3-Hydroxypropylammonium acetate (HPAA) ionic liquid: An effective acidic media in efficient conversion of anilines into aryl isocyanates

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  • Davood Azarifar1,
  • Maryam Golbaghi1,
  • Razieh Nejat-Yami2,
  1. Faculty of Chemistry, Bu-Ali Sina University, 65178, Hamedan, Iran
  2. Faculty of Chemistry, Tarbiat Modares University, Tehran, Iran

Published in Issue 2024-02-03

How to Cite

Azarifar, D., Golbaghi, M., & Nejat-Yami, R. (2024). 3-Hydroxypropylammonium acetate (HPAA) ionic liquid: An effective acidic media in efficient conversion of anilines into aryl isocyanates. Iranian Journal of Catalysis, 4(3). https://oiccpress.com/ijc/article/view/3809

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Abstract

A simple and mild procedure for the conversion of anilines into aryl isocyanates is described using the 3-hydroxypropylammonium acetate (HPAA) ionic liquid as a novel and efficient media has been explored in the synthesis of aryl isocyanates from the reaction of substituted urea with sodium nitrite in a water immiscible solvent. This ionic liquid can be easily recovered and reused for many times without noticeable loss of activity.

Keywords

  • 3-hydroxypropylammonium acetate,
  • aniline,
  • HPAA,
  • Ionic liquid,
  • Isocyanates
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