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. 1772-03-8, Name is (2R,3R,4R,5R)-2-Amino-3,4,5,6-tetrahydroxyhexanal hydrochloride, molecular formula is C6H14ClNO5. In an article, author is Qi, Jialin,once mentioned of 1772-03-8, SDS of cas: 1772-03-8.
A copper(I)-catalyzed asymmetric, three-component interrupted Kinugasa reaction has been developed. Diverse chiral sulfur-containing chiral beta-lactams with two consecutive stereogenic centers were synthesized in one step from readily available starting materials in good yields and with excellent diastereo- and enantioselectivity. The key is the interception of in situ formed chiral four membered copper(I) enolate intermediate with sulfur electrophiles.
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Reference:
Chiral Catalysts,
,Chiral catalysts – SlideShare