Abstract
AbstractThe use of chiral ligands to tune the reactivity and enantioselectivity of transition‐metal catalyst for asymmetric transformations is a central challenge in synthetic organic chemistry. In this manuscript, chiral P‐ligand (Tao‐Phos)‐assisted Cu2O‐nanoparticles‐catalyzed asymmetric azide–alkyne Huisgen cycloaddition is reported. The unique features of Tao‐Phos were determined in the copper‐catalyzed desymmetrization of pyrazolone‐derived bisalkynes through catalytic asymmetric Huisgen [3+2] cycloaddition (CAHC). This CAHC transformation resulted in good yields with moderate to high enantioselectivities.
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