Asymmetric Synthesis of Spiro-3,4-dihydropyrans via a Domino Organocatalytic Sequence
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资源简介：
A cinchona alkaloid-catalyzed domino Michael/hemiacetalization reaction of cyclic β-oxo aldehydes and aromatic β,γ-unsaturated α-keto esters, resulting in the formation of spiro-dihydropyran architectures in good yield with high stereoselectivity (up to 97% ee), is presented.
创建时间：
2010-05-21
