【结 构 式】 |
【分子编号】54657 【品名】2,2-dimethyl-2H-chromene-6-sulfinic acid 【CA登记号】 |
【 分 子 式 】C11H12O3S 【 分 子 量 】224.28048 【元素组成】C 58.91% H 5.39% O 21.4% S 14.3% |
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)Lithiation of 6-bromo-2,2-dimethyl-2H-1-benzopyran (I), followed by treatment with sulfur dioxide, gave the sulfinic acid (II), which was subsequently chlorinated to sulfonyl chloride (III) employing SO2Cl2. Condensation of sulfonyl chloride (III) with aniline furnished the target N-phenyl sulfonamide (IV).
【1】 Manley, P.W. (Novartis AG; Novartis Deutschland GmbH); Benzopyrans and pharmaceutical compsns. containing them. EP 0828733; JP 1999505820; US 5905156; WO 9637490 . |
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) | 34890 | 6-bromo-2,2-dimethyl-2H-chromene | C11H11BrO | 详情 | 详情 | |
(II) | 54657 | 2,2-dimethyl-2H-chromene-6-sulfinic acid | C11H12O3S | 详情 | 详情 | |
(III) | 34892 | 2,2-dimethyl-2H-chromene-6-sulfonyl chloride | C11H11ClO3S | 详情 | 详情 | |
(IV) | 54658 | 2,2-dimethyl-N-phenyl-2H-chromene-6-sulfonamide | C17H17NO3S | 详情 | 详情 |
Extended Information