4.4 Article

CF3S(O)n-containing enaminones as precursors for the synthesis of pyrimidine-4(3H)-ones

Journal

TETRAHEDRON LETTERS
Volume 58, Issue 13, Pages 1308-1311

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2017.02.046

Keywords

Enaminones; Pyrimidones; Trifluoromethyl sulfides; Trifluoromethyl sulfoxides; Ttrifluoromethyl sulfones

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Methyl 3-(dimethylamino) acrylates containing trifluoromethylsulfenyl-, trifluoromethylsulfinyl-, and trifluoromethylsulfonyl groups were synthesized and their utility demonstrated by reactions with aliphatic and aromatic amidines to produce 2,5 -substituted 4(3H)-pyrimidones. Cyclization reactions of enaminones with urea or thiourea led to 5 -substituted uracil or 2-thiouracil derivatives, respectively. (C) 2017 Elsevier Ltd. All rights reserved.

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