Mechanochemically Activated Asymmetric Organocatalytic Domino Mannich Reaction-Fluorination
收藏NIAID Data Ecosystem2026-03-12 收录
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Mechanochemical activation effectively mediated asymmetric organocatalytic domino Mannich addition followed by diastereoselective fluorination. The Mannich reactions of pyrazolones and to a lesser extent those of isoxazolones were effective under solvent-free ball-milling conditions. This reaction in combination with a chiral squaramide catalyst provided corresponding products in high yields and enantiomeric purities up to 99:1 e.r. and as a single diastereomer. DFT calculations revealed reasons for high diastereoselectivity.
创建时间：
2020-09-11
