PREPARATION AND PROPERTIES OF (ETA-C5H5)2ZRCL[SI(CH3)3] AND (ETA-C5H5)2ZR[SI(CH3)3]2 - TRIMETHYLSILYL GROUP TRANSFER FROM MERCURY TO ZIRCONIUM
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abstract
Two silyl-zirconium compounds (-C5H5)2ZrCl[Si(CH3)3] (I) and (-C5H5)2-Zr[Si(CH3)3]2 (II), have been prepared by the reaction of (-C5H5)2ZrCl2 with Hg[Si(CH3)3]2 in refluxing benzene. While I is unreactive toward 1-hexyne (55-60C) and CO (350 psi), the zirconiumsilicon bond is cleaved by electrophiles such as Cl2, HgCl2, and AlCl3. 1980.