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Isolation, X-ray Crystal Structure, and Reactivity of a New C−H Carbene Complex of (5,10,15,20-Tetraphenylporphyrinato)ruthenium(II)

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journal contribution
posted on 14.07.2008, 00:00 by Paul Le Maux, Thierry Roisnel, Irène Nicolas, Gérard Simonneaux
The new (porphyrin)ruthenium(II) carbene complex 1 has been prepared by treating (TPP)Ru(CO)(EtOH) with excess 2,6-di-tert-butyl-4-methylphenyl diazoacetate and characterized by X-ray crystal structure analysis due to a kinetic stability. The reactivity of 1 toward axial ligands (CO, pyridine, dimethylphenylphosphine) and the asymmetric cyclopropanation of styrene with this bulky diazoacetate ester catalyzed by ruthenium Halterman porphyrin are also presented.