【结 构 式】 |
【分子编号】22117 【品名】2-(4-isobutylphenyl)propanoyl chloride 【CA登记号】 |
【 分 子 式 】C13H17ClO 【 分 子 量 】224.73008 【元素组成】C 69.48% H 7.62% Cl 15.78% O 7.12% |
合成路线1
该中间体在本合成路线中的序号:(III)This compound can be obtained in two different ways: 1) By reaction of 2-(p-isobutylphenyl)propionic acid sodium salt (I) with 2-pyridylmethyl chloride (II) in refluxing benzene. 2) By reaction of 2-(p-isobutylphenyl)propionyl chloride (III) with 2-pyridylmethanol (IV) by means of triethylamine in THF.
【1】 Noda, K.; Nakagawa, A.; Ishikura, Y.; Tosu, S.; Ide, H. (Hisamitsu Pharmaceutical Co., Ltd.); Pyridylalkyl esters of 2-(p-isobutylphenyl)acetic acid and propionic acids and use. US 4150137 . |
【2】 Castaner, J.; Blancafort, P.; Serradell, M.N.; Pineprofen. Drugs Fut 1982, 7, 6, 401. |
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) | 31961 | sodium 2-(4-isobutylphenyl)propanoate | C13H17NaO2 | 详情 | 详情 | |
(II) | 26187 | 2-(Chloromethyl)pyridine | 4377-33-7 | C6H6ClN | 详情 | 详情 |
(III) | 22117 | 2-(4-isobutylphenyl)propanoyl chloride | C13H17ClO | 详情 | 详情 | |
(IV) | 30208 | 2-pyridinylmethanol;pyridin-2-ylmethanol;2-pyridylmethanol | 586-98-1 | C6H7NO | 详情 | 详情 |
合成路线2
该中间体在本合成路线中的序号:(IV)1) The condensation of a phenylpiperazine (I) with chloroethanol (II) gives compound (III) which, upon reaction with the acid chloride (IV), yields lobuprofen.
【1】 Alamo Gonzalez, C.; Carretero Colon, J.M.; Martin Jimenez, J.L. (Juste, SA Quimico-Farmaceutica); Novel phenylpiperazine derivs., process for prepar. EP 0141884 . |
【2】 Carretero, J.M.; Alamo, C.; Martin, J.L.; Lobuprofen hydrochloride. Drugs Fut 1988, 13, 4, 314. |
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) | 22114 | 1-(3-chlorophenyl)piperazine | 6640-24-0 | C10H13ClN2 | 详情 | 详情 |
(II) | 10384 | 2-Chloro-1-ethanol; Ethylene chlorohydrin | 107-07-3 | C2H5ClO | 详情 | 详情 |
(III) | 22116 | 2-[4-(3-chlorophenyl)-1-piperazinyl]-1-ethanol | C12H17ClN2O | 详情 | 详情 | |
(IV) | 22117 | 2-(4-isobutylphenyl)propanoyl chloride | C13H17ClO | 详情 | 详情 |
合成路线3
该中间体在本合成路线中的序号:(IV)2) The acid chloride (IV) is reacted with chloroethanol to give compound (V), which, upon condensation with a piperazine (I), yields lobuprofen.
【1】 Alamo Gonzalez, C.; Carretero Colon, J.M.; Martin Jimenez, J.L. (Juste, SA Quimico-Farmaceutica); Novel phenylpiperazine derivs., process for prepar. EP 0141884 . |
【2】 Prous, J.; Castaner, J.; ONO-RS-411. Drugs Fut 1988, 13, 4, 317. |
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) | 22114 | 1-(3-chlorophenyl)piperazine | 6640-24-0 | C10H13ClN2 | 详情 | 详情 |
(II) | 10384 | 2-Chloro-1-ethanol; Ethylene chlorohydrin | 107-07-3 | C2H5ClO | 详情 | 详情 |
(IV) | 22117 | 2-(4-isobutylphenyl)propanoyl chloride | C13H17ClO | 详情 | 详情 | |
(V) | 22118 | 2-chloroethyl 2-(4-isobutylphenyl)propanoate | C15H21ClO2 | 详情 | 详情 |
合成路线4
该中间体在本合成路线中的序号:(II)Formation in anhydrous medium of the acyl halide (II) of dl-2-(4'-isobutylphenyl)propionic acid (I) with phosphorous or sulfur halides or oxyhalides, and the subsequent reaction in anhydrous medium with beta-hydroxyethylamine (III) to give N-(beta-hydroxyethyl)-dl-2-(4’-isobutylphenyl)propionamide.
【1】 McKenney, D.; et al.; Aminoprofen. Drugs Fut 1981, 6, 10, 599. |
合成路线5
该中间体在本合成路线中的序号:(IV)The furazanyloxypropanol derivative (III) was obtained by condensation of 3,4-bis(benzenesulfonyl)furoxan (I) with 1,3-propanediol (II) in the presence of NaOH. Subsequent acylation of alcohol (III) with ibuprofen acid chloride (IV) provided the corresponding ibuprofen ester.
【1】 Lolli, M.L.; et al.; A new class of ibuprofen derivatives with reduced gastrotoxicity. J Med Chem 2001, 44, 21, 3463. |
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) | 52494 | 3,4-bis(phenylsulfonyl)-1,2,5-oxadiazol-2-ium-2-olate | C14H10N2O6S2 | 详情 | 详情 | |
(II) | 14685 | 1,3-propanediol; Trimethylene Glycol | 504-63-2 | C3H8O2 | 详情 | 详情 |
(III) | 52495 | 4-[(3-hydroxypropyl)oxy]-3-(phenylsulfonyl)-1,2,5-oxadiazol-2-ium-2-olate | C11H12N2O6S | 详情 | 详情 | |
(IV) | 22117 | 2-(4-isobutylphenyl)propanoyl chloride | C13H17ClO | 详情 | 详情 |