Phosphorus stabilized carbene complexes: bisphosphonate dianion synthesis, reactivity and DFT studies of O~C~O zirconium(IV) complexes.

Abstract

The reactivity of the geminal dianion of tetraisopropyl methylenediphosphonate, 3, with [ZrCl4(THF)2] affords a trinuclear structure 5 in which an unprecedented triscarbene-Zr dianionic fragment is found. The overall trinuclear arrangement is assembled by PO bridging moieties. The X-ray crystal structure of 5 is presented. The reaction of complex 5 with… (More)
DOI: 10.1039/b915468j

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