【结 构 式】 |
【分子编号】34018 【品名】(4-fluorophenyl)(2-thienyl)methanone 【CA登记号】579-49-7 |
【 分 子 式 】C11H7FOS 【 分 子 量 】206.2403832 【元素组成】C 64.06% H 3.42% F 9.21% O 7.76% S 15.55% |
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:(II)The reaction of 2-thiophenecarbonyl chloride (I) with fluorobenzene (A) by means of AlCl3 gives (4-fluorophenyl)(2-thienyl)ketone (II), which is then condensed with diethyl methylmalonate (B) by means of NaH in benzene-HMPA to yield diethyl 2-methyl-2-[4-(2-thienylcarbonyl)phenyl]malonate (III); this product is finally hydrolyzed and partially decarboxylated with refluxing aqueous NaOH.
【1】 Van Daele, P.G.H.; et al.; Synthesis of alpha-methyl-4-(2-thienylcarbonyl)benzene acetic acid, suprofen and derivatives. Arzneim-Forsch Drug Res 1975, 25, 10, 1495-1501. |
【2】 Castaner, J.; Chatterjee, S.S.; Suprofen. Drugs Fut 1976, 1, 3, 148. |
中间体序号 | 中间体编号 | 品名 | CAS号 | 分子式 | 供应商 | 用于合成 |
---|---|---|---|---|---|---|
(A) | 17466 | Fluorobenzene | 462-06-6 | C6H5F | 详情 | 详情 |
(B) | 30310 | diethyl 2-methylmalonate | 609-08-5 | C8H14O4 | 详情 | 详情 |
(I) | 14103 | 2-Thiophenecarbonyl chloride | 5271-67-0 | C5H3ClOS | 详情 | 详情 |
(II) | 34018 | (4-fluorophenyl)(2-thienyl)methanone | 579-49-7 | C11H7FOS | 详情 | 详情 |
(III) | 34019 | diethyl 2-methyl-2-[4-(2-thienylcarbonyl)phenyl]malonate | C19H20O5S | 详情 | 详情 |
Extended Information