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Synthesis 2000; 2000(5): 695-702
DOI: 10.1055/s-2000-6401
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New 1,3-Diazadienes Used in Heterocyclic Synthesis

Céline Friot* , Alain Reliquet, Françoise Reliquet, Jean Claude Meslin
  • *Laboratoire de Synthèse Organique, associé au CNRS, Faculté des Sciences et des Techniques, BP 92208, 2, rue de la Houssinière, F44322 Nantes Cedex 03, France; Fax (33)2 51 12 54 12; E-mail: meslin@chimie.univ-nantes.fr
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Publication History

Publication Date:
31 December 2000 (online)

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The synthesis of dihydropyrimidines, dihydropyrimidinones and thiadiazine-1,1-dioxides starting from neutral or cationic 2-methylthio-1,3-diazadienes is described. Addition of H2S followed by loss of methanethiol led to the corresponding thiocarbonyl compounds.

1,3-diazadienes - [4 + 2]cycloaddition - dihydropyrimidines - dihydropyrimidinones - thiadiazinedioxides

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