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【结 构 式】

【药物名称】Tulobuterol hydrochloride, HN-078(patch), C-78, Hokunalin, Berachin

【化学名称】1-(2-Chlorophenyl)-2-tert-butylaminoethanol hydrochloride

【CA登记号】41570-61-0 (free base)

【 分 子 式 】C12H19Cl2NO

【 分 子 量 】264.19733

【开发单位】Abbott (Originator), Mitsubishi Pharma (Originator)

【药理作用】Asthma Therapy, Bronchodilators, RESPIRATORY DRUGS, beta2-Adrenoceptor Agonists

合成路线1

The oxidation of 2-chloroacetophenone (I) with SeO2 in dioxane-water gives 2-chlorophenylglyoxal (II), b.p. 87-90 C/1 mm, which is then reductocondensed with tert-butylamine (III) and NaSH4 in ethanol.

1 Kato, H.; Kurata, S.; Verfahren zur Herstellung con Derivaten des Chlorbenzylalkohols. BE 0788737; DE 2244737; ES 406646; FR 2154082; JP 48034848 .
2 Castaner, J.; Thorpe, P.; C 78. Drugs Fut 1976, 1, 5, 217.
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) 34006 1-(2-chlorophenyl)-1-ethanone 2142-68-9 C8H7ClO 详情 详情
(II) 34007 2-(2-chlorophenyl)-2-oxoacetaldehyde C8H5ClO2 详情 详情
(III) 17895 2-Amino-2-methylpropane; tert-butylamine; 2-methyl-2-propanamine 75-64-9 C4H11N 详情 详情
Extended Information