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- W2950017967 endingPage "3071" @default.
- W2950017967 startingPage "3068" @default.
- W2950017967 abstract "In this paper, a reagent-controlled [3+2] annulation of γ-functionalized butynoates 1 and 1C,3O-bisnucleophiles 2 is reported, which leads to three distinct furan skeletons 3-5. A PPh(3) catalyst preferentially attached the β-position of 1a, facilitating α-addition to furnish Type I annulations. With the assistance of Ag(2)O, Type II annulations were achieved via selective γ-substitution. In the absence of the PPh(3) catalyst, the reagent Cs(2)CO(3) promoted β-addition to realize Type III annulations." @default.
- W2950017967 created "2019-06-27" @default.
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- W2950017967 creator A5005997337 @default.
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- W2950017967 date "2011-05-16" @default.
- W2950017967 modified "2023-09-25" @default.
- W2950017967 title "Phosphine-Catalyzed [3 + 2] Annulations of γ-Functionalized Butynoates and 1<i>C</i>,3<i>O</i>-Bisnucleophiles: Highly Selective Reagent-Controlled Pathways to Polysubstituted Furans" @default.
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- W2950017967 doi "https://doi.org/10.1021/ol200940a" @default.
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