【结 构 式】 ![]() |
【药物名称】BI-L-0093BS, BI-L-93 BS 【化学名称】(E)-2,6-Di-tert-butyl-4-[2-(3-pyridinyl)ethenyl]phenol 【CA登记号】116376-62-6 【 分 子 式 】C21H27NO 【 分 子 量 】309.45544 |
【开发单位】Boehringer Ingelheim (Originator) 【药理作用】Cyclooxygenase Inhibitors, Lipoxygenase Inhibitors, Non-Steroidal Antiinflammatory Drugs |
合成路线1
The reaction of 2,6-di-tert-butyllphenol (I) with hexamethylenetetramine (HMT) and sulfuric acid in ethyleneglycol at 130 C gives 4-hydroxy-3,5-di-tert-butylbenzaldehyde (II), which is finally condensed with 2-(3-pyridyl)acetic acid (III) by means of piperidine in dichloromethane at 130 C.
【1】 Lazer, E.S.; Farina, P.R.; Gundel, R.H.; Wegner, C.D.; 2,6-Disubstituted-4-(2-arylethenyl)phenol 5-lipoxygenase inhibitors: Development and profile of BI-L-239. Drugs Fut 1991, 16, 7, 641. |
中间体序号 | 中间体编号 | 品名 | CAS号 | 分子式 | 供应商 | 用于合成 |
---|---|---|---|---|---|---|
(I) | 25925 | 2,6-di(tert-butyl)phenol | 128-39-2 | C14H22O | 详情 | 详情 |
(II) | 14875 | 3,5-Bis(1,1-dimethylethyl)-4-hydroxybenzaldehyde; 3,5-di(tert-butyl)-4-hydroxybenzaldehyde; 3,5-Di-tert-butyl-4-hydroxybenzaldehyde | 1620-98-0 | C15H22O2 | 详情 | 详情 |
(III) | 16168 | 2-(3-pyridinyl)acetic acid; 3-Pyridylacetic acid | 501-81-5 | C7H7NO2 | 详情 | 详情 |
Extended Information