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Synlett 1994; 1994(7): 539-541
DOI: 10.1055/s-1994-22921
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Cycloaddition of Chlorosulfonyl Isocyanate to Sugar Vinyl Ethers

Z. Kałuża* , W. Abramski, C. Bełżecki, J. Grodner, D. Mostowicz, R. Urbański, M. Chmielewski
  • *Institute of Organic Chemistry, Polish Academy of Sciences, 01-224 Warsaw, Poland
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Publication Date:
18 September 2002 (online)

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Storage of chlorosulfonyl isocyanate over potassium, sodium or calcium carbonate and addition of these bases to the reaction mixture enables to perform many [2+2]cycloadditions with olefins, which, owing to acidity of the commercially available reagent, so far gave negative results.

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