Reactivity of ortho-substituted aryl-palladium complexes towards carbodiimides, isothiocyanates, nitriles, and cyanamides

Chemistry : a European Journal
José VicenteDelia Bautista

Abstract

Complexes [Pd(C(6)H(3)XH-2-R'-5)Y(N;N)] (X=O, NH; Y=Br, I; R'=H, NO(2); N;N=N,N,N',N'-tetramethylethylenediamine (tmeda), 2,2'-bipyridine (bpy), 4,4'-di-tert-butyl-2,2'-bipyridine (dtbbpy)) react with RN=C=E (E=NR, S) or RC identical withN (R=alkyl, aryl, NR''(2)) and TlOTf (OTf=CF(3)SO(3)) to give, respectively, 1) products of the insertion of the C=E group into the C--Pd bond, protonation of the N atom, and coordination of X to Pd, [Pd{kappa(2)-X,E-(XC(6)H(3){EC(NHR)}-2-R'-4)}(N;N)]OTf or [Pd(kappa(2)-X,N-{ZC(6)H(3)(NH=CR)-2-R'-4})(N;N)]OTf, or products of the coordination of carbodiimides and OH addition, [Pd{kappa(2)-C,N-(C(6)H(4){OC(NR)}NHR-2)}(bpy)]OTf; or 2) products of the insertion of the C identical withN group to Pd and N-protonation, [Pd(kappa(2)-X,N-{XC(6)H(3)(NH=CR)-2-R'-4})(N;N)]OTf.

References

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Citations

Dec 10, 2015·Dalton Transactions : an International Journal of Inorganic Chemistry·María-José Fernández-RodríguezPeter G Jones
Feb 22, 2013·Dalton Transactions : an International Journal of Inorganic Chemistry·Alexander M WillcocksAndrew J Kingsley
Mar 6, 2015·Chemical Reviews·Vadim P BoyarskiyVadim Yu Kukushkin

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