【结 构 式】 |
【分子编号】27745 【品名】N-(cyclopropylmethyl)-1-propanamine 【CA登记号】26389-60-6 |
【 分 子 式 】C7H15N 【 分 子 量 】113.20284 【元素组成】C 74.27% H 13.36% N 12.37% |
合成路线1
该中间体在本合成路线中的序号:(IV)The condensation of 4,6-dichloro-2-methylpyrimidine (I) with 2,4,6-trichloroaniline (II) by means of NaH in THF gives N-(6-chloro-2-methylpyrimidin-4-yl)-N-(2,4,6-trichlorophenyl)amine (III), which is condensed with N-(cyclopropylmethyl)-N-propylamine (IV) by heating at 100-190 C yielding N-(cyclopropylmethyl)-N-[2-methyl-6-(2,4,6-trichlorophenylamino)-pyrimidin-4-yl]-N-propylamine (V). Finally, this compound is chlorinated with N-chlorosuccinimide (NCS) in refluxing chloroform.
【1】 Dagnino, R. jr.; Chen, C.; de Souzza, E.B.; et al.; Design and synthesis of a series of non-peptide high-affinity human corticotropin-releasing factor1 receptor antagonists. J Med Chem 1996, 39, 22, 4360. |
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) | 32323 | 4,6-dichloro-2-methylpyrimidine | 1780-26-3 | C5H4Cl2N2 | 详情 | 详情 |
(II) | 15466 | 2,4,6-Trichloroaniline; 2,4,6-Trichlorophenylamine | 634-93-5 | C6H4Cl3N | 详情 | 详情 |
(III) | 32324 | N-(6-chloro-2-methyl-4-pyrimidinyl)-N-(2,4,6-trichlorophenyl)amine; 6-chloro-2-methyl-N-(2,4,6-trichlorophenyl)-4-pyrimidinamine | C11H7Cl4N3 | 详情 | 详情 | |
(IV) | 27745 | N-(cyclopropylmethyl)-1-propanamine | 26389-60-6 | C7H15N | 详情 | 详情 |
(V) | 32325 | N-(cyclopropylmethyl)-N-[2-methyl-6-(2,4,6-trichloroanilino)-4-pyrimidinyl]-N-propylamine; N(4)-(cyclopropylmethyl)-2-methyl-N(4)-propyl-N(6)-(2,4,6-trichlorophenyl)-4,6-pyrimidinediamine | C18H21Cl3N4 | 详情 | 详情 |
合成路线2
该中间体在本合成路线中的序号:(VIII)Suzuki coupling of 2-bromoaniline (I) with boronic acid (II) in the presence of a palladium catalyst gave biphenyl (III). Subsequent condensation of (III) with ethyl acetoacetate (IV) afforded enamine (V), which was cyclized to hydroxyquinoline (VI) in refluxing diphenyl ether. Chlorination of (VI) in boiling POCl3 produced the corresponding 4-chloroquinoline (VII). This was finally condensed with N-(cyclopropylmethyl)-N--propylamine (VIII) to provide the target aminoquinoline.
【1】 Huang, C.; Chen, C.; McCarthy, J.R.; Haddach, M.; Wilcoxen, K.M. (Janssen Pharmaceutica NV; Neurocrine Biosciences Inc.); CRF antagonistic quino- and quinazolines. EP 0977737; WO 9847874 . |
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) | 27739 | 2-bromoaniline | 615-36-1 | C6H6BrN | 详情 | 详情 |
(II) | 27740 | mesitylboronic acid | 5980-97-2 | C9H13BO2 | 详情 | 详情 |
(III) | 27741 | 2',4',6'-trimethyl[1,1'-biphenyl]-2-amine | C15H17N | 详情 | 详情 | |
(IV) | 11819 | ethyl acetoacetate; ethyl 3-oxobutanoate;Acetoacetic ester;Ethyl beta-ketobutyrate;ethyl 3-oxobutyrate | 141-97-9 | C6H10O3 | 详情 | 详情 |
(V) | 27742 | ethyl (E)-3-(2-mesitylanilino)-2-butenoate | C21H25NO2 | 详情 | 详情 | |
(VI) | 27743 | 8-mesityl-2-methyl-4-quinolinol | C19H19NO | 详情 | 详情 | |
(VII) | 27744 | 4-chloro-8-mesityl-2-methylquinoline | C19H18ClN | 详情 | 详情 | |
(VIII) | 27745 | N-(cyclopropylmethyl)-1-propanamine | 26389-60-6 | C7H15N | 详情 | 详情 |
合成路线3
该中间体在本合成路线中的序号:(IV)Condensation between 4,6-dichloro-2-methylpyrimidine (I) and 2,6-dichloro-4-iodoaniline (II) in the presence of NaH in THF furnished the diaryl amine (III). The remaining chlorine atom was displaced with N-(cyclopropylmethyl)propylamine (IV) in hot DMSO to yield (V). Finally, chlorination of the pyrimidine ring with N-chlorosuccinimide (NCS) afforded the target 4-iodo derivative.
【1】 Hsin, L.-W.; Webster, E.L.; Tian, X.; et al.; The development of a potential single photon emission computed tomography (SPECT) imaging agent for the corticotropin-releasing hormone receptor type 1. Bioorg Med Chem Lett 2001, 11, 3, 331. |
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) | 32323 | 4,6-dichloro-2-methylpyrimidine | 1780-26-3 | C5H4Cl2N2 | 详情 | 详情 |
(II) | 51390 | 2,6-dichloro-4-iodophenylamine; 2,6-dichloro-4-iodoaniline | C6H4Cl2IN | 详情 | 详情 | |
(III) | 51391 | N-(6-chloro-2-methyl-4-pyrimidinyl)-N-(2,6-dichloro-4-iodophenyl)amine; 6-chloro-N-(2,6-dichloro-4-iodophenyl)-2-methyl-4-pyrimidinamine | C11H7Cl3IN3 | 详情 | 详情 | |
(IV) | 27745 | N-(cyclopropylmethyl)-1-propanamine | 26389-60-6 | C7H15N | 详情 | 详情 |
(V) | 51392 | N-(cyclopropylmethyl)-N-[6-(2,6-dichloro-4-iodoanilino)-2-methyl-4-pyrimidinyl]-N-propylamine; N(4)-(cyclopropylmethyl)-N(6)-(2,6-dichloro-4-iodophenyl)-2-methyl-N(4)-propyl-4,6-pyrimidinediamine | C18H21Cl2IN4 | 详情 | 详情 |