Cp_2ZrCl_2-i-BuMgBr试剂体系的研究——烯烃和炔烃的还原二聚反应和二烯烃的环化

Studies on Cp2ZrCl2-i-BuMgBr Reagent System——Reductive Dipolymerization of defines and Enynes, and Intramolecular Cyclization of Dienes

二氯二茂锆同异丁基格氏试剂以1:2摩尔比反应,于室温下生成有机锆中间体,后者同烯烃、炔烃或二烯反应,最后生成还原的二聚物或分子内环化产物。

Treatment of Cp2ZrCl2 with 2 equivalent of i-Br.MgBr Grignard reagent in THF at room temperature produces organo-zirconium species that react with alkenes, alkynes or diencs, ending up with reductive dimers or intramolecular cyclization products.