在常温常压下,该物质保持稳定。
3-氰基-6-甲基-2(1H)-吡啶酮是米力农(Milirinone)的中间体。米力农的通用名是1,6-二氢-2-甲基-6-氧代-[3,4'二吡啶]-5-甲腈,是一种磷酸二酯酶III (PDE III) 抑制剂。于1987年在美国上市,它是氨力农的同系物,具有相同的作用机制。
制备在反应容器中加入46.5克甲醇钠的950毫升四氢呋喃(THF)溶液,并将温度控制在0~5℃。随后1小时内滴加含有46.5克丙酮和59.6克乙酸乙酯的混合液,滴加完毕后撤去冰浴并缓慢升温至室温。浓缩过程中温度不得超过50℃。
将浓缩物转移到反应容器中,并加入400毫升水溶液中的67克氰基乙酰胺及哌啶乙酸(作为缩合反应催化剂)。在回流条件下进行2小时的反应,随后冷却至室温并使用醋酸调节pH值至约5。室温下静置过夜后,在冰浴中冷却45分钟,抽滤,并用冰水洗涤3次。最后于80℃真空干燥一晚,制得65.5克黄色固体3-氰基-6-甲基-2(1H)-吡啶酮(收率61.0%)。
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
4-氯-6-甲基-2-氧代-1,2-二氢吡啶-3-甲腈 | 4-chloro-2-hydroxy-6-methylnicotinonitrile | 582300-58-1 | C7H5ClN2O | 168.583 |
5-氰基-2-甲基-6-氧代-1,6-二氢-3-吡啶羧酸 | 5-cyano-2-methyl-6-oxonicotinic acid | 101184-51-4 | C8H6N2O3 | 178.147 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
6-乙基-2-氧代-1H-吡啶-3-腈 | 6-ethyl-2-oxo-1,2-dihydropyridine-3-carbonitrile | 4241-20-7 | C8H8N2O | 148.164 |
—— | 1,2-dihydro-6-<(hydroxyimino)methyl>-2-oxo-3-pyridinecarbonitrile | 343867-99-2 | C7H5N3O2 | 163.136 |
—— | 6-[(Hydroxyimino)methyl]-2-oxo-1,2-dihydropyridine-3-carbonitrile | —— | C7H5N3O2 | 163.13 |
6-异丙基-2-氧代-1,2-二氢-3-吡啶甲腈 | 3-Cyano-2-hydroxy-6-isopropylpyridin | 5782-69-4 | C9H10N2O | 162.191 |
—— | 6-Butyl-3-cyano-2-pyridone | 118420-86-3 | C10H12N2O | 176.218 |
—— | 6-but-3-enyl-2-hydroxynicotinonitrile | 343566-68-7 | C10H10N2O | 174.202 |
5-溴-3-氰基-2-羟基-6-甲基吡啶 | 5-bromo-6-methyl-2-oxo-1,2-dihydropyridine-3-carbonitrile | 84725-13-3 | C7H5BrN2O | 213.033 |
—— | 6-(2-Hydroxy-propyl)-2-oxo-1,2-dihydro-pyridine-3-carbonitrile | 88251-85-8 | C9H10N2O2 | 178.191 |
1,2-二氢-2-氧代-6-苯乙基吡啶-3-甲腈 | 6-phenethylpyrid-2-one-3-carbonitrile | 4241-21-8 | C14H12N2O | 224.262 |
—— | N-<(5-cyano-1,6-dihydro-6-oxo-2-pyridinyl)methyl>acetamide | 81450-63-7 | C9H9N3O2 | 191.189 |
—— | 3-(Aminomethyl)-6-methylpyridin-2-ol | 75985-25-0 | C7H10N2O | 138.169 |
6-甲基-2-氧代-1H-吡啶-3-甲醛 | 1,2-dihydro-6-methyl-2-oxo-3-pyridinecarboxaldehyde | 78440-89-8 | C7H7NO2 | 137.138 |
—— | 6-[(E)-2-(4-Methoxy-phenyl)-vinyl]-2-oxo-1,2-dihydro-pyridine-3-carbonitrile | 88252-37-3 | C15H12N2O2 | 252.272 |
—— | 6-[(E)-2-(4-Methylsulfanyl-phenyl)-vinyl]-2-oxo-1,2-dihydro-pyridine-3-carbonitrile | 88252-36-2 | C15H12N2OS | 268.339 |
—— | 6-[(E)-4-(4-Methoxy-phenyl)-but-1-en-3-ynyl]-2-oxo-1,2-dihydro-pyridine-3-carbonitrile | 88252-35-1 | C17H12N2O2 | 276.294 |
—— | 6-(2-Hydroxy-2-pyridin-4-yl-ethyl)-2-oxo-1,2-dihydro-pyridine-3-carbonitrile | 88251-86-9 | C13H11N3O2 | 241.249 |
—— | 3-Cyan-6-(2-hydroxy-2-phenylethyl)-2(1H)-pyridon | 4487-45-0 | C14H12N2O2 | 240.261 |
—— | 3-Cyan-2-oxo-6-<2,2-diphenyl-vinyl>-1,2-dihydro-pyridin | 4487-43-8 | C20H14N2O | 298.344 |
—— | 1-Allyl-6-methyl-2-oxo-1,2-dihydro-pyridine-3-carbonitrile | 641621-30-9 | C10H10N2O | 174.202 |
—— | 6-Methyl-2-oxo-1-propyl-1,2-dihydro-pyridine-3-carbonitrile | 641621-32-1 | C10H12N2O | 176.218 |
—— | 1,2-dihydro-6-<2-hydroxy-2-(2-pyridinyl)ethyl>-2-oxo-3-pyridinecarbonitrile | 88251-88-1 | C13H11N3O2 | 241.249 |
—— | 6-[(E)-2-(2-Methoxy-phenyl)-vinyl]-2-oxo-1,2-dihydro-pyridine-3-carbonitrile | 88252-38-4 | C15H12N2O2 | 252.272 |
2-羟基-6-甲基硫代烟酰胺 | 6-methyl-2-oxo-1H-pyridine-3-carbothioamide | 92303-09-8 | C7H8N2OS | 168.219 |