CNXyl)2( z-dppm)3] +. No mixed carbonyl-isocyanide clusters were observed even in the presence of excess Excess isocyanide leads... 

A variety of 17 -bound carbonyl, isocyanide and carbene ligands as well as bound unsaturated hydrocarbon ligands n = 2-6) were shown to undergo facile attack of nucleophiles, radicals, or electrophiles to form new ligand frameworks. 

C. M. Bastos, "Coupling Reactions of Alkylidyne Ligands with Carbonyl, Isocyanide, and Alkylidyne Ligands on Tungsten", Ph. D. Thesis. State University of New York at Stony Brook, 1991. 

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