One-Pot Synthesis of 3, 4-Dihydro-2H-pyrido [1, 2-a][1, 3, 5] triazin-2-one Derivatives from N-(2′-Pyridinyl) benzoylacetamide and Nitrosobenzenes

B Zaleska, B Trzewik, E Stodolak, J Grochowski…

Index: Zaleska, Barbara; Trzewik, Bartosz; Stodolak, Ewa; Grochowski, Jacek; Serda, Pawel Synthesis, 2004 , # 18 p. 2975 - 2979

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Citation Number: 7

Abstract

Abstract A convenient method leading to fused pyrido [1, 2-a][1, 3, 5] triazine-2-ones is described. It consists in a one-pot, two-step reaction of N-(2′-pyridinyl) benzoylacetamide with nitrosobenzenes. On the other hand, N-(2′-pyridinyl) acetoacetamide provides a C-2 condensation/addition product with nitrosobenzene. N-(2′-Pyridinyl) benzoylthioacetamide and N-(2′-pyridinyl) acetothioacetamide with nitrosobenzene undergo oxidative ...