Synthesis and crystal structures of triruthenium clusters containing phosphinidene ligands

Received: September 02, 2019; accepted: November 12, 2019

Abstract

The manipulation of trinuclear ruthenium clusters [Ru₃(CO)₉(μ-H)₂(μ₃-PMes)] (1) with PH₂Ph, in refluxing hexane, produces [Ru₃(CO)₈(PH₂Ph)(μ-H)₂(μ₃-PMes)] (2) where PH₂Ph coordinates as a terminal ligand. Cluster 2 gets converted to [Ru₃ (CO)₉(μ₃-PMes)(μ₃-PPh)] (3) when heated in a toluene solution in the presence of CO. This study provides the solutions of the X-ray structures for clusters 2 and 3.