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【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%

与该中间体有关的原料药合成路线共 5 条

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.
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) 52312 2-(4-Isobutylphenyl)propionic acid; Ibuprofen 15687-27-1 C13H18O2 详情 详情
(II) 22117 2-(4-isobutylphenyl)propanoyl chloride C13H17ClO 详情 详情
(III) 10259 Ethanol amine;Ethanolamine;2-Aminoethanol; 2-Amino-1-ethanol;2-Aminoethyl alcohol 141-43-5 C2H7NO 详情 详情

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
Extended Information