Computer Animation: A new method for teaching, communication, and representation of knowledge about reactions in heterocyclic chemistry

Retro-ene reactions in heterocyclic synt

Retro-ene reactions in heterocyclic synthesis. IV. A new synthetic method for 6-hydroxypyrimidin-4(3H)-ones and 1,3,5-triazine-2,4(1H,3H)-diones

✍ Kunio Ito; Shingo Miyajima 📂 Article 📅 1999 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 210 KB

\(N\) - \(t\)-Butylbenzamidines 1 reacted with diphenyl phenylmalonate or diphenyl methylmalonate to give 6-hydroxypyrimidin-4(3H)-ones 4 or 5 . Amidines 1 on reaction with diphenyl imidodicarboxylate afforded \(1,3,5\)-triazine- \(2,4(1 H, 3 H)\)-diones 8 .