Synthesis 1985; 1985(12): 1144-1146
DOI: 10.1055/s-1985-31455
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The Cycloaddition of Isocyanates and Carbodiimides to Oxiranes Catalyzed by Organotin Iodide-Lewis Base Complexes

Akio Baba* , Ikuya Shibata, Kazuhiro Masuda, Haruo Matsuda
  • *Department of Applied Chemistry, Faculty of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565, Japan
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Publication History

Publication Date:
27 September 2002 (online)

Various types of five-membered heterocyclic compounds such as 2-iminodioxolanes, 2-oxazolidinones, and 2-iminooxazolidines, can be obtained from the cycloaddition of oxiranes with isocyanates or carbodiimides catalyzed by organotin iodide-Lewis base complexes under very mild conditions (40°C, 2h).