Synthesis of Ferrocene Oxazoline N,O ligands and Their Application in Asymmetric Ethyl- and Phenylzinc Additions to Aldehydes
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https://figshare.com/articles/dataset/Synthesis_of_Ferrocene_Oxazoline_N_O_ligands_and_Their_Application_in_Asymmetric_Ethyl_and_Phenylzinc_Additions_to_Aldehydes/2120839
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资源简介：
The
synthesis of a range of novel gem-disubstituted
ferrocene–oxazoline ligands and their application in both the
asymmetric ethyl- and phenylzinc additions to aldehydes is reported.
These studies reveal that gem-disubstitution of i-Pr-containing ferrocene oxazoline ligands results in increased
enantioselectivity compared to their unsubstituted counterparts. Utilizing
zinc catalysis, these ligands provided a wide range of secondary alcohols
in yields of up to 93% with ee’s of up to >99%. An interesting
crystal structure of a ferrocene oxide–lithium tetramer showing
lithium–nitrogen coordination in the solid state is also presented.
创建时间：
2016-02-12
