Retro-ene reactions in heterocyclic synthesis. IV [1]. A new synthetic method for 6-hydroxypyrimidin-4(3H)-ones and 1,3,5-triazine-2,4(1H,3H)- diones
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.
Ito, Kunio,Miyajima, Shingo
p. 41 - 43
(2007/10/03)
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