Journal of the Chemical Society, Dalton Transactions p. 3771 - 3778 (1996)
Update date:2022-08-04
Topics:
Danopoulos, Andreas A.
Wilkinson, Geoffrey
Sweet, Tracy K. N.
Hursthouse, Michael B.
Interactions of the known compounds Ir(η-C5Me5)(NR) (R = But 1a or 2,6-Pri2C6H3 1b) with 2,6-xylyl isocyanide [(xyl)NC], mesityl isocyanate and mesityl azide (mesityl = mes = C6H2Me3-2,4,6) have been studied. The bridged dimers [Ir(η-C5Me5)(μ-NC5H9)] 2 2 and [Ir2(η-C5Me5)2(μ-NC 6H11)(μ-NHC6H11)]Cl 3 have been synthesized. Reactions of Ru(NR′)(MeC6H4Pri-p) (R′ = 2,4,6-But3C6H2) with (mes)NCO and (mes)N3 are reported. Attempts to isolate Rh(ηC5Me5)(NR) species failed but evidence for Rh(η-C5Me5)-[N(2,6-Pri2C 6H3)N3(mes)] was obtained in a trapping reaction in solution using (mes)N3. The crystal structures of the compounds Ir(η-C5Me5)(η2-ButNCNBu t)(CNBut), [Ir(η-C5H5)(μ-NC5H9X] 2 2, 3, [Ir2(η-C5Me5)(μ-NC6H 11)(μ-NHC6H11)]Cl 3, Ir(η-C5Me5)[N(xyl)CHN(2,6-Pri 2C6H3)CNC6H3(Me)CH 2] 4b, Ir(η-C5Me5)[N(2,6-Pri2C 6H3)C(O)N(mes)] 5, Ir(η-C5Me5)[N(2,6-Pri2C 6H3)N3(mes)] 6, Ru[N(2,4,6-But3C6H 2)C(O)N(mes)](MeC6H4Pri-p)) 8 and Ru[N(2,4,6-But3C6H2)N 3(mes)](MeC6H4Pri-p) 9 have been determined. A reaction mechanism for the formation of 4b is given.
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