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US 2010/0137623 A1Published application
Stable catalyst precursor of rh complex catalysts
AssigneeEvonik Oxeno GmbH
InventorsDetlef Selent, Armin Boerner, Klaus-Diether Wiese, Dieter Hess, Dirk Fridag
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Abstract
The present invention relates to the preparation and use of stable catalyst precursors of rhodium complex catalysts.
Claims21
A catalyst precursor comprising a rhodium complex represented by formula I
- where
- R1 to R6=H or a C1-C4-alkyl or C1-C4-alkoxy radical
- or
- R1, R2, R4 and R6=H or a C1-C4-alkyl or C1-C4-alkoxy radical and R3=R5=O, NR where R═H or C1-C4-alkyl, or (CH2)n where n=0-2.
1 more element
(canceled)
Dependencies are inferred from the claim text.