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Abstract

The invention relates to: a) phosphoramidites of formula (I), wherein Q is selected from substituted or unsubstituted 1,1′-biphenyl groups, R¹ stands for hydrogen, and R² stands for C₁-C₁₀ alkyl groups, substituted or unsubstituted C₄-C₆ cycloalkyl groups, or phenyl groups and wherein R² is not a tertiary butyl group; b) transition-metal-containing compounds of the formula Me(acac)(CO)L, wherein Me=transition metal and L of the general formula (II): wherein Q is selected from substituted or unsubstituted 1,1′-biphenyl groups, R¹ stands for hydrogen, R² stands for C₁-C₁₀ alkyl groups, substituted or unsubstituted C₄-C₆ cycloalkyl groups, or phenyl groups, and R² is not a tertiary butyl group and wherein the transition metal Me is selected from ruthenium, cobalt, rhodium, and iridium; c) catalytically active compositions in the hydroformylation, which comprise the compounds mentioned under a) and b); d) method for the hydroformylation of unsaturated compounds by using the catalytically active composition mentioned under c), and e) multi-phase reaction mixture, containing unsaturated compounds, gas mixture, which comprises carbon monoxide and hydrogen, aldehydes, and the catalytically active composition described under c).

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First Claim