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- W4234303344 abstract "A series of cationic monodentate and bidentate iodo(benz)imidazolium-based halogen bond (XB) donors were employed as catalysts in a Mukaiyama aldol reaction. While 5 mol% of a monodentate variant showed noticeable activity, a <i>syn</i>-preorganized bidentate XB donor provided a strong performance even with 0.5 mol% loading. In contrast to the very active BAr<sup>F</sup><sub>4</sub> salts, PF<sub>6</sub> or OTf salts were either inactive or showed background reaction. Repetition experiments clearly ruled out a potential hidden catalysis by elemental iodine and demonstrated the stability of our catalyst over three consecutive cycles." @default.
- W4234303344 created "2022-05-12" @default.
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- W4234303344 date "2020-08-19" @default.
- W4234303344 modified "2023-10-18" @default.
- W4234303344 title "Mukaiyama Aldol Reaction Catalyzed by (Benz)imidazolium-Based Halogen Bond Donors" @default.
- W4234303344 doi "https://doi.org/10.26434/chemrxiv.12820652" @default.
- W4234303344 hasPublicationYear "2020" @default.
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