按规格使用和贮存,不会发生分解,避免与氧化物接触。
4-氟苯甲酰肼是一种有机中间体,可用于有机合成和医药生产中,主要应用于实验室研发及化工生产过程。
制备方法在250 mL的三口瓶中,加入对氟苯甲酸(10.0 g,60 mmol)和100 mL四氢呋喃。随后,添加N,N'-羰基二咪唑(12.6 g,78 mmol),通过薄层层析(TLC)监测原料反应情况直至完全。当反应完成后,缓慢滴加80%水合肼(5.94 g,95 mmol)。在搅拌反应约6小时后,再次用TLC检测确保反应彻底完成。
将反应液冷却至室温,并进行减压浓缩以去除大部分有机溶剂。随后加入约30 mL的水,在室温下搅拌片刻。通过抽滤收集白色片状固体,并用水洗涤。经过15 mL无水乙醇重结晶后,得到4-氟苯甲酰肼的白色固体6.91 g,收率为75.2%。
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
对氟苯甲醛 | 4-fluorobenzaldehyde | 459-57-4 | C7H5FO | 124.115 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | 4-fluoro-N',N'-dimethylbenzohydrazide | 67655-85-0 | C9H11FN2O | 182.198 |
对氟苯甲酰胺 | p-fluorobenzamide | 824-75-9 | C7H6FNO | 139.129 |
—— | N,N′-bis(4-fluorobenzoyl)hydrazine | 582-91-2 | C14H10F2N2O2 | 276.242 |
—— | N'-benzoyl-4-fluorobenzohydrazide | 732-95-6 | C14H11FN2O2 | 258.252 |
—— | 4-fluoro-N'-isopropylbenzohydrazide | 2925-02-2 | C10H13FN2O | 196.224 |
—— | 1-p-Fluorbenzoyl-2-isopropyliden-hydrazin | 2252-60-0 | C10H11FN2O | 194.209 |
—— | 4-fluorobenzoylthiosemicarbazide | 831-38-9 | C8H8FN3OS | 213.235 |
—— | N'-(2-cyanoethyl)-4-fluorobenzohydrazide | 1156004-52-2 | C10H10FN3O | 207.207 |
—— | N'-(4-fluorobenzoyl)hydrazinecarbodithioic acid | 736084-51-8 | C8H7FN2OS2 | 230.287 |
—— | 4-fluoro-N-[(methylcarbamoyl)amino]benzamide | 116114-19-3 | C9H10FN3O2 | 211.196 |
—— | 1-(4-fluorobenzoyl)-4-methylthiosemicarbazide | 154106-08-8 | C9H10FN3OS | 227.262 |
—— | Benzaldehyd-4-fluorbenzoylhydrazon | 62433-15-2 | C14H11FN2O | 242.253 |
—— | 4-fluoro-N'-[(E)-phenylmethylidene]benzohydrazide | —— | C14H11FN2O | 242.253 |
—— | N’-(chloroacetyl)-4-fluorobenzohydrazide | 499129-05-4 | C9H8ClFN2O2 | 230.626 |
—— | 4-fluoro-N'-[(E)-(4-fluorophenyl)methylidene]benzohydrazide | —— | C14H10F2N2O | 260.24 |
—— | 1-(4-fluorobenzoyl)-4-ethylthiosemicarbazide | 29527-12-6 | C10H12FN3OS | 241.289 |
—— | 4-fluorobenzoyl azide | 16664-09-8 | C7H4FN3O | 165.127 |
—— | 1-[(4-Fluorobenzoyl)amino]-3-propylthiourea | 205806-25-3 | C11H14FN3OS | 255.316 |
—— | 2-[(4-fluorophenyl)carbonyl]-N-(prop-2-en-1-yl)hydrazinecarbothioamide | 205806-26-4 | C11H12FN3OS | 253.3 |
—— | N'-(4-fluorobenzoyl)-4-methoxybenzohydrazide | —— | C15H13FN2O3 | 288.278 |
—— | 4-fluoro-N-(piperidin-1-yl)benzamide | —— | C12H15FN2O | 222.262 |
—— | N-[(cyclopropylcarbamoyl)amino]-4-fluorobenzamide | 959136-91-5 | C11H12FN3O2 | 237.234 |
—— | N'-(3-bromobenzylidene)-4-fluorobenzohydrazide | —— | C14H10BrFN2O | 321.149 |
—— | 4-Methoxybenzaldehyd-4-fluorbenzoylhydrazon | 62433-19-6 | C15H13FN2O2 | 272.279 |
—— | nonyl N-[(4-fluorobenzoyl)amino]carbamodithioate | 80791-32-8 | C17H25FN2OS2 | 356.529 |
—— | (E)-4-fluoro-N'-(pyridin-3-ylmethylene)benzohydrazide | —— | C13H10FN3O | 243.24 |
—— | 4-fluoro-N-(pyridin-3-ylmethylideneamino)benzamide | —— | C13H10FN3O | 243.24 |
—— | 4-fluorobenzoic acid [(2-hydroxyphenyl)methylene]hydrazide | 62433-16-3 | C14H11FN2O2 | 258.252 |
—— | 1-[(4-Fluorobenzoyl)amino]-3-(2-phenylethyl)thiourea | 205806-28-6 | C16H16FN3OS | 317.387 |
—— | 4-fluoro-N'-(4-nitrobenzoyl)benzohydrazide | 316142-39-9 | C14H10FN3O4 | 303.25 |
—— | 4-fluorobenzothiohydrazide | —— | C7H7FN2S | 170.21 |
—— | 4-fluoro-N'-(pyridin-2-ylmethylene)benzohydrazide | 328923-34-8 | C13H10FN3O | 243.24 |