The combination of organometallic {Mo(eta(3)-allyl)(CO)(2)(phen)} fragments and hard aquo and hydroxo ligands: Controlled synthesis and structural characterization

摘要

The reaction of [Mo(eta(3)-C3H4-Me-2)Cl(CO)(2)(phen)] with NaBAr4' (Ar' = 3,5-bis(trifluoromethyl)phenyl) and H2O allowed the isolation of the aquo complex [Mo(eta(3)-C3H4-Me-2)(OH2)-(CO)(2)(phen)]BAr4'.2Et(2)O (1). Deprotonation of 1 afforded a neutral monomeric hydroxo compound isolated as [{Mo(eta(3)-C3H4-Me-2)(OH)(CO)(2)(phen)}(2)(mu-H2O)] (2), which could be also obtained by reaction of [Mo(eta(3)-C3H4-Me-2)Cl(CO)(2)(phen)] with KOH in a biphasic CH2Cl2/H2O medium. The reaction of 1 and 2 afforded the binuclear hydroxo-bridged compound [{Mo(eta(3)-C3H4-Me-2)(CO)(2)(phen)}(2)(mu-OH)]BAr4' (3b) via nucleophilic substitution of water by the hydroxo ligand. [References: 38]