In an article, author is Wu, Lianqian, once mentioned the application of 59-23-4, Recommanded Product: 59-23-4, Name is D-Galactose, molecular formula is C6H12O6, molecular weight is 180.1559, MDL number is MFCD00151230, category is chiral-catalyst. Now introduce a scientific discovery about this category.
Asymmetric radical azidation for the synthesis of chiral alkylazides remains a tremendous challenge in organic synthesis. We report here an unprecedented highly enantioselective radical azidation of acrylamides catalyzed by 1 mol % of a copper catalyst. The substrates were converted to the corresponding alkylazides in high yield with good-to-excellent enantioselectivity. Notably, employing an anionic cyano-bisoxazoline (CN-Box) ligand is crucial to generate a monomeric Cu-II azide species, rather than a dimeric Cu-II azide intermediate, for this highly enantioselective radical azidation.
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Reference:
Chiral Catalysts,
,Chiral catalysts – SlideShare