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CHIRAL METALLOCENE COMPOUNDS AND PREPARATION THEREOF BY CREATION OF A CHIRAL CENTER BY ENANTIOSELECTIVE HYDRIDE TRANSFER
CHIRAL METALLOCENE COMPOUNDS AND PREPARATION THEREOF BY CREATION OF A CHIRAL CENTER BY ENANTIOSELECTIVE HYDRIDE TRANSFER
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机译:手性茂金属化合物及其对映体选择性氢化转移形成手性中心的制备方法
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摘要
There are provided enantiomerically enhanced chiral substituted cyclopentadienyl ligands, and compounds thereof, and a process for their making comprising contacting an optionally substituted fulvene having a prochiral carbon 6 with a lithium salt of an amine, amino acid or amide to effectuate enantioselective hydride addition to the carbon 6 of the fulvene so as to create a chiral center. There are further provided enantiomerically enhanced chiral organometallic complexes having one or more chiral substituted cyclopentadienyl groups.
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