Deactivation of a [PPN][Rh(CO)4]-based catalytic system [PPN+ = (PPh3)2N+]. The first decomposition reaction of PPN+ and the formation of [Rh10P(CO)22]3−Electronic supplementary information (ESI) available: Table 1: selected bond lengths (Å) for [PPN][Rh10P(CO)22]. See http://www.rsc.org/suppdata/cc/b0/b006135m/

Abstract

Decomposition of [PPN][Rh(CO)₄] [PPN⁺ = (PPh₃)₂N⁺] at 200 °C under CO pressure affords [Rh₁₀P(CO)₂₂]³⁻, featuring the first decomposition reaction of PPN⁺ and explaining the reason for the deactivation of [PPN][Rh(CO)₄]-based catalytic systems.