Process for the preparation of (S)-(+)-10,11-Dihydro-10-hydroxy-5H-dibenz (B,F) azepine-5-carboxamide
    2.
    发明申请
    Process for the preparation of (S)-(+)-10,11-Dihydro-10-hydroxy-5H-dibenz (B,F) azepine-5-carboxamide 有权
    制备(S) - (+) - 10,11-二氢-10-羟基-5H-二苯并(B,F)吖庚因-5-甲酰胺的方法

    公开(公告)号:US20090105472A1

    公开(公告)日:2009-04-23

    申请号:US11791582

    申请日:2005-11-15

    IPC分类号: C07D223/18

    CPC分类号: C07D223/28 C07D223/30

    摘要: (S)-(+)-10,11-Dihydro-10-hydroxy-5H-dibenz[b,f]azepine-5-carboxyamide is prepared starting from racemic 5-cyano-10,11-dihydro-10-hydroxy-5H-dibenz[b,f]azepine by phthaloylation, separation of the diastereomeric salts of the phthaloyl derivative with (S)-phenylethylamine, hydrolysis of the (S, S) salt to (S)-(+)-5-cyano-10,11-dihydro-10-hydroxy-5H-dibenz[b,f]azepine and hydrolysis of the nitrile group of the latter to amido group, by treatment with peroxy compounds in alkali medium.

    摘要翻译: (S) - (+) - 10,11-二氢-10-羟基-5H-二苯并[b,f]吖庚因-5-甲酰胺由外消旋的5-氰基-10,11-二氢-10-羟基 - (S) - 苯基乙胺分离邻苯二甲酰基衍生物的非对映体盐,(S) - (+) - 5-氰基 - 10,11-二氢-10-羟基-5H-二苯并[b,f]吖庚因,后者的腈基通过在碱性介质中用过氧化合物处理而水解成酰胺基。

    Process for the preparation of (S)-(+)-10,11-dihydro-10-hydroxy-5H-dibenz (b,f)azepine-5-carboxamide
    4.
    发明授权
    Process for the preparation of (S)-(+)-10,11-dihydro-10-hydroxy-5H-dibenz (b,f)azepine-5-carboxamide 有权
    制备(S) - (+) - 10,11-二氢-10-羟基-5H-二苯并(b,f)吖庚因-5-甲酰胺的方法

    公开(公告)号:US07858780B2

    公开(公告)日:2010-12-28

    申请号:US11791582

    申请日:2005-11-15

    IPC分类号: C07D223/28

    CPC分类号: C07D223/28 C07D223/30

    摘要: (S)-(+)-10,11-Dihydro-10-hydroxy-5H-dibenz[b,f]azepine-5-carboxyamide is prepared starting from racemic 5-cyano-10,11-dihydro-10-hydroxy-5H-dibenz[b,f]azepine by phthaloylation, separation of the diastereomeric salts of the phthaloyl derivative with (S)-phenylethylamine, hydrolysis of the (S, S) salt to (S)-(+)-5-cyano-10,11-dihydro-10-hydroxy-5H-dibenz[b,f]azepine and hydrolysis of the nitrile group of the latter to amido group, by treatment with peroxy compounds in alkali medium.

    摘要翻译: (S) - (+) - 10,11-二氢-10-羟基-5H-二苯并[b,f]吖庚因-5-甲酰胺由外消旋的5-氰基-10,11-二氢-10-羟基 - (S) - 苯基乙胺分离邻苯二甲酰基衍生物的非对映体盐,(S) - (+) - 5-氰基 - 10,11-二氢-10-羟基-5H-二苯并[b,f]吖庚因,后者的腈基通过在碱性介质中用过氧化合物处理而水解成酰胺基。

    Process for the preparation of metaxalone
    5.
    发明授权
    Process for the preparation of metaxalone 有权
    制备美沙酮的方法

    公开(公告)号:US06538142B1

    公开(公告)日:2003-03-25

    申请号:US10124474

    申请日:2002-04-18

    IPC分类号: C07D26304

    CPC分类号: C07D263/24

    摘要: A process for the preparation of 5-(3,5-dimethylphenoxymethyl)-2-oxazolidinone, which includes: a) reacting 3,5-dimethylphonel with epichlorohydrin to obtain a mixture of 1-(3,5-dimethylphenoxy)2,3-epoxy propane (1) and 1-(3,5-dimethylphenoxy)-3-chloro-2-propanol (2); b) reacting the mixture of (1) and (2) obtained from step (a) with benzylamine to obtain a first compound; c) reducing the first compound with hydrogen in presence of ammonia, to obtain a second compound; and d) reacting the second compound with dimethylcarbonate in the presence of a strong base to obtain 5-(3,5-dimethlphenoxymethyl)-2-oxazolidinone.

    摘要翻译: 制备5-(3,5-二甲基苯氧基甲基)-2-恶唑烷酮的方法,其包括:a)使3,5-二甲基菲酮与表氯醇反应,得到1-(3,5-二甲基苯氧基) - 环氧丙烷(1)和1-(3,5-二甲基苯氧基)-3-氯-2-丙醇(2); b)将得自步骤(a)的(1)和(2)的混合物与苄胺反应 获得第一化合物; c)在氨存在下用氢还原第一化合物,得到第二化合物; 和d)在强碱存在下使第二化合物与碳酸二甲酯反应,得到5-(3,5-二甲基苯氧基甲基)-2-恶唑烷酮。