Process for the preparation of an optically pure aminoalcohol
    3.
    发明授权
    Process for the preparation of an optically pure aminoalcohol 失效
    制备光学纯氨基醇的方法

    公开(公告)号:US5512680A

    公开(公告)日:1996-04-30

    申请号:US294035

    申请日:1994-08-24

    摘要: A process is described for the preparation of (+)-2-(3,4-dichlorophenyl)-4-hydroxybutylamine (I) by reaction of 3,4-dichlorophenylacetonitrile (II) with an alkali metal halogenoacetate, treatment of the 3-cyano-3-(3,4-dichlorophenyl)propionic acid (III) with D-(-)-N-methylglucamine, with second-order asymmetric conversion, hydrolysis of the D-(-)-N-methylglucamine salt of (-)-3-cyano-3-(3,4-dichlorophenyl)propionic acid and enantioconservative reduction of the resulting levorotatory cyanoacid with a borane.

    摘要翻译: 描述了通过3,4-二氯苯基乙腈(II)与碱金属卤代乙酸酯反应制备(+) - 2-(3,4-二氯苯基)-4-羟基丁胺(I)的方法, 氰基-3-(3,4-二氯苯基)丙酸(III)与D - ( - ) - N-甲基葡糖胺反应,二级不对称转化,( - ) - ( - ) - N-甲基葡糖胺盐 )-3-氰基-3-(3,4-二氯苯基)丙酸,并用硼烷对所得的左旋氰基酸进行保护剂的还原。

    Process for the preparation of an optically pure aminoalcohol
    4.
    发明授权
    Process for the preparation of an optically pure aminoalcohol 失效
    制备光学纯氨基醇的方法

    公开(公告)号:US5780666A

    公开(公告)日:1998-07-14

    申请号:US598001

    申请日:1996-02-07

    摘要: A process is described for the preparation of (+)-2-(3,4-dichlorophenyl)-4-hydroxybutylamine (I) by reaction of 3,4-dichlorophenylacetic acid (II) with an alkali metal halogenoacetate, treatment of the 3-cyano-3-(3,4-dichlorophenyl)propionic acid (III) with D-(-)-N-methylglucamine, with second-order asymmetric conversion, hydrolysis of the D-(-)-N-methylglucamine salt of (-)-3-cyano-3-(3,4-dichlorophenyl,)propionic acid and enantioconservative reduction of the resulting levorotatory cyanoacid with a borane.

    摘要翻译: 描述了通过3,4-二氯苯乙酸(II)与碱金属卤代乙酸酯反应制备(+) - 2-(3,4-二氯苯基)-4-羟丁胺(I)的方法,处理3 ( - ) - ( - ) - N-甲基葡糖胺的氰基-3-(3,4-二氯苯基)丙酸(III),二次不对称转化,( - ) - ( - ) - N-甲基葡糖胺盐水解 - ) - 3-氰基-3-(3,4-二氯苯基)丙酸,并用硼烷对所得的左旋氰基酸进行保护剂的还原。

    Process for the preparation of thienylethylamines
    5.
    发明授权
    Process for the preparation of thienylethylamines 失效
    噻吩乙胺的制备方法

    公开(公告)号:US4876362A

    公开(公告)日:1989-10-24

    申请号:US132070

    申请日:1987-12-11

    CPC分类号: C07D333/20

    摘要: The invention has as its subject a process for the preparation of thienylethylamines of the formulaR--NR--R'where R represents the group ##STR1## and R' represents hydrogen or a group identical to R, by catalytic hydrogenation of a compound of the formula ##STR2## synthesis intermediates.

    摘要翻译: 本发明的主题是制备式R-NR-R'的噻吩乙基胺的方法,其中R表示基团,并且R'表示氢或与R相同的基团,通过催化氢化 配方合成中间体。

    Process for the preparation of phenylacetic derivatives of
thieno-pyridines
    6.
    发明授权
    Process for the preparation of phenylacetic derivatives of thieno-pyridines 失效
    噻吩并吡啶的苯乙酸衍生物的制备方法

    公开(公告)号:US5189170A

    公开(公告)日:1993-02-23

    申请号:US677482

    申请日:1991-03-29

    IPC分类号: C07C51/00

    CPC分类号: C07C51/00

    摘要: Compounds of formula: ##STR1## in which R.sub.1 and R.sub.2 are hydrogen or halogen, are prepared by reacting an aldehyde of formula: ##STR2## with CHBr.sub.3 and KOH in a mixture of an inert solvent and water. Further an ester of compound (I) wherein R.sub.1 is H and R.sub.2 is 2-Cl is reacted with 4,5,6,7-tetrahydrothieno[3,2-c]pyridine to produce a compound of formula III: ##STR3## which is useful as a medicament.

    摘要翻译: 通过使惰性溶剂和水的混合物中的下式的醛与CHBr 3和KOH反应来制备其中R 1和R 2是氢或卤素的式I化合物。 此外,其中R 1是H且R 2是2-Cl的化合物(I)的酯与4,5,6,7-四氢噻吩并[3,2-c]吡啶反应以产生式III化合物:其中 可用作药物。

    Process for the preparation of .alpha.-bromo-phenylacetic acids
    7.
    发明授权
    Process for the preparation of .alpha.-bromo-phenylacetic acids 失效
    制备α-溴 - 苯乙酸的方法

    公开(公告)号:US5036156A

    公开(公告)日:1991-07-30

    申请号:US540483

    申请日:1990-06-19

    CPC分类号: C07C51/00

    摘要: Compounds of formula ##STR1## in which R.sub.1 and R.sub.2 are hydrogen or halogen, are prepared by reacting an aldehyde of formula: ##STR2## with CHBr.sub.3 and KOH in a mixture of an inert solvent and water. Further an ester of compound (I) wherein R.sub.1 is H and R.sub.2 is 2-Cl is reacted with 4,5,6,7-tetrahydrothieno[3,2-c]pyridine to produce a compound of formula III: ##STR3## which is useful as a medicament.

    摘要翻译: 通过使惰性溶剂和水的混合物中的化学式:IV的醛与CHBr 3和KOH反应来制备其中R 1和R 2是氢或卤素的式I的化合物。 此外,其中R 1是H且R 2是2-Cl的化合物(I)的酯与4,5,6,7-四氢噻吩并[3,2-c]吡啶反应以产生式III化合物:其中 可用作药物。

    Process for the preparation of N-(2-chlorobenzyl)-2-(2-thienyl)
ethylamine
    8.
    发明授权
    Process for the preparation of N-(2-chlorobenzyl)-2-(2-thienyl) ethylamine 失效
    制备N-(2-氯苄基)-2-(2-噻吩基)乙胺的方法

    公开(公告)号:US4873343A

    公开(公告)日:1989-10-10

    申请号:US275369

    申请日:1988-11-23

    申请人: Joel Radisson

    发明人: Joel Radisson

    CPC分类号: C07D333/20

    摘要: In the process according to the invention 2-thiophene acetonitrile is reacted with 2-chlorobenzylamine and hydrogen in the presence of a hydrogenation catalyst.The product obtained is a chemical intermediate useful in the pharmaceutical industry.

    摘要翻译: 在根据本发明的方法中,2-噻吩乙腈与2-氯苄胺和氢气在氢化催化剂存在下反应。 获得的产品是用于制药工业的化学中间体。