| abstract |
The present invention relates to asymmetric bisphosphites of the general formula (1), to a process for its preparation and to its reaction with metals to form a mixture containing asymmetric bisphosphites and complex compounds of metals and to catalytically Active composition, wherein the hydroformylation active composition comprises, in addition to the metal complex compound and the asymmetric bisphosphite, a non-conjugated bisphosphite and one or more additional components. ≪ Formula 1 > |