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CAS 14282-76-9
2-bromo-3-methylthiophene
登记编号:TIAG-002
应用背景(按来源药适应症)
癫痫盐酸噻加宾癫痫发作盐酸噻加宾焦虑症盐酸噻加宾阻塞性睡眠呼吸暂停综合征盐酸噻加宾可卡因成瘾盐酸噻加宾
来源药(使用该中间体的合成路线)
| 品种 | 梯队 | 到期年 |
|---|---|---|
| 盐酸噻加宾Tiagabine Hydrochloride | Tier C · 观察 / 贸易 | - |
合成路线中的位置(上下游链)
按路线登记顺序排列,左→右为合成方向;高亮为当前 CAS,其余可点击跳转对应档案。
3-methylthiophene-2-carbaldehyde→2-bromo-3-methylthiophene→bis(3-methylthiophen-2-yl)methanol→bis(3-methylthiophen-2-yl)methanone→bromocyclopropane→cyclopropylbis(3-methylthiophen-2-yl)methanol→2,2'-(4-bromobut-1-ene-1,1-diyl)bis(3-methylthiophene)→ethyl (R)-piperidine-3-carboxylate→ethyl (R)-1-(4,4-bis(3-methylthiophen-2-yl)but-3-en-1-yl)piperidine-3-carboxylate→ethyl 4-bromobutanoate
2-bromo-3-methylthiophene→dihydrofuran-2(3H)-one→1,1-bis(3-methylthiophen-2-yl)butane-1,4-diol→4,4-bis(3-methylthiophen-2-yl)but-3-en-1-yl methanesulfonate→methyl 1,2,5,6-tetrahydropyridine-3-carboxylate→methyl 1-(4,4-bis(3-methylthiophen-2-yl)but-3-en-1-yl)-1,2,5,6-tetrahydropyridine-3-carboxylate→1-(4,4-bis(3-methylthiophen-2-yl)but-3-en-1-yl)-1,2,5,6-tetrahydropyridine-3-carboxylic acid→TIAG-024
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