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【结 构 式】 
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【药物名称】Ioflupane (123I), [123I]FP-CIT, [123I]beta-CIT-FP, DatScan 【化学名称】(1R,2S,3S,5S)-8-(3-Fluoropropyl)-3-(4-[123I]iodophenyl)-8-azabicyclo[3.2.1]octane-2-carboxylic acid methyl ester 【CA登记号】155798-07-5 【 分 子 式 】C18H23FINO2 【 分 子 量 】427.38791 |
【开发单位】Amersham (Originator), Nihon Medi-Physics (Codevelopment) 【药理作用】DIAGNOSTIC AGENTS, Radiopharmaceuticals, Radiopharmaceuticals for Brain Imaging, Drugs Acting on Dopamine Receptors |
合成路线1
3beta-(4-Iodophenyl)nortropane-2beta-carboxylic acid methyl ester (I) was alkylated with 1-bromo-3-fluoropropane (II) in triethylamine to give the N-fluoropropyl derivative (III). Stannylation of the iodophenyl ring of (III) by Pd(0)-catalyzed reaction with hexamethylditin afforded the corresponding 4-(trimethylstannyl)phenyl tropane (IV). The 123I-labeled compound was then prepared by iododestannylation of (IV) with Na[123I] in the presence of peracetic acid.
| 【1】 Gao, Y.; Baldessarini, R.J.; Innis, R.B.; Zea-Ponce, Y.; Baldwin, R.M.; Campbell, A.; Neumeyer, J.L.; Kula, N.S.; Wang, S.; Milius, R.A.; N-omega-Fluoroalkyl analogs of (1R)-2beta-carbomethoxy-3beta-(4-iodophenyl)-tropane (beta-CIT): Radiotracers for positron emission tomography and single photon emission computed tomography imaging of dopamine transporters. J Med Chem 1994, 37, 11, 1558. |
| 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) | 38868 | methyl (1S,2S,3S,5R)-3-(4-iodophenyl)-8-azabicyclo[3.2.1]octane-2-carboxylate | C15H18INO2 | 详情 | 详情 | |
| (II) | 19812 | 1-bromo-3-fluoropropane | 352-91-0 | C3H6BrF | 详情 | 详情 |
| (III) | 38869 | methyl (1S,2S,3S,5R)-8-(3-fluoropropyl)-3-(4-iodophenyl)-8-azabicyclo[3.2.1]octane-2-carboxylate | C18H23FINO2 | 详情 | 详情 | |
| (IV) | 38870 | methyl (1S,2S,3S,5R)-8-(3-fluoropropyl)-3-[4-(trimethylstannyl)phenyl]-8-azabicyclo[3.2.1]octane-2-carboxylate | C21H32FNO2Sn | 详情 | 详情 |