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【结 构 式】 
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【药物名称】 【化学名称】N-[3beta-Hydroxylup-20(29)-en-28-oyl]-L-alanine 【CA登记号】 【 分 子 式 】C33H53NO4 【 分 子 量 】527.79466 |
【开发单位】University of Illinois (Originator) 【药理作用】ONCOLYTIC DRUGS |
合成路线1
Title compound was obtained by condensation of betulinic acid (I) with L-alanine methyl ester (II) in the presence of DCC and DMAP, followed by ester hydrolysis of the resulting intermediate (III) with LiOH.
| 【1】 Chai, H.-B.; Jeong, H.-J.; Park, S.-Y.; Kim, D.S.H.L.; Preparation of amino acid conjugates of betulinic acid with activity against human melanoma. Bioorg Med Chem Lett 1999, 9, 8, 1201. |
| 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) | 25809 | (1R,5aR,5bS,7aR,9S,11aR,11bS,13aS,13bS)-9-hydroxy-1-isopropenyl-5b,8,8,11a-tetramethylicosahydro-3aH-cyclopenta[a]chrysene-3a-carboxylic acid | C29H46O3 | 详情 | 详情 | |
| (II) | 20694 | methyl (2S)-2-aminopropanoate | C4H9NO2 | 详情 | 详情 | |
| (III) | 25810 | methyl (2S)-2-([[(1R,5aR,5bS,7aR,9S,11aR,11bS,13aS,13bS)-9-hydroxy-1-isopropenyl-5b,8,8,11a-tetramethylicosahydro-3aH-cyclopenta[a]chrysen-3-yl]carbonyl]amino)propanoate | C33H53NO4 | 详情 | 详情 |
Extended Information