| 发明名称 |
Preparation of chiral metallocene dihalides |
| 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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| 申请公布号 |
US5004820(A) |
申请公布日期 |
1991.04.02 |
| 申请号 |
US19890390062 |
申请日期 |
1989.08.07 |
| 申请人 |
MASSACHUSETTS INSTITUTE OF TECHNOLOGY |
发明人 |
BUCHWALD, STEPHEN L.;GROSSMAN, ROBERT B. |
| 分类号 |
C07F17/00;C08F4/6592;C08F10/00 |
主分类号 |
C07F17/00 |
| 代理机构 |
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