期刊
ASIAN JOURNAL OF ORGANIC CHEMISTRY
卷 10, 期 11, 页码 2932-2943出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ajoc.202100443
关键词
Dopamines; Heterogeneous catalysis; Immobilization; Silanes; Supported catalysts
资金
- Universita degli Studi di Palermo within the CRUI-CARE Agreement
- FNRS
- [PRIN2017-2017YJMPZN]
A simple one-pot procedure using catechol and KIO4 as oxidizing agent was developed for preparing a set of hybrid organic-inorganic multifunctional materials. The materials were characterized using various techniques and were found to be suitable for the development of new hybrid materials for multiple purposes.
A simple one-pot procedure under mild conditions has been developed with the aim of preparing a set of hybrid organic-inorganic multifunctional materials. This procedure is based on the use of catechol and KIO4 as oxidizing agent in conjunction with 3-aminopropyl-, substituted 3-aminopropyl- and 3-methylimidazolium-1-trimethoxypropylsilane mimicking polydopamine-like chemistry. Reactions were carried out in water at room temperature and 70 degrees C to give fifteen materials that were characterised by using several techniques (nitrogen physisorption, TGA, XPS, C-13 and Si-29 CP-MAS NMR, IR, pH(PZC)). Knoevenagel reaction was chosen as a good probe to investigate the availability of functional groups on the surface of the materials. The most active catalytic materials were tested in recycling procedures. Such simple procedure is of broad interest for the scientific community and it open the doors to the development of new hybrid organic-inorganic multifunctional materials for several purposes.
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