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Synthesis 1986; 1986(4): 334-336
DOI: 10.1055/s-1986-31606
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Debromination of 3-Aryl-4-bromosydnones with Sodium Borohydride

Kenneth Turnbull*
  • *Department of Chemistry, Wright State University, Dayton, Ohio 45435, U. S. A.
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Publication Date:
27 September 2002 (online)

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Debromination of 4-bromo-3-(2-substituted aryl) sydnones 1 with sodium borohydride in methanol occurs readily to give good yields of the corresponding parent sydnones 2, except in those cases where the aryl substituent also reacts. The utility of the process for both sydnone purification and the preparation of novel sydnones has been examined briefly.