In an article, author is Chang, Fengwei, once mentioned the application of 10482-56-1, Quality Control of (S)-(-)-Terpineol, Name is (S)-(-)-Terpineol, molecular formula is C10H18O, molecular weight is 154.2493, MDL number is MFCD00075926, category is chiral-catalyst. Now introduce a scientific discovery about this category.
Development of an efficient cocatalyst system to eliminate the intrinsic conflict of the cross-interactions in a pair of cocatalysts and to overcome the extrinsic conflict of the reaction conditions in an unmatched reaction environment has great significance in asymmetric dual catalysis. Herein, a compartmentalization method involving the integration of a cocatalyst system has been developed, which enables an efficient Michael addition/reduction enantioselective dual-catalysis process to be accomplished from a noncompatible system. In this process, the chiral squaramide species is encapsulated within the cavity of one hollow-shellmesostructured silica support, whereas the chiral organoruthenium/diamine species is entrapped within the cavity of another watersoluble thermoresponsive polymer-coating hollow-shell-mesostructured silica support. This shielding feature together with the reversible on-off mode of the water-soluble thermoresponsive polymer not only controls the cross-interactions of dual species but also harmonizes the reaction conditions. As we envisioned, the one-pot sequential Michael addition of alpha-nitrosulfone and enones followed by asymmetric transfer hydrogenation provides various 1,4-distereocentered chiral delta-hydroxysulfones with enhanced yields and enantio/diastereoselectivities.
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Reference:
Chiral Catalysts,
,Chiral catalysts – SlideShare