|
|||||
|
|
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 |
|
| Authors: | Kunio Ito Shingo Miyajima |
| Abstract: | 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(1H, 3H)-diones 8. |
| Keywords: | |