会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 31. 发明授权
    • Novel cyclopentanoic acid derivatives
    • 新型环戊酸衍生物
    • US4072755A
    • 1978-02-07
    • US717049
    • 1976-08-24
    • Jean BuendiaMichel VivatJeanine Schalbar
    • Jean BuendiaMichel VivatJeanine Schalbar
    • A61K31/045A61K31/19A61P43/00C07C35/06C07C67/00C07C401/00C07C405/00A01N9/24C09F5/00
    • C07C35/06Y10S514/906
    • Novel cyclopentanoic acid derivatives of the formula ##STR1## wherein R is selected from the group consisting of ##STR2## and --CH.sub.2 OH, R' is selected from the group consisting of hydrogen, alkyl of 1 to 4 carbon atoms and a non toxic, pharmaceutically acceptable cation and R.sub.1 is selected from the group consisting of hydrogen, 2-tetrahydropyranyl, branched or straight chain, saturated or unsaturated alkyl of 1 to 4 carbon atoms and ##STR3## and R.sub.2 is selected from the group consisting of straight or branched chain alkyl of 1 to 12 carbon atoms and phenyl with the alkyl and phenyl being optionally substituted with --COOA wherein A is selected from the group consisting of hydrogen, alkali metal, ammonium ion, ion of an organic amine, alkyl and haloalkyl of 1 to 7 alkyl carbon atoms with the proviso that R.sub.1 is not hydrogen or 2-tetrahydropyranyl when R is a carboxylic group, and the OH and R groups on the ring and OR.sub.1 group on the chain may be in either of the two possible positions about the carbon atom to which they are attached having analgesic, anti-inflammatory and smooth muscle relaxant activity.
    • 新的式(I)的环戊酸衍生物其中R选自由下列组成的组:IMA和CH 2 OH,R'选自氢,1至4个碳原子的烷基和无毒的, 药学上可接受的阳离子,R 1选自氢,2-四氢吡喃基,支链或直链,饱和或不饱和的1至4个碳原子的烷基,且R 2选自直链或支链 具有1至12个碳原子的烷基和苯基,其中烷基和苯基任选被-COOA取代,其中A选自氢,碱金属,铵离子,有机胺的离子,1至7的烷基和卤代烷基 烷基碳原子,条件是当R是羧基时,R 1不是氢或2-四氢吡喃基,环上的OH和R基团和链上的OR1基团可以在关于 它们所连接的碳原子具有镇痛,抗炎和平滑肌松弛剂活性。
    • 37. 发明授权
    • Preparation of 16.alpha.-methyl steroids
    • 制备16种α-甲基类固醇
    • US5508452A
    • 1996-04-16
    • US180454
    • 1994-01-12
    • Patrick RousselMichel Vivat
    • Patrick RousselMichel Vivat
    • C07B61/00C07J5/00C07J7/00C07J71/00C07J75/00C07J1/00
    • C07J71/0015C07J5/0076
    • A process for the preparation of a compound of the formula ##STR1## in which rings A and B are a remainder: ##STR2## in which the 3-ketone function is optionally protected in the form of a ketal, thioketal, hemithioketal or enol ether, or a remainder: ##STR3## wherein R is methyl or --CH.sub.2 --OR', R' is hydrogen or ether remainder or ester remainder, R.sub.1 and R.sub.2 together form a second bond, or R.sub.1 and R.sub.2 form together an epoxide in beta position, or R.sub.1 is hydrogen, ketone or .alpha.- or .beta.- hydroxy, free or protected in the form of an ether or ester and R.sub.2 is hydrogen, or R.sub.1 is hydrogen and R.sub.2 is .alpha.-hydroxy function, or R.sub.1 is .beta.-hydroxy, free or protected in the form of an ether or ester and R.sub.2 is .alpha.-fluorine or bromine and R.sub.3 is hydrogen or .alpha. or .beta. fluorine or methyl comprising reacting a compound of the formula ##STR4## in which A, B, R, R.sub.1, R.sub.2 and R.sub.3 have the above meaning with a methylation agent in the presence of a copper-based catalyst to form the 16 .alpha.-methylated enolate, hydrolyzing the latter to obtain the corresponding enol and reacting the latter with an oxidizing agent to obtain the compound of formula I.
    • 制备其中环A和B为其余环的其中环A和B的化合物的方法:其中3-酮官能团任选以缩酮形式,硫代缩酮, 半硫酮缩酮或烯醇醚,或其余:其中R为甲基或-CH2-OR',R'为氢或醚余量或酯残基,R1和R2一起形成第二个键,或R 1和R 2 形成β位的环氧化物,或R1是氢,酮或α-或β-羟基,以醚或酯的形式游离或保护,R2为氢,或R1为氢,R2为α-羟基官能团, 或R 1为β-羟基,游离或保护为醚或酯形式,R 2为α-氟或溴,R 3为氢或α或β氟或甲基,包括使下式化合物II 在铜基催化剂存在下,A,B,R,R 1,R 2和R 3与甲基化剂具有上述含义,形成16 α-甲基化烯醇化物,水解后者以获得相应的烯醇并使其与氧化剂反应,得到式I化合物。