Process for producing 1-bromo-4-phenylbutane
    3.
    发明授权
    Process for producing 1-bromo-4-phenylbutane 失效
    1-溴-4-苯基丁烷的制备方法

    公开(公告)号:US6037509A

    公开(公告)日:2000-03-14

    申请号:US289385

    申请日:1999-04-12

    CPC分类号: C07C17/35 C07C22/04 C07C45/46

    摘要: A process for producing 1-bromo-4-phenylbutane of the formula (1): ##STR1## which is characterized by the steps of; reacting 4-bromobutyryl halide of the formula (2): ##STR2## where X is a halogen atom, with benzene in the presence of a Lewis acid to give a 4-bromobutyrophenone of the formula (3): ##STR3## and reacting 4-bromobutyrophenone compound of the formula (3) with hydrogen in the presence of a metal catalyst.

    摘要翻译: 一种制备式(1)的1-溴-4-苯基丁烷的方法:其特征在于以下步骤: 使式(2)的4-溴丁酰卤(其中X是卤素原子)与苯在路易斯酸存在下反应,得到式(3)的4-溴丁酰苯:并使式(4)的4-溴丁酰苯化合物与式 (3)与氢气在金属催化剂存在下反应。

    Process for preparing aromatic amide compound
    4.
    发明授权
    Process for preparing aromatic amide compound 失效
    制备芳香族酰胺化合物的方法

    公开(公告)号:US5675036A

    公开(公告)日:1997-10-07

    申请号:US673441

    申请日:1996-06-28

    IPC分类号: C07C67/31 C07C231/02

    CPC分类号: C07C231/02 C07C67/31

    摘要: 3-�4-(4-Phenyl-1-butoxy)benzoyl!amino-2-hydroxyacetophenone is prepared by reacting a benzoate ester with a halobutylbenzene in the presence of a basic compound and an aprotic polar compound in an aromatic hydrocarbon solvent to obtain a corresponding ether, alkali hydrolyzing the ether in an aromatic hydrocarbon solvent and precipitating a hydrolysate with an acid to obtain 4-(4-phenyl-1-butoxy)benzoic acid, reacting a halogenating agent with this benzoic acid derivative in an aromatic hydrocarbon solvent to obtain an acid halide, and reacting the acid halide in an aromatic hydrocarbon solvent with a corresponding aromatic amine.

    摘要翻译: 通过苯甲酸酯与卤代丁基苯在碱性化合物和非质子极性化合物存在下在芳族烃溶剂中反应制备3- [4-(4-苯基-1-丁氧基)苯甲酰基]氨基-2-羟基苯乙酮,得到 相应的醚,在芳族烃溶剂中碱解水解醚并用酸沉淀水解产物,得到4-(4-苯基-1-丁氧基)苯甲酸,将卤代剂与该苯甲酸衍生物在芳族烃溶剂 以获得酰卤,并使芳族烃溶剂中的酰卤与相应的芳族胺反应。