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PROCESS FOR PRODUCING ISOPROPYLIDENE BIS(CYCLOPENTADIENYL)ZIRCONIUM DICHLORIDE
PROCESS FOR PRODUCING ISOPROPYLIDENE BIS(CYCLOPENTADIENYL)ZIRCONIUM DICHLORIDE
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机译:制备异丙烯基双(环戊二烯基)二氯化锆的方法
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摘要
The present invention describes a process for preparing isopropylidene bis(cyclopentadienyl)zirconium dichloride comprising the steps of: (a) reacting acetone and cyclopentadiene in the presence of sodium methoxide or sodium ethoxide so as to form 2,2-dicyclopentadienylpropane; and (b) reacting said 2,2-dicyclopentadienylpropane with zirconium(IV) chloride in the presence of n-butyl lithium so as to form isopropylidene bis(cyclopentadienyl) zirconium dichloride.
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