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- W2145295621 endingPage "9484" @default.
- W2145295621 startingPage "9478" @default.
- W2145295621 abstract "Abstract A direct asymmetric one‐pot synthesis of optically active 2,3‐dihydropyrroles from propargylated malononitrile and N ‐Boc‐protected (Boc= tert ‐butoxycarbonyl) imines is presented. The approach is based on a bifunctional organocatalytic Mannich‐type reaction and a subsequent gold‐catalyzed alkyne hydroamination and isomerization. The compatibility of both catalytic systems is presented and the overall transformation results in good yields (up to 70 %) with high selectivities ( endo / exo >10:1) and enantioselectivities (up to 88 % ee ). The absolute configuration of the final products is unambiguously established by X‐ray analysis. To highlight the synthetic potential of the accessed heterocyclic compounds, their transformation into 1‐pyrrolines, which represent direct precursors of pyrrolidines, is presented." @default.
- W2145295621 created "2016-06-24" @default.
- W2145295621 creator A5003800173 @default.
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- W2145295621 creator A5030044825 @default.
- W2145295621 creator A5040061165 @default.
- W2145295621 creator A5071130775 @default.
- W2145295621 date "2010-08-12" @default.
- W2145295621 modified "2023-10-17" @default.
- W2145295621 title "Asymmetric One‐Pot Sequential Organo‐ and Gold Catalysis for the Enantioselective Synthesis of Dihydropyrrole Derivatives" @default.
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