Mesoporous Niobium Oxide Spheres as an Effective Catalyst for the Transamidation of Primary Amides with Amines

Subhash Chandra Ghosh, Cheng Chao Li, Hua Chun Zeng, Joyce S Y Ngiam, Abdul M. Seayad, Anqi Chen

Research output: Contribution to journalArticlepeer-review

32 Scopus citations

Abstract

Mesoporous niobium oxide spheres (MNOS), conveniently prepared by a novel antisolvent precipitation approach, have been shown to be an effective catalyst for the transamidation of primary amides with amines. This novel transamidation can be efficiently carried out under solvent-free conditions and is applicable to a wide range of primary amides and amines to provide N-alkyl amides in good to excellent yields. The catalyst is highly stable and reusable. The application of this transamidation reaction has been demonstrated in the synthesis of antidepressant drug moclobemide and other druglike compounds. © 2014 Wiley-VCH Verlag GmbH&Co. KGaA, Weinheim.
Original languageEnglish (US)
Pages (from-to)475-484
Number of pages10
JournalAdvanced Synthesis & Catalysis
Volume356
Issue number2-3
DOIs
StatePublished - Feb 6 2014
Externally publishedYes

Bibliographical note

KAUST Repository Item: Exported on 2020-10-01
Acknowledgements: This work was supported by GlaxoSmithKline (GSK), Singapore Economic Development Board (EDB) under GSK-Singapore Partnership for Green and Sustainable Manufacture, and the Institute of Chemical and Engineering Sciences (ICES), Agency for Science, Technology and Research (A*STAR), Singapore. We thank Mr. Jeffery Ng (ICES) for carrying out the NH3-TPD analysis.
This publication acknowledges KAUST support, but has no KAUST affiliated authors.

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