.beta.-phenylisoserine-(2R,3S), salts, preparation and use thereof
    11.
    发明授权
    .beta.-phenylisoserine-(2R,3S), salts, preparation and use thereof 失效
    β-二苯基异丝氨酸 - (2R,3S),其盐,其制备和用途

    公开(公告)号:US5684168A

    公开(公告)日:1997-11-04

    申请号:US419965

    申请日:1995-04-10

    CPC分类号: C07C229/34

    摘要: .beta.-phenylisiserine-(2R,3S), salts and preparation thereof through the action of ammonia on .beta.-phenylglycidic-(2R,3R) acid and its use in the preparation of taxane derivatives of general formula: ##STR1## wherein R is hydrogen or --COCH.sub.3 ;and R.sub.1 is phenyl or --O--C(CH.sub.3).sub.3.

    摘要翻译: (2R,3S),其通过氨在β-苯基甘氨酸 - (2R,3R)酸上的作用的盐及其制备及其在制备通式如下的紫杉烷衍生物中的用途:其中R是氢 或-COCH 3;且R 1为苯基或-OC(CH 3)3。

    Process for preparing taxane derivatives
    12.
    发明授权
    Process for preparing taxane derivatives 失效
    制备紫杉烷衍生物的方法

    公开(公告)号:US5677462A

    公开(公告)日:1997-10-14

    申请号:US742101

    申请日:1996-10-31

    摘要: Disclosed is a compound of formula VII: ##STR1## where Ar represents an optionally substituted phenyl or .alpha.- or .beta.-naphthyl radical; R.sub.3 represents hydrogen, a C.sub.1-4 alkyl radical, a C.sub.2-4 alkenyl radical, an aralkyl radical, or an aryl radical; and R.sub.4 represents hydrogen, a C.sub.1-4 alkyl radical, a C.sub.2-4 alkenyl radical, an aralkyl radical, or an aryl radical; or alternatively R.sub.3 and R.sub.4, together with the carbon atom to which they are linked, form a 4- to 7-membered ring; and R.sub.5 represents an C.sub.1-4 alkyl radical substituted with at least one chlorine atom. The compound of formula VI may be used to manufacture a compound of formula VIII: ##STR2## where Ar, R.sub.3, R.sub.4 and R.sub.5 are defined above; G.sub.1 represents a group protecting the hydroxyl function; and where appropriate, G.sub.2 represents a group protecting the hydroxyl function.

    摘要翻译: 公开了式VII的化合物:其中Ar表示任选取代的苯基或α-或β-萘基; R3表示氢,C1-4烷基,C2-4烯基,芳烷基或芳基; R4表示氢,C1-4烷基,C2-4烯基,芳烷基或芳基; 或者R3和R4与它们所连接的碳原子一起形成4-至7-元环; 并且R 5表示被至少一个氯原子取代的C 1-4烷基。 式VI化合物可用于制备式VIII化合物:其中Ar,R 3,R 4和R 5如上定义; G1表示保护羟基官能团的基团; 并且在适当的情况下,G2表示保护羟基官能团的基团。

    Derivatives of 2-azabicyclo�2.2.1!heptane, their preparation and their
application
    14.
    发明授权
    Derivatives of 2-azabicyclo�2.2.1!heptane, their preparation and their application 失效
    2-氮杂双环[2.2.1]庚烷的衍生物及其制备及应用

    公开(公告)号:US5670649A

    公开(公告)日:1997-09-23

    申请号:US655395

    申请日:1996-05-30

    CPC分类号: C07D209/02 C07D209/52

    摘要: Novel derivatives of 1R- or 1S-2-azabicyclo�2.2.1!heptane with the general formula (I) or (I'), their preparation and their application. ##STR1## In the general formulas (I) and (I'), R represents a hydrogen atom or a group with the formula ##STR2## respectively, in which R.sub.1 represents an alkyl group containing 1-4 carbon atoms and Ar represents an optionally substituted phenyl or .alpha.- or .beta.-naphthyl group. The novel products with the general formula (I) are particularly useful for the preparation of adenosine agonists.

    摘要翻译: 具有通式(I)或(I')的1R-或1S-2-氮杂双环[2.2.1]庚烷的新衍生物及其制备及其应用。 在通式(I)和(I')中,R表示氢原子或式(II)的化合物(II')(II'), ),其中R 1表示含有1-4个碳原子的烷基,Ar表示任选取代的苯基或α-或β-萘基。 具有通式(I)的新产品对于制备腺苷激动剂特别有用。

    Process for the preparation of 2-amino-7-nitrobenzo-thiazoles
    20.
    发明授权
    Process for the preparation of 2-amino-7-nitrobenzo-thiazoles 失效
    制备2-氨基-7-硝基苯并噻唑的方法

    公开(公告)号:US5567822A

    公开(公告)日:1996-10-22

    申请号:US244390

    申请日:1994-06-13

    IPC分类号: C07D277/68 C07D277/82

    CPC分类号: C07D277/82

    摘要: This invention relates to the process for the preparation of 2-amino 7-nitro benzothiazoles of formula (I) ##STR1## consisting in a) nitrating a derivative of formula (II) ##STR2## and b) reacting the compound of formula (III) ##STR3## so obtained with caustic ammonia.

    摘要翻译: PCT No.PCT / FR92 / 01165 Sec。 371日期1994年6月13日 102(e)日期1994年6月13日PCT提交1992年12月9日PCT公布。 出版物WO93 / 12099 日本时间:1993年6月24日本发明涉及式(I)的2-氨基-7-硝基苯并噻唑的制备方法:(a)将式(II)的衍生物硝化 )和b)使式(III)的化合物a。