ChemInform Abstract: Palladium-Catalyzed Asymmetric Allylic Alkylations of Cycloalkenyl Acetates with Planar Chiral Phosphino-Ferrocene Carboxylic Acids.
Cheminform（2010）
Abstract
New phosphino-ferrocene carboxylic acids with only planar chirality (Sp)-3 and (Sp)-4 have been synthesized conveniently from (S,Sp)-5 and (S,Sp)-7. They were used as ligands in palladium-catalyzed allylic alkylation of cycloalkenyl acetates. With ligand (Sp)-4, high yield and good ee were given for reactions of a series of cycloalkenyl acetates and nucleophiles.
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Key words
Alkylation,Asymmetric catalysis,Ferrocene,Planar chirality
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