A catalyst don’t appear in the overall stoichiometry of the reaction it catalyzes, Quality Control of (R)-Methyl 3-hydroxybutanoate, but it must appear in at least one of the elementary reactions in the mechanism for the catalyzed reaction. 3976-69-0, Name is (R)-Methyl 3-hydroxybutanoate, molecular formula is C5H10O3. In an article, author is Pan, Yongkai,once mentioned of 3976-69-0.
A series of cyclohexyl-fused SPINOL-derived phosphoric acids (Cy-SPA) have been developed to catalyze the kinetic resolution of 2-N-acylamido tertiary allylic alcohols, providing access to chiral oxazolines bearing C-2 alkyl substituents with high enantioselectivities (with s-factors up to 153). Gram-scale reaction with 1 mol% catalyst loading and transformations of the chiral products demonstrates the value of these methods.
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Reference:
Chiral Catalysts,
,Chiral catalysts – SlideShare