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1,4-BIS-DIPHOSPHINES, 1,4-BIS-DIPHOSPHITES AND 1,4-BIS- DIPHOSPHONITES FROM OPTICALLY ACTIVE (Z)-OLEFINES AS CHIRAL LIGANDS
1,4-BIS-DIPHOSPHINES, 1,4-BIS-DIPHOSPHITES AND 1,4-BIS- DIPHOSPHONITES FROM OPTICALLY ACTIVE (Z)-OLEFINES AS CHIRAL LIGANDS
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机译:来自光学活性(Z)-烯烃的手性配体的1,4-双-双膦,1,4-双-双膦和1,4-双-双膦
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摘要
Chiral diphosphines, diphosphinites, diphosphites and diphosphonites derived from (Z)-2-butenes suitable to act as chiral ligands, complexes between said diphosphines, diphosphinites, diphosphites and diphosphonites and transition metals, and their utilization as chiral catalysts in stereocontrolled reactions, such as diastereo- and enantioselective reduction reactions, diastereo- and enantioselective hydroformylation reactions, diastereo- and enantioselective hydro cyanation reactions. Process for the preparation of said chiral diphosphines, diphosphinites, diphosphites and diphosphonites and process for the preparation of said complexes and for their utilization in stereocontrolled reactions.
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