A catalyst don’t appear in the overall stoichiometry of the reaction it catalyzes, but it must appear in at least one of the elementary reactions in the mechanism for the catalyzed reaction. 146439-94-3, Name is H-SER-ILE-LYS-VAL-ALA-VAL-OH, molecular formula is C8H9FO. In an article, author is Wu, Wei,once mentioned of 146439-94-3, Category: chiral-catalyst.
An efficient asymmetric acyl-Mannich reaction of isoquinolines with alpha-(diazomethyl)phosphonate and diazoacetate has been developed using chiral spiro phosphoric acids as catalysts. This reaction allowed the construction of a series of chiral 1,2-dihydroisoquinolines bearing a tertiary stereocenter at the C1 position with up to 98% yield and 99% ee.
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Reference:
Chiral Catalysts,
,Chiral catalysts – SlideShare