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  • Title: Fe3O4 nanoparticle-supported copper(I) pybox catalyst: magnetically recoverable catalyst for enantioselective direct-addition of terminal alkynes to imines.
    Author: Zeng T, Yang L, Hudson R, Song G, Moores AR, Li CJ.
    Journal: Org Lett; 2011 Feb 04; 13(3):442-5. PubMed ID: 21189034.
    Abstract:
    An Fe(3)O(4) nanoparticle-supported copper(I) pybox catalyst, which exhibits excellent reactivity and yields products with good enantioselectivity, was developed. As a proof of concept, six optically active propargyl amines were obtained in excellent yields. The catalyst can be magnetically removed and recycled easily six times without a decrease in activity or enantioselectivity.
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