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Synlett 1998; 1998(3): 261-262
DOI: 10.1055/s-1998-1645
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A Convenient Coupling Reaction of Isocyanates with t-Alcohols with Catalytic Amount of SmI2 in the Presence of HMPA

Yong Hae Kim* , Heui Sul Park
  • *Department of Chemistry, Korea Advanced Institute of Science and Technology, Kusong-dong, Yusong-gu, Taejon, 305-701, Korea
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Publikationsdatum:
31. Dezember 2000 (online)

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Treatment of isocyanates with tertiary alcohols in the presence of catalytic amount (10 mol%) of samarium diiodide and HMPA in the THF at -78 °C under mild conditions afforded the corresponding carbamates in excellent yields within a few minutes.

catalytic reaction - samarium diiodide - coupling reaction - isocyanate - t-alcohol