【结 构 式】 |
【分子编号】61080 【品名】2,3-dihydro-1-benzothiophene 【CA登记号】 |
【 分 子 式 】C8H8S 【 分 子 量 】136.21752 【元素组成】C 70.54% H 5.92% S 23.54% |
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:(I)The Friedel-Crafts' condensation of propionyl chloride (I) with 2,3-dihydrobenzo[b]thiophene (II) in dichloroethylene gives 5-propionyl-2,3-dihydrobenzo[b]thiophene (III), which is brominated with Br2 in THF yielding 5-(2-bromopropionyl)-2,3-dihydrobenzo[b]thiophene (IV). Finally this compound is condensed with 4-phenylbutylamine (V) in refluxing methanol and reduced with NaBH4 in the solvent
【1】 Serradell, M.N.; Castaner, J.; Thorpe, P.J.; Tibalosin. Drugs Fut 1984, 9, 12, 909. |
【2】 Lambellin, G.; Roba, J.; Gillet, C.; Roncocci, R. (Continental Pharma); BE 848496; FR 2370470; FR 2370472; GB 1565080; JP 7797952 . |
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) | 61080 | 2,3-dihydro-1-benzothiophene | C8H8S | 详情 | 详情 | |
(II) | 15967 | propanoyl chloride; propionyl chloride | 79-03-8 | C3H5ClO | 详情 | 详情 |
(III) | 61081 | 1-(2,3-dihydro-1-benzothiophen-6-yl)-1-propanone | C11H12OS | 详情 | 详情 | |
(IV) | 61082 | 2-bromo-1-(2,3-dihydro-1-benzothiophen-6-yl)-1-propanone | C11H11BrOS | 详情 | 详情 | |
(V) | 37811 | 4-phenyl-1-butanamine; 4-phenylbutylamine | 13214-66-9 | C10H15N | 详情 | 详情 |
Extended Information