Reference of 1806-29-7. Let¡¯s face it, organic chemistry can seem difficult to learn. Especially from a beginner¡¯s point of view. Like 1806-29-7, Name is 2,2-Biphenol. In a document type is Article, introducing its new discovery.
Complexing and catalytic properties of easily available chiral iminophosphite based on biphenyl-2,2?-diol
A chiral iminophosphite ligand based on biphenyl-2,2?-diol and its chelates with rhodium(I) and palladium(II) were synthesized for the first time. Successful use of these compounds in asymmetric allylic substitution was demonstrated. The enantioselectivity of palladium-catalyzed alkylation of methyl pent-3-en-2-yl carbonate with dimethyl malonate reached 70%, that in the alkylation of 1,3-diphenylallyl acetate with dimethyl malonate was 88%. In the rhodium-catalyzed sulfonylation of 1,3-diphenylallyl acetate with sodium p-toluenesulfinite, the enantioselectivity was 56%.
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Chiral Catalysts,
Chiral catalysts – SlideShare