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【结 构 式】

【分子编号】55553

【品名】benzyl (Z)-2-cyano-3-[(phenoxycarbonyl)amino]-3-sulfanyl-2-propenimidoate

【CA登记号】

【 分 子 式 】C18H15N3O3S

【 分 子 量 】353.40152

【元素组成】C 61.18% H 4.28% N 11.89% O 13.58% S 9.07%

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 reaction of malononitrile (I) with benzyl alcohol (II) and HCl in ethyl ether gives 2-cyanoacetimidic acid benzyl ester (III), which is condensed with phenoxycarbonyl isothiocyanate (IV) to yield 2-cyano-3-mercapto-3-(phenoxycarbonylamino)acrylimidic acid benzyl ester (V). Compound (V) is cyclized by means of pyridine and Br2 in acetonitrile to afford the isothiazole derivative (VI). The reaction of (VI) with conc. H2SO4 provides the isothiazole carboxamide (VII), which is condensed with 4-bromo-2,6-difluorophenol (VIII) by means of PPh3 and DEAD in THF to give the aromatic ether (IX). Finally, the carbamic ester group of (IX) is treated with 4-(1-pyrrolidinyl)butylamine (X) to yield the target urea derivative.

1 Larson, E.R.; Noe, M.C.; Gant, T.G. (Pfizer Inc.); Isothiazole derivs. useful as anticancer agents. EP 1084114; JP 2002517384; US 6235764; WO 9962890 .
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) 12061 Malononitrile 109-77-3 C3H2N2 详情 详情
(II) 18710 Benzyl alcohol; Phenylmethanol 100-51-6 C7H8O 详情 详情
(III) 55551 benzyl 2-cyanoethanimidoate C10H10N2O 详情 详情
(IV) 55552 1-[(isothiocyanatocarbonyl)oxy]benzene C8H5NO2S 详情 详情
(V) 55553 benzyl (Z)-2-cyano-3-[(phenoxycarbonyl)amino]-3-sulfanyl-2-propenimidoate C18H15N3O3S 详情 详情
(VI) 55554 phenyl 3-(benzyloxy)-4-cyano-5-isothiazolylcarbamate C18H13N3O3S 详情 详情
(VII) 55555 phenyl 4-(aminocarbonyl)-3-hydroxy-5-isothiazolylcarbamate C11H9N3O4S 详情 详情
(VIII) 55556 4-Bromo-2,6-difluorophenol 104197-13-9 C6H3BrF2O 详情 详情
(IX) 55557 phenyl 4-(aminocarbonyl)-3-(4-bromo-2,6-difluorophenoxy)-5-isothiazolylcarbamate C17H10BrF2N3O4S 详情 详情
(X) 55558 4-Pyrrolidinobutylamine C8H18N2 详情 详情
Extended Information