Let¡¯s face it, organic chemistry can seem difficult to learn. Especially from a beginner¡¯s point of view. Like 1436-59-5, Name is cis-Cyclohexane-1,2-diamine. In a document type is Article, introducing its new discovery., 1436-59-5
Cu-catalyzed asymmetric conjugate addition of dialkylzincs to enones using a (¡À)- trans -1,2-cyclohexanediamine-based bis(NHC) derived from l -leucinol
A hydroxyamide-functionalized azolium salt as the precursor of a (¡À)-trans-1,2-cyclohexanediamine-based bis(NHC) ligand was designed and synthesized from readily accessible l-leucinol. The combination of a Cu salt with this chiral ligand precursor promoted the asymmetric conjugate addition of Et2Zn to 2-cyclohexen-1-one at room temperature without the need for temperature control to afford the corresponding 1,4-adduct with up to 95% ee.
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Reference£º
Chiral Catalysts,
Chiral catalysts – SlideShare