Summary.
Alkali metal salts of phthalimide-N-oxyl, including Li, Na, and K were prepared and applied as novel selective catalysts to promote the cyclotrimerization of aryl and alkyl isocyanates. This paper is addressing these salts as a new class of organic nucleophilic catalysts.
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Dekamin, M., Moghaddam, F., Saeidian, H. et al. The Performance of Phthalimide-N-oxyl Anion. Monatsh. Chem. 137, 1591–1595 (2006). https://doi.org/10.1007/s00706-006-0553-6
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DOI: https://doi.org/10.1007/s00706-006-0553-6