Binuclear oxomolybdenum(V) chlorides:: Molecular structure of Mo2O4Cl2(DMF)4 and Mo2O4Cl2(biPY)2 • DMF

Reduction of MoO2Cl2(DMF)(2) (DMF = dimethylformamide) with PPh3 in mild conditions afforded the dinuclear species Mo2O3Cl4(DMF)(4). Related compounds could be prepared by substitution of DMF with stronger bases. While attempting to grow crystals of these compounds new complexes with the syn-[Mo2O4](2+) core were obtained. The molecular structures of Mo2O4Cl2(DMF)(4), and Mo2O4Cl2(bipy)(2) (bipy = 2,2'-bipyridine) have been established by X-ray diffraction analysis. (c) 2007 Elsevier Ltd. All rights reserved.