发明授权
- 专利标题: Preparation of chiral metallocene dihalides
- 专利标题(中): 手性茂金属二卤化物的制备
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申请号: US390062申请日: 1989-08-07
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公开(公告)号: US5004820A公开(公告)日: 1991-04-02
- 发明人: Stephen L. Buchwald , Robert B. Grossman
- 申请人: Stephen L. Buchwald , Robert B. Grossman
- 申请人地址: MA Cambridge
- 专利权人: Massachusetts Institute of Technology
- 当前专利权人: Massachusetts Institute of Technology
- 当前专利权人地址: MA Cambridge
- 主分类号: C07F17/00
- IPC分类号: C07F17/00 ; C08F4/6592 ; C08F10/00
摘要:
A process for preparing chiral metallocene dihalides as catalytic agents in improved yields by deprotonation of 1,2-bis(2,3-disubstituted cyclopentadienyl)ethane followed by condensation with hafnium tetrachloride or zirconium tetrachloride.
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