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Youichi Aoki

Tokyo University of Science

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Synthesis of Tri- or Tetrasubstituted Pyrimidine Derivatives Through the [5 + 1] Annulation of Enamidines with either N,N-Dimethylformamide Dialkyl Acetals or Orthoesters and Their Application in a Ring Transformation of Pyrimidines to Pyrido[2,3-d]pyrimidin-5-one Derivatives.

2012 ChemInform
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Synthesis of Tri‐ or Tetrasubstituted Pyrimidine Derivatives through the [5+1] Annulation of Enamidines with either N,N‐Dimethylformamide Dialkyl Acetals or Orthoesters and Their Application in a Ring Transformation of Pyrimidines to Pyrido[2,3‐d]pyrimidin‐5‐one Derivatives

2011 Chemistry: A European Journal
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New approach to the practical synthesis of tri- or tetrasubstituted pyrimidine derivatives: a four-component coupling reaction from a functionalized silane, two types of aromatic nitriles, and acetals.

2005 Organic Letters
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