化学性质
白色片状或针状结晶,熔点为128℃。易溶于醇、氯仿、稀酸和碱类,难溶于热水且不溶于醚。其盐酸盐呈棱柱形结晶状,熔点为215℃。
用途
该物质是用于测定酮和醛的试剂。
生产方法
将68克苯基脲与120毫升42%水合肼加热反应12小时后,通过活性炭脱色并浓缩、冷却、结晶得到粗品约47-52克。将此粗品溶解于无水乙醇中,加入浓盐酸生成盐酸盐,从而获得4-苯基氨基脲盐酸盐46-48克。随后将该盐酸盐溶于沸水中,并滴加氢氧化钠溶液以析出游离碱。经过滤和干燥处理后,最终可得28-30克的4-苯基氨基脲。
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
苯基脲 | phenyl carbamate | 64-10-8 | C7H8N2O | 136.153 |
—— | acetone 4-phenylsemicarbazone | 78002-37-6 | C10H13N3O | 191.233 |
—— | N4-phenyl acetic acid semicarbazide | 61733-82-2 | C9H11N3O2 | 193.205 |
双苯基脲 | bis(diphenyl)urea | 102-07-8 | C13H12N2O | 212.251 |
—— | benzaldehyde N-phenylsemicarbazone | 17531-59-8 | C14H13N3O | 239.277 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
1-甲酰基-4-苯基氨基脲 | 4-phenyl-1-formylsemicarbazide | 36215-90-4 | C8H9N3O2 | 179.178 |
1-(氨基甲酰氨基)-3-苯基脲 | 1-Phenyl-hydrazodicarbonamid | 90141-55-2 | C8H10N4O2 | 194.193 |
—— | 1-phenylcarbamoyl-4-phenyl semicarbazide | 2937-77-1 | C14H14N4O2 | 270.291 |
—— | acetone 4-phenylsemicarbazone | 78002-37-6 | C10H13N3O | 191.233 |
—— | N4-phenyl acetic acid semicarbazide | 61733-82-2 | C9H11N3O2 | 193.205 |
—— | isovaleraldehyde 4-phenylsemicarbazone | 1246973-24-9 | C12H17N3O | 219.286 |
—— | (4-phenyl-semicarbazono)-acetic acid | 111574-80-2 | C9H9N3O3 | 207.189 |
—— | 1-Aethyl-6-phenyl-hydrazodicarbonamid | 2937-73-7 | C10H14N4O2 | 222.247 |
—— | phenylcarbamoyl azide | 940-38-5 | C7H6N4O | 162.151 |
—— | 4-phenyl-1-phenylcarbamoyl thiosemicarbazide | 35572-84-0 | C14H14N4OS | 286.357 |
—— | 2-cyclopentylidene-N-phenylhydrazine-1-carboxamide | —— | C12H15N3O | 217.271 |
—— | benzaldehyde N-phenylsemicarbazone | 17531-59-8 | C14H13N3O | 239.277 |
—— | 1-(Octan-2-ylideneamino)-3-phenylurea | 293325-99-2 | C15H23N3O | 261.367 |
—— | 1-(3-Oxobutan-2-ylideneamino)-3-phenylurea | 60220-23-7 | C11H13N3O2 | 219.243 |
—— | (E)-(4-phenyl-semicarbazono)-acetic acid ethyl ester | 66074-21-3 | C11H13N3O3 | 235.243 |
—— | 2-cyclohexylidene-N-phenylhydrazine-1-carboxamide | 24060-13-7 | C13H17N3O | 231.297 |
—— | 1-(pyridin-4-al)-4-phenylsemicarbazone | 126713-58-4 | C13H12N4O | 240.264 |
—— | pyridine-4-carbaldehyde-(4-phenyl semicarbazone) | 126713-58-4 | C13H12N4O | 240.264 |
—— | 3-phenylacrylicaldehyde 4-phenylsemicarbazone | —— | C16H15N3O | 265.315 |
A series of rationally designed new class of hLig1 inhibitors with potent