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【结 构 式】

【分子编号】60048

【品名】4-chloro-5,7-dihydro-6H-pyrrolo[2,3-d]pyrimidin-6-one

【CA登记号】

【 分 子 式 】C6H4ClN3O

【 分 子 量 】169.57008

【元素组成】C 42.5% H 2.38% Cl 20.91% N 24.78% O 9.44%

与该中间体有关的原料药合成路线共 2 条

合成路线1

该中间体在本合成路线中的序号:(VII)

Condensation of 2-cyano-4,4-diethoxybutyric acid ethyl ester (I) with formamidine hydrochloride (II) in the presence of NaOEt provides the pyrimidine derivative (III). Subsequent hydrolysis of the diethyl acetal of (III) under acidic conditions leads to the pyrrolopyrimidinone (IV). This is converted to the 4-chloro derivative (V) upon treatment with POCl3. Then, oxidation of (V) by means of pyridinium bromide perbromide furnishes the dibromo pyrrolopyridinone (VI), which is further debrominated to (VII) employing zinc dust in AcOH

1 Wei, C.C.; Tang, P.C.; McMahon, G.; Sun, L.; Hirth, K.P.; Liang, C.; Cui, J. (Sugen, Inc.); 4-Substd. 7-aza-indolin-2-ones and their use as protein kinase inhibitors. EP 1244672; WO 0146196 .
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) 14789 ethyl 2-cyano-4,4-diethoxybutanoate C11H19NO4 详情 详情
(II) 15369 Iminoformamide; Methanimidamide 463-52-5 CH4N2 详情 详情
(III) 60044 6-amino-5-(2,2-diethoxyethyl)-4(3H)-pyrimidinone C10H17N3O3 详情 详情
(IV) 60045 3,7-dihydro-4H-pyrrolo[2,3-d]pyrimidin-4-one C6H5N3O 详情 详情
(V) 60046 4-chloro-7H-pyrrolo[2,3-d]pyrimidine;6-Chloro-7-deazapurine;4-chloropyrrolo[2,3-d]pyrimidine;4-Chloro-1H-pyrrolo[2,3-d]pyrimidine 3680-69-1 C6H4ClN3 详情 详情
(VI) 60047 5,5-dibromo-4-chloro-5,7-dihydro-6H-pyrrolo[2,3-d]pyrimidin-6-one C6H2Br2ClN3O 详情 详情
(VII) 60048 4-chloro-5,7-dihydro-6H-pyrrolo[2,3-d]pyrimidin-6-one C6H4ClN3O 详情 详情

合成路线2

该中间体在本合成路线中的序号:(VII)

Vilsmeier formylation of ethyl 4-methylpyrrole-2-carboxylate (VIII) affords aldehyde (IX). The ethyl ester group of (IX) is subsequently hydrolyzed under alkaline conditions to provide acid (X). Coupling of (X) with 4-(2-aminoethyl)morpholine (XI) gives amide (XII). Then, condensation between aldehyde (XII) and lactam (VII) in the presence of piperidine leads to adduct (XIII). The 4-chloro group of (XIII) is finally displaced with 3-chloro-4-fluoroaniline (XIV) in hot NMP to provide the title compound

1 Wei, C.C.; Tang, P.C.; McMahon, G.; Sun, L.; Hirth, K.P.; Liang, C.; Cui, J. (Sugen, Inc.); 4-Substd. 7-aza-indolin-2-ones and their use as protein kinase inhibitors. EP 1244672; WO 0146196 .
中间体序号 中间体编号 品名 CAS号 分子式 供应商 用于合成
(VII) 60048 4-chloro-5,7-dihydro-6H-pyrrolo[2,3-d]pyrimidin-6-one C6H4ClN3O 详情 详情
(VIII) 60049 ethyl 4-methyl-1H-pyrrole-2-carboxylate C8H11NO2 详情 详情
(IX) 60050 ethyl 5-formyl-4-methyl-1H-pyrrole-2-carboxylate C9H11NO3 详情 详情
(X) 60051 5-formyl-4-methyl-1H-pyrrole-2-carboxylic acid C7H7NO3 详情 详情
(XI) 12880 4-(2-Aminoethyl)morpholine; 2-(4-Morpholinyl)ethylamine; 2-(4-Morpholinyl)-1-ethanamine; N-(2-Aminoethyl)morpholine; N-Morpholine ethanamide 2038-03-1 C6H14N2O 详情 详情
(XII) 59999 5-formyl-4-methyl-N-[2-(4-morpholinyl)ethyl]-1H-pyrrole-2-carboxamide C13H19N3O3 详情 详情
(XIII) 59998 5-[(4-chloro-6-oxo-6,7-dihydro-5H-pyrrolo[2,3-d]pyrimidin-5-ylidene)methyl]-4-methyl-N-[2-(4-morpholinyl)ethyl]-1H-pyrrole-2-carboxamide C19H21ClN6O3 详情 详情
(XIV) 18688 3-Chloro-4-fluorophenylamine; 3-Chloro-4-fluoroaniline 367-21-5 C6H5ClFN 详情 详情
Extended Information