【结 构 式】 |
【分子编号】39613 【品名】methyl 5-[2-[benzyl(tert-butyl)amino]acetyl]-2-hydroxybenzoate 【CA登记号】 |
【 分 子 式 】C21H25NO4 【 分 子 量 】355.43384 【元素组成】C 70.96% H 7.09% N 3.94% O 18.01% |
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:(III)The reaction of methyl 5-bromoacetylsalicylate (I) with benzyl tert-butylamine (II) in methyl ethyl ketone gives methyl 5-(N-benzyl-N-tert-butyl-gycyl)salicylate (III), which is reduced with LiAlH4 in refluxing THF yielding alpha'-(N-benzyl-N-tert-butylami-nomethyl)-4-hydroxy-m-xylene-alpha,alpha'-diol (IV). Finally, this compound is debenzylated by hydrogenation with H2 over Pd/C in ethanol-water.
【1】 Castaner, J.; Blancafort, P.; Serradell, M.N.; Hopkins, S.J.; Albuterol. Drugs Fut 1979, 4, 9, 629. |
【2】 Lunts, L.H.C.; et al.; GB 1200886 . |
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) | 35836 | methyl 5-(2-bromoacetyl)-2-hydroxybenzoate | C10H9BrO4 | 详情 | 详情 | |
(II) | 24700 | N-benzyl-2-methyl-2-propanamine | 3378-72-1 | C11H17N | 详情 | 详情 |
(III) | 39613 | methyl 5-[2-[benzyl(tert-butyl)amino]acetyl]-2-hydroxybenzoate | C21H25NO4 | 详情 | 详情 | |
(IV) | 39614 | 4-[2-[benzyl(tert-butyl)amino]-1-hydroxyethyl]-2-(hydroxymethyl)phenol | C20H27NO3 | 详情 | 详情 |
Extended Information