Process for preparing (R)-2-bromo-3-phenyl-propionic acid
    5.
    发明授权
    Process for preparing (R)-2-bromo-3-phenyl-propionic acid 有权
    制备(R)-2-溴-3-苯基 - 丙酸的方法

    公开(公告)号:US6103931A

    公开(公告)日:2000-08-15

    申请号:US251432

    申请日:1999-02-17

    CPC分类号: C07C51/363

    摘要: It is described a process for preparing (R)-2-bromo-3-phenyl-propionic acid starting from (D)-phenyl-alanine, sodium nitrite and concentrated hydrobromic acid in a mixture of an aqueous solvent and a solvent selected from the group consisting of halogenated hydrocarbons and aromatic hydrocarbons.

    摘要翻译: 描述了从(D) - 苯基 - 丙氨酸,亚硝酸钠和浓氢溴酸在水溶剂和溶剂的混合物中制备(R)-2-溴-3-苯基 - 丙酸的方法,该方法选自 由卤代烃和芳烃组成的组。

    Phosphonyldipeptides useful in the treatment of cardiovascular diseases
    10.
    发明授权
    Phosphonyldipeptides useful in the treatment of cardiovascular diseases 失效
    可用于治疗心血管疾病的膦酰二肽

    公开(公告)号:US5760285A

    公开(公告)日:1998-06-02

    申请号:US702701

    申请日:1996-09-13

    CPC分类号: C07K5/06191 A61K38/00

    摘要: Compounds of formula (II) ##STR1## wherein R is a biphenyl group optionally substituted by one or more substituents, the same or different, selected among halogen atoms, hydroxy groups, alkoxy, alkyl or thioalkyl groups having from 1 to 6 carbon atoms in the alkyl moiety, carboxylic groups, nitro groups, amino, mono- or di-alkylamino groups having from 1 to 6 carbon atoms in the alkyl moiety; R.sub.1 is a hydrogen atom or a straight or branched C.sub.1 -C.sub.4 allyl; R.sub.2 is a straight or branched C.sub.1 -C.sub.6 alkyl or an arylalkyl having from 1 to 6 carbon atoms in the alkyl moiety wherein the aryl is a phenyl, a naphthyl or a 5 or 6 membered aromatic heterocycle with one or two heteroatoms selected among nitrogen, oxygen and sulphur, optionally substituted as above indicated for the R substituent; R.sub.3 is a straight or branched C.sub.1 -C.sub.6 alkyl, optionally containing one or more fluorine atoms, or an arylalkyl having from 1 to 6 carbon atoms in the alkyl moiety; the carbon atoms marked with an asterisk are asymmetric carbon atoms; and their pharmaceutically acceptable salts, are described. The compounds of formula (II) are useful in the treatment of cardiovascular diseases.

    摘要翻译: PCT No.PCT / EP95 / 01322 Sec。 371日期1996年9月13日 102(e)1996年9月13日PCT PCT 1995年4月11日PCT公布。 WO95 / 28417 PCT出版物 日期:1995年10月26日化学式(II)其中R是任选被一个或多个选自卤素原子,羟基,烷氧基,烷基或硫代烷基中的一个或多个相同或不同的取代基取代的联苯基 在烷基部分具有1至6个碳原子,在烷基部分具有1至6个碳原子的羧基,硝基,氨基,一或二烷基氨基; R1是氢原子或直链或支链C1-C4烯丙基; R2是直链或支链的C 1 -C 6烷基或在烷基部分具有1至6个碳原子的芳基烷基,其中芳基是苯基,萘基或具有一个或两个选自氮, 氧和硫,任选地被如上述R取代基所取代; R3是任选地含有一个或多个氟原子的直链或支链C 1 -C 6烷基或在烷基部分具有1至6个碳原子的芳基烷基; 标有星号的碳原子是不对称碳原子; 及其药学上可接受的盐。 式(II)的化合物可用于治疗心血管疾病。