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CHIRAL DIPHOSPHONITES AS LIGANDS IN THE RUTHENIUM-CATALYSED ENANTIOSELECTIVE REDUCTION OF KETONES ß-KETO-ESTERS AND KETIMINES
CHIRAL DIPHOSPHONITES AS LIGANDS IN THE RUTHENIUM-CATALYSED ENANTIOSELECTIVE REDUCTION OF KETONES ß-KETO-ESTERS AND KETIMINES
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机译:手性二亚膦酸酯在钌催化的酮-β-酮-酯和酮亚胺的对映体还原中的配位作用
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摘要
Chiral ruthenium complexes are disclosed, obtained by reaction of a ruthenium salt with a chiral diphosphonite. Chiral diols with the general structure given in scheme 1 are preferably used as chiral diphosphonites. Said ruthenium complexes can be simply and economically obtained and provide high enantioselectivity on reduction of ketones, ß-keto-esters and ketimines.
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