Реакция #3142
ord-4d14267579d347aaab5da8765031fa8d
Уравнение реакции
4,6-dihydroxy-2-methylpyrimidinamine
sodium ethoxide
sodium
Acetamidine hydrochloride
diethyl malonate
→
4,6-dihydroxy-2-methylpyrimidine
Реактанты
Реагенты
Нет
Растворители
Условия реакции
Подробные условия
See reaction.notes.procedure_details.
Обработка
- 1Температураthe reaction mixture heated
Методика
The first intermediate, 4,6-dihydroxy-2-methylpyrimidinamine, is synthesized by preparing sodium ethoxide in situ from sodium and an hydrous ethanol under a nitrogen blanket. Acetamidine hydrochloride and diethyl malonate are added and the reaction mixture heated to boiling for 2 to 5 hours to afford 4,6-dihydroxy-2-methylpyrimidine.