Synthesis of carbamates from aliphatic amines and dimethyl carbonate catalyzed by acid functional ionic liquids

Hancheng Zhou, Feng Shi, Xiong Tian, Qinghua Zhang, Youquan Deng

Research output: Contribution to journalArticlepeer-review

72 Scopus citations

Abstract

Selective synthesis of carbamates from amines and dimethyl carbonate were studied in the presence of various ionic liquids as catalysts. The -SO3H-functionalized ionic liquid was found to be the most active catalyst among the applied ionic liquids, and nearly 100% conversion and 95% selectivity were achieved when using 1,6-hexanediamine as reactant. The acid functional ionic liquid catalyst system is also readily separable and reusable after reaction.

Original languageEnglish
Pages (from-to)89-92
Number of pages4
JournalJournal of Molecular Catalysis A: Chemical
Volume271
Issue number1-2
DOIs
StatePublished - 18 Jun 2007
Externally publishedYes

Keywords

  • Amine
  • Carbamates
  • Green chemistry
  • Ionic liquid
  • Non-phosgene

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