Intermediates for the synthesis of 3-epi vitamin D3 metabolites and analogs
    2.
    发明公开
    Intermediates for the synthesis of 3-epi vitamin D3 metabolites and analogs 审中-公开
    Zwischenprodukte zur Synthese von 3-epi Vitamin D3 Metaboliten und Analogen

    公开(公告)号:EP0957098A1

    公开(公告)日:1999-11-17

    申请号:EP99108586.1

    申请日:1999-05-06

    IPC分类号: C07D303/16 C07F9/53

    摘要: Compounds of formulae
    are usefull as intermediates in a process for the preparation of vitamin D 3 compounds of formula
    wherein

    A is a single or a double bond;
    B is a single, cis-double, trans double or a triple bond;
    R 1 and R 2 are independently hydrogen, a C 1 -C 4 alkyl;
    R 3 and R 4 are independently a C 1 -C 4 alkyl, a hydroxyalkyl, and a haloalkyl.

    摘要翻译: 的化合物在制备式的维生素D3化合物的方法中可用作中间体,其中A是单键或双键; B是单,顺 - 双,反式双键或三键; R1和R2独立地是氢,C1-C4烷基; R3和R4独立地是C1-C4烷基,羟基烷基和卤代烷基。

    Fluorinated vitamin D3 analogs
    3.
    发明公开
    Fluorinated vitamin D3 analogs 失效
    氟化维生素D3类似物

    公开(公告)号:EP0808832A3

    公开(公告)日:1999-02-03

    申请号:EP97107868.8

    申请日:1997-05-14

    IPC分类号: C07C401/00 A61K31/59

    摘要: The novel fluorinated Vitamin D 3 analogs of formula
    wherein:
    X is (H,H) or =CH 2 ; R 1 and R2 are, independently of each other, hydrogen, (C 1 -C 4 ) alkyl or fluoroalkyl, or R 1 and R 2 together with C-20 form a (C 3 -C 6 ) cycloalkyl or cyclofluoroalkyl, or R 1 and R 2 together form =CH 2 ; R 3 and R 4 are, independently of each other, a (C 1 -C 4 ) alkyl or fluoroalkyl, or R 3 and R 4 together with C-25 form a (C 3 -C 9 ) cycloalkyl or cyclofluoroalkyl; A is a single bond or a double bond; and B is a double bond or a triple bond;
    except that:
    (i) when X is =CH 2 , R 3 and R 4 are each CF 3 , A is a double bond and one of R 1 or R 2 is hydrogen, then the other of R 1 or R 2 cannot be CH 3 ; (ii) when X is =CH 2 , R 3 and R 4 are each a (C 1 -C 2 ) alkyl, A is a double bond and R 2 is hydrogen, then R 1 cannot be CH 3 ; (iii) when X is =CH 2 , R 3 and R 4 are each a (C 1 -C 4 ) alkyl, A is a double bond and R 1 is hydrogen, then R 2 cannot be CH 3 ; (iv) when X is =CH 2 , one of R 3 or R 4 is a CF 3 , A is a double bond, R 1 is CH 3 and R 2 is hydrogen, then the other of R 3 or R 4 cannot be CH 3 ; and (v) when X is (H,H), R 3 and R 4 are each CF 3 , A is a double bond, B is a triple bond and R 2 is hydrogen, then R 1 cannot be CH 3 , and the compounds of the above formula I wherein: X is (H,H) or =CH 2 ; R 1 and R2 are, independently of each other, hydrogen, (C 1 -C 4 ) alkyl or fluoroalkyl, or R 1 and R 2 together with C-20 form a (C 3 -C 6 ) cycloalkyl or cyclofluoroalkyl, or R 1 and R 2 together form =CH 2 ; R 3 and R 4 are, independently of each other, a (C 1 -C 4 ) alkyl or fluoroalkyl, or R 3 and R 4 together with C-25 form a (C 3 -C 9 ) cycloalkyl or cyclofluoroalkyl; A is a single bond or a double bond; and B is a double bond or a triple bond; except that where R 3 and R 4 are each CF 3 and A is a double bond and B is a triple bond and R 2 is hydrogen, then R 1 cannot be CH 3 ,
    are useful in the treatment of osteoporosis.

    Fluorinated vitamin D3 analogs
    4.
    发明公开
    Fluorinated vitamin D3 analogs 失效
    氟维他命D3分析

    公开(公告)号:EP0808832A2

    公开(公告)日:1997-11-26

    申请号:EP97107868.8

    申请日:1997-05-14

    IPC分类号: C07C401/00 A61K31/59

    摘要: The novel fluorinated Vitamin D 3 analogs of formula
    wherein:

    X is (H,H) or =CH 2 ;
    R 1 and R2 are, independently of each other, hydrogen, (C 1 -C 4 ) alkyl or fluoroalkyl, or R 1 and R 2 together with C-20 form a (C 3 -C 6 ) cycloalkyl or cyclofluoroalkyl, or R 1 and R 2 together form =CH 2 ;
    R 3 and R 4 are, independently of each other, a (C 1 -C 4 ) alkyl or fluoroalkyl, or R 3 and R 4 together with C-25 form a (C 3 -C 9 ) cycloalkyl or cyclofluoroalkyl;
    A is a single bond or a double bond; and
    B is a double bond or a triple bond;
    except that:

    (i) when X is =CH 2 , R 3 and R 4 are each CF 3 , A is a double bond and one of R 1 or R 2 is hydrogen, then the other of R 1 or R 2 cannot be CH 3 ;
    (ii) when X is =CH 2 , R 3 and R 4 are each a (C 1 -C 2 ) alkyl, A is a double bond and R 2 is hydrogen, then R 1 cannot be CH 3 ;
    (iii) when X is =CH 2 , R 3 and R 4 are each a (C 1 -C 4 ) alkyl, A is a double bond and R 1 is hydrogen, then R 2 cannot be CH 3 ;
    (iv) when X is =CH 2 , one of R 3 or R 4 is a CF 3 , A is a double bond, R 1 is CH 3 and R 2 is hydrogen, then the other of R 3 or R 4 cannot be CH 3 ; and
    (v) when X is (H,H), R 3 and R 4 are each CF 3 , A is a double bond, B is a triple bond and R 2 is hydrogen, then R 1 cannot be CH 3 ,
    and the compounds of the above formula I wherein:
    X is (H,H) or =CH 2 ;
    R 1 and R2 are, independently of each other, hydrogen, (C 1 -C 4 ) alkyl or fluoroalkyl, or R 1 and R 2 together with C-20 form a (C 3 -C 6 ) cycloalkyl or cyclofluoroalkyl, or R 1 and R 2 together form =CH 2 ;
    R 3 and R 4 are, independently of each other, a (C 1 -C 4 ) alkyl or fluoroalkyl, or R 3 and R 4 together with C-25 form a (C 3 -C 9 ) cycloalkyl or cyclofluoroalkyl;
    A is a single bond or a double bond; and
    B is a double bond or a triple bond;
    except that where R 3 and R 4 are each CF 3 and A is a double bond and B is a triple bond and R 2 is hydrogen, then R 1 cannot be CH 3 ,
    are useful in the treatment of osteoporosis.

    摘要翻译: 的新型氟化维生素D3类似物,其中:X为(H,H)或= CH 2; R 1和R 2彼此独立地为氢,(C 1 -C 4)烷基或氟代烷基,或者R 1和R 2与C 20一起形成(C 3 -C 6)环烷基或环氟烷基,或者R 1和R 2一起形成= CH 2; R 3和R 4彼此独立地为(C 1 -C 4)烷基或氟烷基,或者R 3和R 4与C-25一起形成(C 3 -C 9)环烷基或环氟烷基; A是单键或双键; B是双键或三键; 除了:(i)当X为= CH 2时,R 3和R 4各自为CF 3,A为双键,R 1或R 2中的一个为氢,则R 1或R 2中的另一个为CH 3; (ⅱ)当X为= CH2时,R3和R4分别为(C1-C2)烷基,A为双键,R2为氢,则R1不能为CH3; (iii)当X为= CH 2时,R 3和R 4各自为(C 1 -C 4)烷基,A为双键,R 1为氢,则R 2不能为CH 3; (iv)当X为= CH 2时,R 3或R 4中的一个为CF 3,A为双键,R 1为CH 3,R 2为氢,则R 3或R 4中的另一个为CH 3; 和(v)当X是(H,H)时,R 3和R 4各自是CF 3,A是双键,B是三键,R 2是氢,则R 1不能是CH 3, 其中:X为(H,H)或= CH2; R 1和R 2彼此独立地为氢,(C 1 -C 4)烷基或氟代烷基,或者R 1和R 2与C 20一起形成(C 3 -C 6)环烷基或环氟烷基,或者R 1和R 2一起形成= CH 2; R 3和R 4彼此独立地为(C 1 -C 4)烷基或氟烷基,或者R 3和R 4与C-25一起形成(C 3 -C 9)环烷基或环氟烷基; A是单键或双键; B是双键或三键; 不同之处在于R3和R4各自为CF3且A为双键,B为三键,R2为氢,则R1不能为CH3,可用于治疗骨质疏松症。

    Process for the manufacture of benzopyran derivatives
    6.
    发明公开
    Process for the manufacture of benzopyran derivatives 失效
    Verfahren zur Herstellung von Benzopyran-Derivaten。

    公开(公告)号:EP0355617A1

    公开(公告)日:1990-02-28

    申请号:EP89114880.1

    申请日:1989-08-11

    IPC分类号: C07D311/74

    CPC分类号: C07D311/66 C07D311/58

    摘要: The invention is directed to a process and intermediates for the preparation of benzopyrans such as racemic-6-acetyl-­7-[5-(4-acetyl-3-hydroxy-2-propylphenoxy)pentyloxy]-3,4-­dihydro-2H-1-benzopyran-2-carboxylic acid.

    摘要翻译: 本发明涉及制备苯并吡喃的方法和中间体,例如外消旋-6-乙酰基-7- [5-(4-乙酰基-3-羟基-2-丙基苯氧基)戊氧基] -3,4-二氢-2H -1-苯并吡喃-2-羧酸。

    Process for preparing intermediates for vitamin D derivatives and novel compounds obtained thereby
    7.
    发明公开
    Process for preparing intermediates for vitamin D derivatives and novel compounds obtained thereby 失效
    一种制备用于维生素D衍生物和新颖的化合物的中间体的过程。

    公开(公告)号:EP0528209A1

    公开(公告)日:1993-02-24

    申请号:EP92112775.9

    申请日:1992-07-27

    IPC分类号: C07F7/18 C07C401/00

    摘要: Compounds of the formula

       wherein A is a 23,24-bisnorsteroid or a 23,24-bisnor-9,10-secosteroid radical, wherein the free valence bond is in the 22-position and wherein any hydroxy groups present are protected; R₁ is hydrogen, carboxy,
       lower alkoxycarbonyl, lower alkylcarbonyl or unsubstituted or substituted lower alkyl; and R₂ is hydroxyl, lower alkoxy, or unusbstituted or substituted lower alkyl,
    can be prepared from compounds of formula AX wherein X is halogen, and compounds of formula

    The compounds of formula IV can be converted into calcitriol and related compounds.

    摘要翻译: 下式的化合物 worin A为23,24-bisnorsteroid或23,24-bisnor -9,10-开环甾族化合物基团,所述worin自由价键是在22位上和羟基呈现任何worin被保护 ; R1是氢,羧基,低级烷氧基羰,低级烷基羰基或unsubstituiertem或取代的低级烷基; 且R 2是羟基,低级烷氧基,或unusbstituted或substituiertem低级烷基,可以由式AX worin X的化合物制备为卤素,和式I化合物式IV的化合物可被转化成骨化三醇和相关化合物。

    Verfahren zur Herstellung von 2',3'-dideoxycytidin
    8.
    发明公开
    Verfahren zur Herstellung von 2',3'-dideoxycytidin 失效
    制备2',3'-二羧酸的方法

    公开(公告)号:EP0341704A3

    公开(公告)日:1990-12-05

    申请号:EP89108442.8

    申请日:1989-05-10

    IPC分类号: C07D405/04 A61K31/505

    摘要: Die Erfindung betrifft ein Verfahren zur Herstellung von 2′,3′-Dideoxycytidin, dadurch gekennzeichnet, dass man
    a) die 4-Aminogruppe von Cytidin mit einer geeigneten Schutzgruppe schützt, b) das geschützte Cytidin zum entsprechenden Brom­acetatderivat bromacetyliert, c) das Bromatom und die Acetoxygruppe aus dem Brom­acetat reduktiv eliminiert um das 2′,3′-Didehydro­derivat zu erhalten, d) das 2′,3′-Didehydroderivat hydriert und e) aus dem so erhaltenen an der 4-Amino und 5′-Hydroxygruppe geschützten 2′,3′-Dideoxycytidin die Schutzgruppen entfernt, um 2′,3′-Dideoxycytidin zu erhalten; sowie neue in diesem Verfahren vorkommende Zwischenprodukte.

    Verfahren zur Herstellung von 2',3'-dideoxycytidin
    9.
    发明公开
    Verfahren zur Herstellung von 2',3'-dideoxycytidin 失效
    Verfahren zur Herstellung von 2',3'-双脱氧胞苷。

    公开(公告)号:EP0341704A2

    公开(公告)日:1989-11-15

    申请号:EP89108442.8

    申请日:1989-05-10

    IPC分类号: C07D405/04 A61K31/505

    摘要: Die Erfindung betrifft ein Verfahren zur Herstellung von 2′,3′-Dideoxycytidin, dadurch gekennzeichnet, dass man

    a) die 4-Aminogruppe von Cytidin mit einer geeigneten Schutzgruppe schützt,
    b) das geschützte Cytidin zum entsprechenden Brom­acetatderivat bromacetyliert,
    c) das Bromatom und die Acetoxygruppe aus dem Brom­acetat reduktiv eliminiert um das 2′,3′-Didehydro­derivat zu erhalten,
    d) das 2′,3′-Didehydroderivat hydriert und
    e) aus dem so erhaltenen an der 4-Amino und 5′-Hydroxygruppe geschützten 2′,3′-Dideoxycytidin die Schutzgruppen entfernt, um 2′,3′-Dideoxycytidin zu erhalten;
    sowie neue in diesem Verfahren vorkommende Zwischenprodukte.

    摘要翻译: 本发明涉及一种制备2',3'-双脱氧胞苷的方法,其特征在于:a)胞苷的4-氨基被合适的保护基保护,b)保护的胞苷被溴乙酰化得到 相应的溴代乙酸酯衍生物,c)溴原子和乙酰氧基被还原从溴乙酸中除去以获得2',3'-二脱氢衍生物,d)2',3'-二脱氢衍生物被氢化和 e)保护基团从保护在4-氨基和5'-羟基上的2',3'-二脱氧胞苷脱除,从而得到2',3'-二脱氧胞苷;和在该过程中发生的新中间体 。