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    NOVEL D-HOMOSTEROIDS
    2.
    发明授权
    NOVEL D-HOMOSTEROIDS 失效

    公开(公告)号：KR790000416B1

    公开(公告)日：1979-05-14

    申请号：KR740003628

    申请日：1974-09-18

    Applicant: HOFFMANN LA ROCHE

    Inventor： ALIG L ,  FUERST A

    Abstract: A D-homosteroid of the formula (I; R10 =H or methyl, R7 = H or mercapto) was prepd. by (a) oxidn. of 3-hydroxy-Δ5 group of a D-homosteroid of the formula(II), (b) dehydrogenation in the 1,2 and /or 6, 7 position of (III), (C) isomeriztion of (IV)m (d) reacting a homosteroid (V) with R7-H compd. and dehydrogenation in the 1, 2 position.

    PROCESS OF PAREPARING STEROID CARBOXYTIC ACIDS AND DERIVATIVES
    4.
    发明授权
    PROCESS OF PAREPARING STEROID CARBOXYTIC ACIDS AND DERIVATIVES 失效

    公开(公告)号：KR800000176B1

    公开(公告)日：1980-03-10

    申请号：KR760000811

    申请日：1976-04-02

    Applicant: HOFFMANN LA ROCHE

    Inventor： ALIG L ,  FUERST A ,  MUELLER M

    IPC: C07J63/00

    Abstract: D-homosteroid derivs. (I; R6 = H,F, Cl or methyl group, R9 = H,F, Cl or Br, R11 = iodo, (α-H, β-fluoro) or (α-H, β-chloro), R17a = hydroxy or acyloxy group, R20 = lower alkyl, halo-(lower alkyl), hydroxy-(lower alkyl), acyloxy-(lower alkyl) or (lower alkoxycarbonyl-(lower alkyl) group, R20I = H, lower alkyl, halo-(lower alkyl), hydroxy-(lower alkyl), acyloxy-(lower alkyl) or (lower alkoxycarbonyl) - (lower alkyl) group), useful as antiinflammatory agent, were prepd. by substituting functional group (COOR20I) of D-homosteroid(II).

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