An exception of Eschweiler-Clarke methylation: Cyclocondensation of α-amino amides with formaldehyde and formic acid

Fu Lin Chen, Kuangsen Sung

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

An exception of Eschweiler-Clarke methylation was found for α-amino amides. The α-amino amides on treatment with formaldehyde and formic acid produce cyclocondensation products, imidazolidin-4-ones, but N-methylation process becomes important when three substituents of the α-amino amides are very bulky. On the other hand, N-methylation is the only product for Eschweiler-Clarke methylation of the α-amino amides with N,N-disubstituted amide.

Original languageEnglish
Pages (from-to)697-700
Number of pages4
JournalJournal of Heterocyclic Chemistry
Volume41
Issue number5
DOIs
Publication statusPublished - 2004

All Science Journal Classification (ASJC) codes

  • Organic Chemistry

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