Preparation of substituted indenes
The present invention relates to a simple process for preparing specifically substituted indenes of the formula (I) or (Ia) to compounds of the formula (II) serving as starting materials and to the use of the compounds of the formula (II) as starting materials for the synthesis of substituted indene...
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Format | Patent |
Language | English |
Published |
03.04.2007
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Abstract | The present invention relates to a simple process for preparing specifically substituted indenes of the formula (I) or (Ia) to compounds of the formula (II) serving as starting materials and to the use of the compounds of the formula (II) as starting materials for the synthesis of substituted indenes. |
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AbstractList | The present invention relates to a simple process for preparing specifically substituted indenes of the formula (I) or (Ia) to compounds of the formula (II) serving as starting materials and to the use of the compounds of the formula (II) as starting materials for the synthesis of substituted indenes. |
Author | Schottek, Jörg Schulte, Jörg Fisch, Lothar |
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References | Sullivan et al. (5789634) 19980800 (WO-98/40331) 19980900 Ellis, William W. et al., "Synthesis, Structure, and Properties of Chiral Titanium and Zirconium Complexes Bearing Biaryl Strapped Substituted Cyclopentadienyl Ligands", Organometallics 1993, vol. 12, pp. 4391-4401. Witte, Peter et al., "Synthesis of Unbridged Bis(2-R-indenyl)zirconocenes Containing Functional Groups and Investigations in Propylene Polymerization", Organometallics 1999, vol. 18, pp. 4147-4155. Beilstein Online, Registry No. 6314119, BE618638, XP002270402, 1994 and 1962, respectivley. Küber et al. (5770753) 19980600 Fukuoka et al. (5723640) 19980300 Holm, Torkil, "Thermochemical Bond Dissociation Energies of Carbon-Magnesium Bonds", J. Chem.Soc. Perkin Trans.2, 1981, pp. 464-467. Ikoma, Yoshiharu et al., "Non-ligated Nickel Chloride-Catalyzed Cross-Coupling of Aromatic Grignard Reagents with Aryl Halides", Synthesis 1990, pp. 147-148. |
References_xml | – year: 19980600 ident: 5770753 contributor: fullname: Küber et al. – year: 19980800 ident: 5789634 contributor: fullname: Sullivan et al. – year: 19980900 ident: WO-98/40331 – year: 19980300 ident: 5723640 contributor: fullname: Fukuoka et al. |
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Snippet | The present invention relates to a simple process for preparing specifically substituted indenes of the formula (I) or (Ia) to compounds of the formula (II)... |
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