Enhanced Catalytic Activity of a Cd(II) Complex Containing an Unsymmetrical Primary Amide Functionalized Ligand for the Solvent-Free Cyanosilylation Reaction
Using a new unsymmetrical and flexible primary amide-functionalized ligand, a novel crystalline complex, [Cd((S)-2-BPMEG)($ H_{2} $O)]($ ClO_{4} $)2.$ 2H_{2} $O (1), has been synthesized under ambient conditions and characterized by various analytical techniques. Its activated form (1a), obtained upon heating under vacuum at 80 °C for 8 h, acts as an excellent heterogeneous catalyst (2 mol% and 30 min at 25–27 °C) for the solvent-free cyanosilylation reaction of various derivatives of benzaldehyde, aliphatic, cycloaliphatic and heterocyclic aldehydes with trimethylsilyl cyanide (TMSCN) in 97–100% conversion. Compared to the symmetrical analogue, its catalytic activity enhanced by an order of magnitude is remarkable. The catalyst is recyclable up to five consecutive cycles without significant loss of activity and structural integrity. Graphical Abstract.
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Artikel |
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| Erscheinungsjahr: |
2022 |
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| Erschienen: |
2022 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:153 |
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| Enthalten in: |
Catalysis letters - 153(2022), 7 vom: 18. Aug., Seite 2036-2044 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Arora, Zinnia [VerfasserIn] |
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| Links: |
Volltext [lizenzpflichtig] |
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| Themen: |
Cd(II) mononuclear complex |
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© The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature 2022. Springer Nature or its licensor holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. |
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| doi: |
10.1007/s10562-022-04116-x |
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OLC2143740638 |
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| 520 | |a Using a new unsymmetrical and flexible primary amide-functionalized ligand, a novel crystalline complex, [Cd((S)-2-BPMEG)($ H_{2} $O)]($ ClO_{4} $)2.$ 2H_{2} $O (1), has been synthesized under ambient conditions and characterized by various analytical techniques. Its activated form (1a), obtained upon heating under vacuum at 80 °C for 8 h, acts as an excellent heterogeneous catalyst (2 mol% and 30 min at 25–27 °C) for the solvent-free cyanosilylation reaction of various derivatives of benzaldehyde, aliphatic, cycloaliphatic and heterocyclic aldehydes with trimethylsilyl cyanide (TMSCN) in 97–100% conversion. Compared to the symmetrical analogue, its catalytic activity enhanced by an order of magnitude is remarkable. The catalyst is recyclable up to five consecutive cycles without significant loss of activity and structural integrity. Graphical Abstract | ||
| 650 | 4 | |a Unsymmetrical primary amide functionalized ligand | |
| 650 | 4 | |a Heterogeneous catalyst | |
| 650 | 4 | |a Solvent-free cynosilylation reaction | |
| 650 | 4 | |a Cd(II) mononuclear complex | |
| 650 | 4 | |a Recyclable catalyst | |
| 700 | 1 | |a Markad, Datta |4 aut | |
| 700 | 1 | |a Khullar, Sadhika |4 aut | |
| 700 | 1 | |a Mondal, Sujan |4 aut | |
| 700 | 1 | |a Mandal, Sanjay K. |4 aut | |
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