Functionalization of silica surface using Chan–Lam coupling |
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Authors: | George Appiah-Kubi Kenneth SeatonAleksey Vasiliev |
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Institution: | Department of Chemistry, East Tennessee State University, PO Box 70695, Johnson City 37614, USA |
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Abstract: | The reaction of base-free Chan–Lam coupling was successfully used for functionalization of surface of mesoporous silica gel. Various aromatic, aliphatic, and heterocyclic compounds were immobilized by a copper-catalyzed reaction of corresponding boronic acids with surface amino groups at mild conditions. Obtained functionalized materials were mesoporous although their surface area decreased after immobilization. The reactivity of some surface functional groups was tested in their characteristic reactions. |
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Keywords: | Chan&ndash Lam coupling Surface functionalization Silica gel Boronic acids |
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