【结 构 式】 |
【分子编号】53287 【品名】3-methoxy-4-pyridinylamine; 3-methoxy-4-pyridinamine 【CA登记号】n/a |
【 分 子 式 】C6H8N2O 【 分 子 量 】124.1424 【元素组成】C 58.05% H 6.5% N 22.57% O 12.89% |
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 condensation of 4-amino-5-chloro-2-methoxybenzoic acid (I) with 3-methoxypyridine-4-amine (II) by means of ethyl chloroformate and DEA in chloroform gives the corresponding amide (III), which is condensed with 3-(4-fluorophenoxy)propyl chloride (IV) by means of phenol in hot toluene to yield the pyridinium chloride (V). Finally, this compound is hydrogenated with H2 over PtO2/C in ethanol containing NaHCO3 to afford the target cisapride.
【1】 Van Daele, G.H.P. (Janssen Pharmaceutica NV); ES 2007259 . |
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) | 12419 | 4-Amino-5-chloro-2-methoxybenzoic acid | 7206-70-4 | C8H8ClNO3 | 详情 | 详情 |
(II) | 53287 | 3-methoxy-4-pyridinylamine; 3-methoxy-4-pyridinamine | n/a | C6H8N2O | 详情 | 详情 |
(III) | 53288 | 4-amino-5-chloro-2-methoxy-N-(3-methoxy-4-pyridinyl)benzamide | n/a | C14H14ClN3O3 | 详情 | 详情 |
(IV) | 30524 | 3-chloropropyl 4-fluorophenyl ether; 1-(3-chloropropoxy)-4-fluorobenzene; 1-(4-Fluorophenoxy)-3-chloropropane | 1716-42-3 | C9H10ClFO | 详情 | 详情 |
(V) | 53289 | 4-[(4-amino-5-chloro-2-methoxybenzoyl)amino]-1-[3-(4-fluorophenoxy)propyl]-3-methoxypyridinium chloride | n/a | C23H24Cl2FN3O4 | 详情 | 详情 |
Extended Information