Expedient Mechanosynthesis of N,N-Dialkyl Imidazoliums and Silver(I)-Carbene Complexes in a Ball-Mill - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Chemistry - A European Journal Année : 2015

Expedient Mechanosynthesis of N,N-Dialkyl Imidazoliums and Silver(I)-Carbene Complexes in a Ball-Mill

Résumé

The absence of solvent, associated with intensive mechanical agitation, allowed the first mechanosynthesis of high-value silver(I)-carbenec omplexes and the corresponding N,N-dialkylimidazolium precursors. This procedure gave outstanding results in terms of yield and reactiont ime, when compared to solution-based conditions previously described in literature, and was generalized to unprecedented compounds. Silver(I)-carbene complexes could either be obtainedf rom N,N-dialkylimidazolium salts or directly from imidazole and alkyl halides in ao ne-pot two-step procedure withouti solating the imidazolium intermediate. Additionally,a ne fficient one-pot three-step sequence, including imidazole alkylation, silver metalation, andtransmetalationi sr eported.
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Dates et versions

hal-02364136 , version 1 (02-02-2021)

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Audrey Beillard, Ethan Golliard, Valentin Gillet, Xavier Bantreil, Thomas-Xavier Métro, et al.. Expedient Mechanosynthesis of N,N-Dialkyl Imidazoliums and Silver(I)-Carbene Complexes in a Ball-Mill. Chemistry - A European Journal, 2015, 21 (49), pp.17614-17617. ⟨10.1002/chem.201503472⟩. ⟨hal-02364136⟩
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