【结 构 式】 |
【分子编号】35383 【品名】(2R)-2-[[(2S)-3-(benzoylsulfanyl)-2-methylpropanoyl]amino]-3-[(4-cyclohexylbenzyl)sulfanyl]propionic acid 【CA登记号】 |
【 分 子 式 】C27H33NO4S2 【 分 子 量 】499.69536 【元素组成】C 64.9% H 6.66% N 2.8% O 12.81% S 12.83% |
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:(VII)The esterification of 3-(benzoylsulfanyl)-2(S)-methylpropionic acid with 4-nitrophenol (II) by means of DCC in dichloromethane gives the corresponding ester (III), which is condensed with S-(4-cyclohexylbenzyl)-L-cysteine (IV) (obtained by alkylation of L-cysteine (V) with 4-cyclohexylbenzyl bromide (VI)) to yield the corresponding amide (VII). Finally, this compound is debenzoylated by a treatment with aqueous NH4OH.
【1】 Horiuchi, M.; Fujimura, K.; Suhara, H. (Santen Pharmaceutical Co., Ltd.); Novel sulfur-containing amino acid derivs.. EP 0947502; JP 1998130225; US 6046235; WO 9809943 . |
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) | 35379 | (2S)-3-(benzoylsulfanyl)-2-methylpropionic acid | C11H12O3S | 详情 | 详情 | |
(II) | 11236 | 4-Nitrophenol; p-Nitrophenol | 100-02-7 | C6H5NO3 | 详情 | 详情 |
(III) | 35380 | 4-nitrophenyl (2S)-3-(benzoylsulfanyl)-2-methylpropanoate | C17H15NO5S | 详情 | 详情 | |
(IV) | 35381 | (2R)-2-amino-3-[(4-cyclohexylbenzyl)sulfanyl]propionic acid | C16H23NO2S | 详情 | 详情 | |
(V) | 14643 | L-cysteine; (R)-2-Amino-3-mercaptopropionic acid | 52-90-4 | C3H7NO2S | 详情 | 详情 |
(VI) | 35382 | 1-(bromomethyl)-4-cyclohexylbenzene | C13H17Br | 详情 | 详情 | |
(VII) | 35383 | (2R)-2-[[(2S)-3-(benzoylsulfanyl)-2-methylpropanoyl]amino]-3-[(4-cyclohexylbenzyl)sulfanyl]propionic acid | C27H33NO4S2 | 详情 | 详情 |
Extended Information