Design of multifaceted acidic 1,3-disulfoimidazolium chlorometallate ionic systems as heterogeneous catalysts for the preparation of β-amino carbonyl compounds
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- 作者：Susmita Saikia ; Pinky Gogoi ; Arup Kumar Dutta ; Parishmita Sarma ; Ruli Borah ; ruli@tezu.ernet.in" class="auth_mail" title="E-mail the corresponding author
- 关键词：Multifaceted acidic solid ; 1 ; 3-Disulfoimidazoliumchlorometallates ; Reusable catalyst ; Mannich-type ; β-Amino carbonyl compound
- 刊名：Journal of Molecular Catalysis A: Chemical
- 出版年：2016
- 出版时间：15 May 2016
- 年：2016
- 卷：416
- 期：Complete
- 页码：63-72
- 全文大小：2298 K
文摘
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A new class of acidic 1,3-disulfoimidazoliumchlorometallate ionic solid system is prepared.
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All three materials are characterized by various analytical techniques such as NMR, elemental analysis, UV–vis, FT-IR, Raman, TGA, SEM-EDX etc.
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Metal anion speciation regarding the structure is further confirmed by electronic spectra.
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Calculated band gap energies prove these materials as better semiconductors.
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Suitable to catalyze as heterogeneous acid catalyst for the synthesis of β–amino carbonyl compounds.