Abstract
The new terminal phosphinidene complex [Cp 2ZrPDmp(PMe 3)] (Dmp=2,6-Mes 2C 6H 3; 1) was prepared in 81% yield by the reaction of [Li(Et 2O)][P(H)Dmp] with [Cp 2Zr(Me)Cl] in the presence of excess PMe 3. Compound 1 reacts with Ph 2PCl to produce selectively the sterically congested triphosphane DmpP(PPh 2) 2 ( 2) and [Cp 2ZrCl 2] in high yields. The structure of 2 obtained by X-ray diffraction analysis of a single crystal reveals phosphorus–phosphorus bond lengths of 2.251(2) and 2.234(2) Å and a PPP bond angle of 105.46(6)°.
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