【结 构 式】 |
【分子编号】34313 【品名】2-amino-6-(bromomethyl)-4-quinazolinol 【CA登记号】 |
【 分 子 式 】C9H8BrN3O 【 分 子 量 】254.08614 【元素组成】C 42.54% H 3.17% Br 31.45% N 16.54% O 6.3% |
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)The alkylation of diethyl N-(4-aminobenzoyl)glutamate (I) with propargyl bromide (II) in hot ethanol gives diethyl N-[4-(propargylamino)benzoyl]glutamate (III), which is condensed with 2-amino-6-bromomethyl-4-hydroxyquinazoline (IV) by means of triethylamine in hot 2-ethoxyethanol (or CaCO3 in dimethylacetamide) yielding diethyl N-[4-[N-[(2-amino-4-hydroxy-6-quinazolinyl)methyl]prop-2-ynylamino]benzoyl]-L-glutamate (V). Finally, this compound is saponified with NaOH in ethanol-water.
【1】 Jones, T.R.; Harrap, K.R.; Calvert, A.H.; Anti-cancer quinazoline derivatives. EP 0031237; GB 2065653; US 4447608; US 4564616 . |
【2】 Hopkins, S.J.; Serradell, M.N.; Castaner, J.; CB-3717. Drugs Fut 1984, 9, 12, 893. |
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) | 25036 | Diethyl N-(4-aminobenzoyl)glutamate; diethyl 2-[(4-aminobenzoyl)amino]pentanedioate | C16H22N2O5 | 详情 | 详情 | |
(II) | 11176 | 3-Bromopropyne; 3-Bromo-1-propyne | 106-96-7 | C3H3Br | 详情 | 详情 |
(III) | 34311 | ethyl (2S)-1-[(2R)-2-methyl-3-sulfanylpropanoyl]-2,3-dihydro-1H-indole-2-carboxylate | C15H19NO3S | 详情 | 详情 | |
(IV) | 34312 | diethyl 2-[[4-(2-propynylamino)benzoyl]amino]pentanedioate | C19H24N2O5 | 详情 | 详情 | |
(V) | 34313 | 2-amino-6-(bromomethyl)-4-quinazolinol | C9H8BrN3O | 详情 | 详情 |
Extended Information