Journal
TETRAHEDRON
Volume 59, Issue 37, Pages 7331-7336Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0040-4020(03)01133-5
Keywords
thioesters; triflic anhydride; alkylthiopyrimidines; arylthiopyrimidines
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S-Alkyl and S-aryl thioesters react with nitriles in the presence of triflic anhydride to form substituted 4-alkylthio- and 4-arylthiopyrimidines. However, when methyl thiocyanate is used as nitrile, dithioimidocarbonates are formed. A mechanism to explain these differences is postulated. (C) 2003 Elsevier Ltd. All rights reserved.
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