PEG-embedded KBr3: A recyclable catalyst for multicomponent coupling reaction for the efficient synthesis of functionalized piperidines
PEG-embedded potassium tribromide ([K+PEG]Br3−) was found to be an efficient and recyclable catalyst for the synthesis of functionalized piperidines in high yields in a one step, three component coupling between aldehyde, amine and β-keto ester. At the end of the reaction the [K+PEG]Br3− was readily...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
Beilstein-Institut
2011-09-01
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| Series: | Beilstein Journal of Organic Chemistry |
| Subjects: | |
| Online Access: | https://doi.org/10.3762/bjoc.7.157 |
| Summary: | PEG-embedded potassium tribromide ([K+PEG]Br3−) was found to be an efficient and recyclable catalyst for the synthesis of functionalized piperidines in high yields in a one step, three component coupling between aldehyde, amine and β-keto ester. At the end of the reaction the [K+PEG]Br3− was readily regenerated from the reaction mixture by treating the residue containing [K+PEG]Br− with molecular bromine. |
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| ISSN: | 1860-5397 |