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Mesoporous silica SBA‐15 functionalized with acidic deep eutectic solvent: A highly active heterogeneous N ‐formylation catalyst under solvent‐free conditions
Author(s) -
Azizi Najmedin,
Edrisi Mahtab,
Abbasi Faezeh
Publication year - 2018
Publication title -
applied organometallic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.53
H-Index - 71
eISSN - 1099-0739
pISSN - 0268-2605
DOI - 10.1002/aoc.3901
Subject(s) - chemistry , formylation , catalysis , deep eutectic solvent , formic acid , eutectic system , solvent , mesoporous silica , mesoporous material , lewis acids and bases , organic chemistry , toluene , inorganic chemistry , combinatorial chemistry , alloy
Mesoporous silica SBA‐15 functionalized with N ‐methylpyrrolidonium‐zinc chloride based deep eutectic solvent (DES) is found to be a more efficient and reusable catalyst for a convenient N ‐formylation of a variety of amines at room temperature. N ‐Formylation of primary, secondary as well as heterocyclic amines have been carried out in good to excellent yields by treatment with formic acid in low loading of DES/SBA‐15 an environmentally benign catalyst for the first time. The DES/SBA‐15 catalyst, which possesses both Brønsted and Lewis acidities as well as an active SBA‐15 support, makes this procedure quite simple, reusable, more convenient and practical. This catalyst was tolerant of a wide range of functional groups, and it can be reused for four runs without obvious deactivation.

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