Asymmetric Tandem Michael Addition−Wittig Reaction to Cyclohexenone Annulation
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https://figshare.com/articles/dataset/Asymmetric_Tandem_Michael_Addition_Wittig_Reaction_to_Cyclohexenone_Annulation/2846479
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资源简介：
A highly stereoselective tandem Michael addition-Wittig reaction of (3-carboxy-2-oxopropylidene)triphenylphosphorane and α,β-unsaturated aldehydes has been developed by employing the combined catalysis of a newly designed bulky chiral secondary amine 1g, LiClO4, and DABCO. The multifunctional 6-carboxycyclohex-2-en-1-ones were generally obtained in excellent diastereo- and enantioselectivities (dr up to >50:1, 86−99% ee).
创建时间：
2009-07-02
