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Ferrocenediphosphines, process for their preparation, transition metal complexes comprising them and use thereof in the preparation of organic compounds
Ferrocenediphosphines, process for their preparation, transition metal complexes comprising them and use thereof in the preparation of organic compounds
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机译:二茂铁膦,其制备方法,包含它们的过渡金属配合物及其在制备有机化合物中的用途
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摘要
Compounds of the formula I in the form of enantiomerically pure diastereomers or a mixture of diastereomers, (I), where the radicals R1 are identical or different and are each C1-C4-alkyl; m is 0 or an integer from 1 to 3; n is 0 or an integer from 1 to 4; R2 is a hydrocarbon radical or a C-bonded heterohydrocarbon radical; Cp is unsubstituted or C1-C4-alkyl-substituted cyclopentadienyl; Y is a C-bonded chiral group which directs metals of metallation reagents into the ortho position; and Phos is a P-bonded P(III) substituent. The compounds are chiral ligands for complexes of transition metals which are used as homogeneous catalysts in asymmetric syntheses.
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