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【结 构 式】

【分子编号】22654

【品名】2-pyrrolidinecarboxamide

【CA登记号】2812-47-7

【 分 子 式 】C5H10N2O

【 分 子 量 】114.14728

【元素组成】C 52.61% H 8.83% N 24.54% O 14.02%

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:(II)

a) N-Protected L-Leucine activated as the pentafluorophenyl ester (I) is coupled with L-prolinamide (II), and the resulting dipeptide (III) is deprotected te (IV) and coupled with L-pyro-2-aminoadipic acid pentatluorophenyl ester (V) to give RGH-2202.

1 Kisfaludy, L.; Szporny, L.; Pálosi, É.; Szirtes, T.; Synthesis of thyrotropin-releasing hormone analogu. J Med Chem 1986, 29, 1654.
2 Szirtes, T.; Szporny, L.; Pálosi, É.; Kisfaludy, L.; Synthesis of thyrotropin releasing hormone analogu. J Med Chem 1984, 27, 741.
3 Nogradi, M.; RGH-2202. Drugs Fut 1988, 13, 5, 420.
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) 22653 2,3,4,5,6-pentafluorophenyl 2-[[(benzyloxy)carbonyl]amino]-4-methylpentanoate C20H18F5NO4 详情 详情
(II) 22654 2-pyrrolidinecarboxamide 2812-47-7 C5H10N2O 详情 详情
(III) 22655 benzyl 1-[[2-(aminocarbonyl)-1-pyrrolidinyl]carbonyl]-3-methylbutylcarbamate C19H27N3O4 详情 详情
(IV) 22656 1-[2-(aminocarbonyl)-1-pyrrolidinyl]-4-methyl-1-oxo-2-pentanaminium chloride C11H22ClN3O2 详情 详情
(V) 22657 2,3,4,5,6-pentafluorophenyl (2S)-6-oxo-2-piperidinecarboxylate C12H8F5NO3 详情 详情

合成路线2

该中间体在本合成路线中的序号:(III)

The esterification of proline (I) with SOCl2 and ethanol gives ethyl prolinate (II), which by treatment with NH3 in methanol is converted into prolinamide (III). The acylation of (III) with cyclopropylcarbonyl chloride (IV) by means of K2CO3 in acetone yields 1-cyclopropylcarbonyl-2-carbamoylpyrrolidine (V), which is reduced with LiAlH4 in ether to afford 1-cyclopropylmethyl-2-aminomethylpyrrolidine (VI) (1,2). Finally this compound is condensed with ethyl 5-sulfamoyl-2-methoxybenzoate (VII) by heating at 120 C

1 Kaplan, J.P.; et al. (Synthelabo, S.A.); BE 857544; DE 2735036; FR 2360572; FR 2372157; FR 2395261; GB 1555890; JP 7825563; NL 7708571; ZA 7704743 .
2 Kaplan, J.P.; et al. (Synthelabo, S.A.); BE 836752; CA 1039731; CH 612668; DE 2556457; FR 2294698; FR 2327771; FR 2331345; GB 1508880; JP 7748661; NL 7514620; US 4021567; US 4156060; US 4172143; US 4189495; ZA 7507828 .
3 (Synthelabo, S.A.); BE 861866; FR 2394529; GB 1560019; JP 7905969; NL 7713631; ZA 7706950 .
4 Blancafort, P.; Serradell, M.N.; Castaner, J.; Hillier, K.; Cipropride. Drugs Fut 1981, 6, 4, 220.
5 Obitz, D.C.L. (Synthelabo, S.A.); FR 2393794 .
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) 61051 ethyl 2-pyrrolidinecarboxylate C5H9NO2 详情 详情
(II) 61052 ethyl 2-pyrrolidinecarboxylate C7H13NO2 详情 详情
(III) 22654 2-pyrrolidinecarboxamide 2812-47-7 C5H10N2O 详情 详情
(IV) 14601 N-(2-oxo-2-phenylethyl)acetamide C10H11NO2 详情 详情
(V) 61053 1-(cyclopropylcarbonyl)-2-pyrrolidinecarboxamide C9H14N2O2 详情 详情
(VI) 61054 [1-(cyclopropylmethyl)-2-pyrrolidinyl]methanamine; [1-(cyclopropylmethyl)-2-pyrrolidinyl]methylamine C9H18N2 详情 详情
(VII) 61055 ethyl 5-(aminosulfonyl)-2-methoxybenzoate C10H13NO5S 详情 详情
Extended Information