申请人:Oy; Orion-yhtyma
公开号:US05703109A1
公开(公告)日:1997-12-30
New compounds of formula (I) wherein R.sub.1 is H, CH.sub.3, OCH.sub.3, NO.sub.2, NH.sub.2, CN, CF.sub.3, CHF.sub.2, CH.sub.2 F or halogen, R.sub.2 is a heterocyclyl radical selected from 1-imidazolyl, triazolyl, tetrazolyl, pyrazolyl, pyrimidinyl, oxazolyl, thiazolyl, isoxazolyl and isothiazolyl, R.sub.3 is H or OH, R.sub.4 is H, R.sub.5 is H or OH; or R.sub.4 is H and R.sub.3 and R.sub.5 combined form a bond; or R.sub.3 is H and R.sub.4 and R.sub.5 combined form --(O); R.sub.6 is methylene, ethylene, --CHOH--, --CH.sub.2 --CHOH--, --CHOH--CH.sub.2 --, --CH--CH-- or --C(--O)--; or R.sub.4 is H and R.sub.5 and R.sub.6 combined is --CH-- or --CH--CH.sub.2 --; stereoisomers thereof and non-toxic pharmaceutically acceptable acid addition salts thereof exhibit selective aromatase inhibiting properties, compared with their desmolase inhibiting properties. The compounds of the invention are valuable in the treatment of estrogen dependent diseases, e.g. breast cancer or benign prostatic hyperplasia (BPH).
公式(I)的新化合物,其中R.sub.1是H,CH.sub.3,OCH.sub.3,NO.sub.2,NH.sub.2,CN,CF.sub.3,CHF.sub.2,CH.sub.2 F或卤素,R.sub.2是从1-咪唑基,三唑基,四唑基,吡唑基,嘧啶基,噁唑基,噻唑基,异噁唑基和异噻唑基中选择的杂环基,R.sub.3是H或OH,R.sub.4是H,R.sub.5是H或OH;或R.sub.4是H且R.sub.3和R.sub.5结合成一个键;或R.sub.3是H且R.sub.4和R.sub.5结合成--(O);R.sub.6是亚甲基,乙烯基,--CHOH--,--CH.sub.2 --CHOH--,--CHOH--CH.sub.2 --,--CH--CH--或--C(--O)--;或R.sub.4是H且R.sub.5和R.sub.6结合成--CH--或--CH--CH.sub.2 --;其立体异构体和非毒性药学上可接受的酸盐具有选择性的芳香烃酮酶抑制性能,相比于它们的去甲酮酶抑制性能。该发明的化合物在治疗雌激素依赖性疾病,例如乳腺癌或良性前列腺增生症(BPH)方面具有重要价值。