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A simple and efficient method for synthesis of isocyanurates catalyzed by potassium phthalimide under solvent-free conditions

Moghaddam, F. M ; Sharif University of Technology | 2005

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  1. Type of Document: Article
  2. DOI: 10.2174/157017805774717508
  3. Publisher: 2005
  4. Abstract:
  5. The catalytic activity of potassium salts of phthalimide (PPI) and succinimide (PSI), as organonucleophilic catalysts, has been investigated for the cyclotrimerization of isocyanates under solvent-free conditions. PPI showed better catalytic activity in comparison with PSI. Diverse and challenging isocyanates afforded the respective symmetrical isocyanurates in good to quantitative yields in an atom economic reaction without any phase transfer catalyst. © 2005 Bentham Science Publishers Ltd
  6. Keywords:
  7. Isocyanate cyclotrimerization ; Organonucleophilic catalyst ; Potassium succinimide ; Potassium phthalimide ; Green chemistry ; Heterocycles
  8. Source: Letters in Organic Chemistry ; Volume 2, Issue 8 , 2005 , Pages 734-738 ; 15701786 (ISSN)
  9. URL: http://www.eurekaselect.com/article/24645