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Synlett 2000; 2000(11): 1622-1624
DOI: 10.1055/s-2000-7934
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1,2,4-Dithiazolidine-3,5-dione: A Nucleophilic Isocyanate "Building Block"

Daniel J. Cane-Honeysett* , Michael D. Dowle, Mark E. Wood
  • *School of Chemistry, University of Exeter, Stocker Road, Exeter, EX4 4QD, UK
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Publication Date:
31 December 2000 (online)

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Mild conditions are described for the direct N-alkylation of 1,2,4-dithiazolidine-3,5-dione 1 using a variety of alkyl halides with subsequent conversion of the products 2 into alkyl isocyanates using triphenylphosphine.

heterocycles - 1,2,4-dithiazolidine-3,5-dione - N-alkylation - phosphorus(III) desulfurisation - isocyanates