A catalyst don’t appear in the overall stoichiometry of the reaction it catalyzes, HPLC of Formula: C6H12O6, but it must appear in at least one of the elementary reactions in the mechanism for the catalyzed reaction. 57-48-7, Name is (3S,4R,5R)-1,3,4,5,6-Pentahydroxyhexan-2-one, molecular formula is C6H12O6. In an article, author is Wei, Shiqiang,once mentioned of 57-48-7.
A novel tartrate-derived guanidine accessed by a modular approach was identified to be an efficient catalyst for the Michael addition of 3-aminooxindoles to nitroolefins. A range of quaternary 3-aminooxindoles bearing adjacent quaternary-tertiary stereocenters were obtained in good to excellent yields (up to 95%) with good to excellent diastereo- and enantioselectivities (up to >20:1 dr and 98% ee). (C) 2020 Elsevier Ltd. All rights reserved.
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Reference:
Chiral Catalysts,
,Chiral catalysts – SlideShare