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Production of alkali metal cyclopentadienylide and production of dihalobis (amp;eegr;-substituted-cyclopentadienyl) zirconium from alkali metal cyclopentadienylide
Production of alkali metal cyclopentadienylide and production of dihalobis (amp;eegr;-substituted-cyclopentadienyl) zirconium from alkali metal cyclopentadienylide
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机译：由碱金属环戊二烯基化物生产碱金属环戊二烯基化物和二卤代双（＆-取代的环戊二烯基）锆
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摘要
A process for producing an alkali metal cyclopentadienylide is disclosed which comprises reacting in a solvent an alkali metal hydride with a disubstituted or trisubstituted 1,3-cyclopentadiene. Further, a process for producing a dihalobis(&eegr;-substituted- cyclopentadienyl) zirconium is disclosed which comprises reacting a zirconium halide with the above alkali metal cyclopentadienylide. The former process enables performing the reaction between the disubstituted or trisubstituted 1,3- cyclopentadiene and the alkali metal hydride at an easily controllable temperature of room temperature to about 150° C. and also enables obtaining the alkali metal cyclopentadienylide in high yield. The latter process enables obtaining the dihalobis(&eegr;- substituted- cyclopentadienyl)zirconium in high yield.
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