Chiral induction in a ribose-decorated metallostar through intrinsic and interionic diastereomeric interactions

A ribose-functionalized bpy ligand has been prepared and shown to give modest diastereomeric excesses of Lambda-[FeL3](2+) complexes; interconversion of Delta and Lambda cations is relatively fast, and in CHCl3, the favored complexes with Delta- or Lambda-TRISPHAT counterions are homochiral, (Delta(+)Delta(-)) or (Delta(+)Lambda(-)). In the case of the Delta-TRISPHAT salt, a single diastereomer is observed (de greater than or equal to 96Publisher = AMER CHEMICAL SOC

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