中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
2-甲基-1H-吡咯-3,4-二羧酸 | 2-Methyl-pyrrol-dicarbonsaeure-3,4 | 89937-81-5 | C7H7NO4 | 169.137 |
Ethyl 5-oxo-2-phenyl-2,5-dihydroisoxazole-4-carboxylate (2) was photolysed at 300 nm in the presence of phenols, enols, anilines, enamines , aryl thiols and thioenols affording enamines. Treatment of these enamines with Lewis or protic acids gives the respective benzo and five- membered ring systems.