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DOI: 10.1039/A905487A (Paper) Reference Section for: Chem. Commun., 1999, 1959-1960

Fixation and spontaneous dehydrogenation of methanol on a triruthenium–iridium framework: synthesis and structure of the cluster anion [HRu3Ir(CO)12(OMe)]–

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Susanne Haak, Antonia Neels, Helen Stœckli-Evans, Georg Süss-Fink and Christophe M. Thomas

Abstract

The anionic mixed-metal cluster [Ru3Ir(CO)13]– 1, found to be catalytically active in the carbonylation of methanol, reacts with methanol at 70 °C to give, with O–H activation of the substrate, the cluster anion [HRu3Ir(CO)12(OMe)]– 2, which upon prolonged reaction loses formaldehyde to give the cluster anion [H2Ru3Ir(CO)12]– 3; both anions 2 and 3 crystallise together as the double-salt [N(PPh3)2]2[HRu3Ir(CO)12(OMe)][H2Ru3Ir(CO)12] the single-crystal X-ray structure analysis of which reveals a butterfly Ru3Ir skeleton for 2 and a tetrahedral Ru3Ir skeleton for 3.

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