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【结 构 式】 
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【分子编号】18308 【品名】4,5,6,7-tetrafluoro-2-benzofuran-1,3-dione; Tetrafluorophthalic anhydride 【CA登记号】652-12-0 |
【 分 子 式 】C8F4O3 【 分 子 量 】220.0798128 【元素组成】C 43.66% F 34.53% O 21.81% |
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：(V)Condensation of 3,4-dimethoxybenzaldehyde (I) with malonic acid (II) in the presence of ammonium acetate afforded 3-amino-arylpropionic acid (III), which was esterified with MeOH and SOCl2 to give (IV). Finally, condensation with tetrafluorophthalic anhydride (V) in refluxing AcOH provided the target phthalimide.
| 【1】 Muller, G.W.; Shire, M.G.; Wong, L.M.; Corral, L.G.; Patterson, R.T.; Chen, Y.; Stirling, D.I.; Thalidomide analogs and PDE4 inhibition. Bioorg Med Chem Lett 1998, 8, 19, 2669. |
| 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) | 18304 | 3,4-Dimethoxybenzaldehyde; Veratraldehyde | 120-14-9 | C9H10O3 | 详情 | 详情 |
| (III) | 18306 | 3-(3,4-dimethoxyphenyl)-beta-alanine | C11H15NO4 | 详情 | 详情 | |
| (IV) | 18307 | methyl 3-amino-3-(3,4-dimethoxyphenyl)propanoate hydrochloride | C12H18ClNO4 | 详情 | 详情 | |
| (V) | 18308 | 4,5,6,7-tetrafluoro-2-benzofuran-1,3-dione; Tetrafluorophthalic anhydride | 652-12-0 | C8F4O3 | 详情 | 详情 |
Extended Information