Racemic metallocene complexes and their preparation

US5670683A · kind A · utility

Assignee

• BASF SE

Inventors

• Franz Langhauser · Bad Dürkheim, DE
• Jurgen Kerth · Eisenberg (Pfalz), DE
• Gunther Schweier · Osthofen, DE
• Hans-Herbert Brintzinger · Frauenfeld, CH
• Stefan Mansel · Konstanz, DE

Key dates

• Filing date: Mar 22, 1996
• Grant date: Sep 23, 1997
• Expiry date: Mar 22, 2016

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S526/943
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Cyclopentadineyl compounds of the formula II ##STR1## and formula III ##STR2## their preparation and their use as intermediates in the preparation of metallocene complexes of the formula I.