【结 构 式】 |
【分子编号】38889 【品名】methyl (2S)-3-phenyl-2-([[(5-thioxo-4,5-dihydro-1,3,4-thiadiazol-2-yl)amino]carbonyl]amino)propanoate 【CA登记号】 |
【 分 子 式 】C13H14N4O3S2 【 分 子 量 】338.41132 【元素组成】C 46.14% H 4.17% N 16.56% O 14.18% S 18.95% |
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:(IV)The reaction of L-phenylalanine methyl ester (I) with phosgene and pyridine in dichloromethane gives the isocyanate (II) (1), which is condensed with 5-amino-1,3,4-thiadiazol-2(3H)-thione (III) in THF to yield the urea (IV). Finally, this compound is treated with methylamine in ethanol to affords the target compound.
【1】 Mitchell, M.A.; Hendges, S.K.; Jacobsen, E.J.; et al.; Synthesis of a series of stromelysin-selective thiadiazole urea matrix metalloproteinase inhibitors. J Med Chem 1999, 42, 9, 1525. |
【2】 Jacobsen, E.J.; Mitchell, M.A.; Schostarez, H.J.; Harper, D.E. (Pharmacia & Upjohn AB); Thiadiazolyl(thio)ureas useful as matrix metalloprotease inhibitors. EP 0900211; JP 2000509039; WO 9740031 . |
【3】 Mitchell, M.A.; Schostarez, H.J.; Harper, D.E.; Jacobsen, E.J. (Pharmacia Corp.); Thiadiazole derivs. useful for the treatment of diseases related to connective tissue degradation. US 5847148 . |
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) | 12324 | methyl (2R)-2-amino-3-phenylpropanoate | 21685-51-8 | C10H13NO2 | 详情 | 详情 |
(II) | 38888 | methyl (2S)-2-isocyanato-3-phenylpropanoate | 40203-94-9 | C11H11NO3 | 详情 | 详情 |
(III) | 24397 | 5-amino-1,3,4-thiadiazole-2(3H)-thione | 2349-67-9 | C2H3N3S2 | 详情 | 详情 |
(IV) | 38889 | methyl (2S)-3-phenyl-2-([[(5-thioxo-4,5-dihydro-1,3,4-thiadiazol-2-yl)amino]carbonyl]amino)propanoate | C13H14N4O3S2 | 详情 | 详情 |
Extended Information