Enhanced synthesis of racemic metallocenes
US5556997A · kind A · utility
15Cited by
7References
14Claims
0Family size
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Inventors
Key dates
| Filing date | Apr 24, 1995 |
| Grant date | Sep 17, 1996 |
| Priority date | — |
| Expiry date | Apr 24, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S526/943
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Chiral metallocenes are prepared by reacting a salt of an asymmetric bis(cyclopentadienyl) moiety containing ligand with a chelate diamine adduct of a transition, lanthanide, or actinide metal halide in an organic solvent medium so as to produce said chiral metallocene.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.