【结 构 式】 |
【分子编号】28069 【品名】vinyl (1R,5S)-3-[[(1-methyl-1H-indazol-3-yl)carbonyl]amino]-9-azabicyclo[3.3.1]nonane-9-carboxylate 【CA登记号】 |
【 分 子 式 】C20H24N4O3 【 分 子 量 】368.43572 【元素组成】C 65.2% H 6.57% N 15.21% O 13.03% |
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)A synthesis of [11C]-granisetron has been published: The desmethylation of granisetron (I) with vinyl chloroformate in refluxing dichloroethane gives the intermediate vinyl ester (II), which is decarboxylated with dry HCl in dichloromethane yielding the desmethylgranisetron (III). Finally, this compound is methylated with [11C]-methyl iodide and NaOH in DMF at 145 C.
【1】 Vandersteene, I.; Dierckx, R.A.; Slegers, G.; Audenaert, K.; Synthesis of [C-11]granisetron, a possible positron emission tomography ligand for 5-HT3 receptor studies. J Label Compd Radiopharm 1998, 41, 3, 171. |
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) | 28068 | 1-[(Chlorocarbonyl)oxy]ethylene; Vinyl chloroformate | 5130-24-5 | C3H3ClO2 | 详情 | 详情 |
(I) | 28067 | Granisetron; 1-Methyl-N-[(1R,5S)-9-methyl-9-azabicyclo[3.3.1]non-3-yl]-1H-indazole-3-carboxamide | C18H24N4O | 详情 | 详情 | |
(II) | 28069 | vinyl (1R,5S)-3-[[(1-methyl-1H-indazol-3-yl)carbonyl]amino]-9-azabicyclo[3.3.1]nonane-9-carboxylate | C20H24N4O3 | 详情 | 详情 | |
(III) | 28070 | N-[(1R,5S)-9-azabicyclo[3.3.1]non-3-yl]-1-methyl-1H-indazole-3-carboxamide | C17H22N4O | 详情 | 详情 |
Extended Information