In an article, author is Bennedsen, Niklas Rosendal, once mentioned the application of 13811-71-7, Name: (2S,3S)-Diethyl 2,3-dihydroxysuccinate, Name is (2S,3S)-Diethyl 2,3-dihydroxysuccinate, molecular formula is C8H14O6, molecular weight is 206.1932, MDL number is MFCD00064451, category is chiral-catalyst. Now introduce a scientific discovery about this category.
Catalytic enantioselective C(sp(3))-H functionalization remains a difficult task, even more so using heterogeneous catalysts. Here, we report the first example of enantioselective C(sp(3))-H functionalization using a chiral porous organic polymer as the heterogeneous catalyst. The catalyst consists of a polystyrene-incorporating chiral phosphoramidite coordinated to palladium, and it provides up to 86% ee for the challenging enantioselective C(sp(3))-H functionalization of a range of 3-arylpropanamides. The swelling properties of the catalyst allow for quasi-homogeneous behavior in the reaction mixture while still enabling easy catalyst separation from the reaction medium and reuse. Thorough characterization of the fresh porous organic polymer and recycled catalyst material by P-31 CP/MAS NMR, C-13-H-1 CP/MAS NMR, X-ray diffraction, TEM, STEM, EDX-SEM, ICP, and XRF in combination with modifications to the reaction conditions for the recycled catalyst material reveals potential explanations for catalyst deactivation.
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Reference:
Chiral Catalysts,
,Chiral catalysts – SlideShare