First Application of Air-Stable and Reusable Phosphine-Containing Calix[4]arene in Catalytic Aza-Morita-Baylis-Hillman Reaction

[摘要]：For the first time, the aza-Morita-Baylis-Hillman reaction of N-sulfonated imines with methyl vinyl ketone was catalyzed by 5,11,17,23-tetrabutyl-25-(diphenylphosphinomethoxy)-26,27,28-trihydroxyc alix[4]arene (LB1), an air-stable, easily isolated and reusable catalyst. Great acceleration of the reaction was observed and the aza-Morita-Baylis-Hillman adducts were produced in excellent yields within short reaction time.

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