度他雄胺
度他雄胺
研发历程 (1985)
Merck & Co.Inc.. Enzyme inhibitor[P]. US 4760071 ,1985.11.21。公开日:1988.07.26
R is H, Me or Et R` is H or Me R`` is H or β-Me R``` is H , αor β-Me R2 is straight or branched chain alkyl of from 1-12 carbons or monocyclic aryl optionally containing one or more lower alkyl substituents of from 1-2 carbon atoms and /or more halogen (Cl, F or Br) substituents.
R1
R2
度他雄胺
研发历程 (1985)
Merck & Co. Inc.. 17 beta-substituted-4-aza-5-alpha-androstenones and their use as 5-alphareductase inhibitors [P]. EP 0155096 B, 1985.02.20。公开日1989.10.04 CA1314541C DE3573429
R1 represents a H, alkyl
which is unsubstituted or substituted by at least one substituent selected from the group consisting of aryl groups, aromatic heterocyclic groups, carboxy group and hydroxy groups;
其他已上市药物-保法止
非那雄胺作为治疗脱发药物在不同国家的品牌名称: 保法止[中国大陆]、 Propecia [美国]、 保康丝[中国香港]、 柔沛[中国台湾], Finpecia[印度]。
度他雄胺
研发历程 (1994)
Merck & Co Inc. .17β-CARBOXANILIDES OF 4-AZA-5α-ANDROSTAN-3-ONES AS 5α-REDUCTASE INHIBITORS[P]. WO 1994007861, 1993.10.06。公开日:1994.04.14 DE69329933, EP0663924 US5693810
R4 and R5 are adjacent
to form a fused 5, 6 or 7 member ring (optionally containing one or more O or S atoms);
W and Z are methylene groups , to form a saturated 3
Merck & Co.Inc.. 4-aza-17-substituted-5-alpha-androstan-3-one, their a and d homo analogs, process for their preparation and pharmaceutical compositions containing them [P]. EP0004949 B,1979.04.12,公开日:1983.09.21 CA1142914,
于普林,郑 宏,苏鸿学,等. 中国六城市老年人前列腺增生的患病率及相关因素[J]. 中华流行病学杂志, 2000,21(4):276-279 李玉衡. 北京博士生健康状况调查-调查显示:脱发、颈椎病、失眠症在博士生群体中发病率渐高[J]. 首都医药,2007,(11):8-10
研发历程(1979)
度他雄胺制剂
其他已上市药物 –保列治
非那雄胺 (finasteride)
非那雄胺片(商品名:保列治),由Merck Sharp & Dohme Limited(默沙东公 司)(在美国和加拿大被称为默克)研发,1994年获准在中国上市。通用名:非那雄 胺片 ,商品名:保列治 (PROSCAR)
其他已上市药物-保列治
度他雄胺
(A)
(B)
R3 = (B)
R4 and R5 = independently H, lower alkyl, lower
alkoxy , trifluoromethyl , cyano, halogen, phenyl (optionally substituted with one or more halogens);
R2 represents a alkyl (C1-6) which is substituted
by at least one substituent selected from aryl groups and aromatic heterocyclic groups, and which is otherwise unsubstituted or is substituted by at least one additional substituent selected from carboxy groups and hydroxy groups, or a diarylamino group Examples of aryl groups include the phenyl and naphthyl (1- or 2- naphthyl) groups · · · · · ·
度他雄胺——剂型专利
1、透皮贴剂(含活性化合物、硅油、胶体二氧化硅)
2、口服片剂(含活性化合物、淀粉、硬脂酸镁)
3、栓剂(含活性化合物、水杨酸钠可可碱)、Witpsol S55)
4、注射液(活性化合物、缓冲剂、丙二醇、注射用水)
5、胶囊(活性化合物、乳糖、硬脂酸镁)
葛兰素惠尔康公司. 雄甾烯酮[P]. CN1134155, 1994.09.16。公开日:1995.03.23
六、非甾体类5-α还原酶抑制剂简介
5-α还原酶简介
抗雄性激素类药物
5-α还原酶抑制剂
雄性激素受体拮抗剂
Ⅰ型酶
肝脏、皮肤、皮脂腺、
Ⅱ 型酶
前列腺、胡须、 毛囊、头发
睾丸、大多数毛囊
作用机制
influencing function of the cell protein RNA
DNA
5-α还原酶抑制剂的实际应用
已上市药物-安福达
度他雄胺(dutasteride) 中国:仅此一家进口公司 产品名称:度他雄胺软胶囊 商品名(中文):安福达 发证日期:2011-04-11
甾体类药物合成起始原料-----薯蓣或剑麻皂苷元
关键中间体的合成
尤启东. 药物化学[M]. 北京:化学工业出版社,2012:294-318.
度他雄胺
Finasteride 非那雄胺
研发历程 (1991)
Sankyo Company Limited . Azasteroid compound s for the treatment of prostatic hypertrophy, their preparation and use [P]. EP 0484094, 1991.10.29。公开日:1996.06.26 CA2054368 CN1053672 CN1072935 DE6912050 US5302621
度他雄胺
heteroaryl; heteroaroyl; C7-10 aralkyl
研发历程 (1995)
Glaxosmithkline Inc. Androstenones [P]. WO 1995007926 ,1994.09.16. 公开日:1995.03.23 CN1134155 US5977126 EP0719277 CA2449679 carbons 1 and 2 is single or double bond R1 is H or Me R2 is H or Me R3 is (A) or (B)
to 12 member ring system optionally: 1) substituted independently with one or more lower alkyl groups, 2) containing an O or S atom, 3) two said methylene groups of said 3 to 12 member ring are joined with a (C1-6) alkaline group to form a bicyclic ring system;
X is hydrogen or halogen
Dutasteride 度他雄胺
度他雄胺---中国专利分析
1,葛兰素惠尔康公司. 雄甾烯酮[P]. CN1134155, 1994.09.16。公开日:1995.03.23 具体权利要求同上一张幻灯片。
2012年1月5日,甾体类5α-还原酶抑制剂、其 制备方法及其医药用途 CN 102532236 B
药物设计与开发(学术型)
度他雄胺
一种5-α还原酶抑制剂
姓名:元科阳 学号:S141101092 专业:药物化学 Dutasteride
目录
一、5-α还原酶及其作用机制简介 二、5-α还原酶抑制剂的实际应用 三、度他雄胺的研发历程 四、度他雄胺的合成及制剂 五、其他已上市的5-α还原酶抑制剂简介
R is H , Me or Et R` is H or Me R`` is H or β-Me
Z is —CONH—(C1-12 alkyl) or —CO—NR9R10 R9 and R10 is independently hydrogen , C1-4 straight or branched alkyl or C3-6 cycloalkyl