【结 构 式】 |
【分子编号】33506 【品名】ketene 【CA登记号】463-51-4 |
【 分 子 式 】C2H2O 【 分 子 量 】42.03728 【元素组成】C 57.14% H 4.8% O 38.06% |
与该中间体有关的原料药合成路线共 1 条
合成路线1
该中间体在本合成路线中的序号:(V)Trifluoromethylphenol (I) is converted into 2-hydroxy-4-trifluoromethylbenzoic acid (II) by treatment with potassium carbonate and carbon dioxide under pressure (Kolbe-Schmitt reaction). (II) is then converted with a suitable acetylating agent in the 2-acetoxy-4-trifluoromethylbenzoic acid (III).
【1】 Barra, E.F.; Marin, A.; 4-Trifluoromethylbenzoic acid derivatives as thromboembolic agents. DE 2641556; ES 459855; FR 2354335; GB 1588633; JP 52156831; US 4096252 . |
【2】 Marin, A.; Francia, E.; Garcia Rafanell, J.; Triflusal. Drugs Fut 1978, 3, 3, 225. |
Extended Information