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    • 12. 发明授权
    • Substituted phenylacetic acid derivatives and process for the
preparation thereof
    • 取代苯乙酸衍生物及其制备方法
    • US4161538A
    • 1979-07-17
    • US885527
    • 1978-03-10
    • Atsusuke TeradaKazuyuki WachiEiichi Misaka
    • Atsusuke TeradaKazuyuki WachiEiichi Misaka
    • C07C279/14A61K31/19C07C65/20
    • C07C279/14C07C2101/08
    • 4-(2-Oxo- or hydroxyimino-cycloalkan-1-ylmethyl)phenylacetic acid derivative and nontoxic pharmaceutically acceptable salt thereof are useful as an anti-inflammatory agent. The above 2-oxo-compound may be prepared by (a) hydrolyzing and decarboxylating 4-(1-alkoxycarbonyl-2-oxocycloalkan-1-ylmethyl)phenylacetic acid ester derivative or (b) reacting p-halomethylphenylacetic acid ester derivative with an enamine of cycloalkanone and hydrolyzing the resulting product. And further, the above 2-hydroxyimino-compound may be prepared by (c) reacting 4-(2-oxocycloalkan-1-ylmethyl)phenylacetic acid derivative (the product of process (a) or (b)) with hydroxylamine or (d) reacting a dilithium salt of cycloalkanone oxime with p-halomethyl- or p-sulfonyloxymethyl-phenylacetic acid ester derivative and hydrolyzing the resulting product.
    • 4-(2-氧代 - 或肟基 - 环烷基-1-基甲基)苯乙酸衍生物及其无毒的药学上可接受的盐可用作抗炎剂。 上述2-氧代化合物可以通过(a)水解和脱羧4-(1-烷氧基羰基-2-氧代环烷烃-1-基甲基)苯乙酸酯衍生物或(b)使对卤甲基苯乙酸酯衍生物与烯胺 的环烷酮并水解所得产物。 此外,上述2-羟基亚氨基化合物可以通过(c)使4-(2-氧代环烷烃-1-基甲基)苯乙酸衍生物(方法(a)或(b)的产物)与羟胺或(d )使环烷酮肟的二锂盐与对卤甲基 - 或对 - 磺酰氧基甲基 - 苯基乙酸酯衍生物反应并水解所得产物。
    • 16. 发明授权
    • 1,6-disubstituted pyrocatechol derivatives
    • 1,6-取代的吡咯烷醇衍生物
    • US3824278A
    • 1974-07-16
    • US23749772
    • 1972-03-23
    • SANDOZ AG
    • GALANTAY E
    • C07C45/29C07C45/62C07C45/72C07C47/277C07C49/255C07F7/18C07C65/02C07C65/20
    • C07F7/1852C07C45/29C07C45/62C07C45/72C07C47/277C07C49/255Y10S514/826Y10S514/958Y10S514/96
    • DISCLOSED ARE COMPOUNDS OF THE FORMULA

      1,2-DI(RO-),4-(R0-(X)-(Z)-),5-(Q-(CH2)N-)-BENZENE

      WHEREIN Z IS -CH2-CH2- OR -CH=CH-; X IS -CO- OR -COHR''-; R'' IS HYDROGEN OR LOWER ALKYL; Q IS -CH2OH, -COR'''' OR -CHO; R* IS ALKYL OF 4 TO 6 CARBON ATOMS; N IS 4, 5 OR 6; R IS HYDROGEN OR LOWER ALKYL; R'''' IS HYDROGEN OR A CATION FORMING A PHARMACEUTICALLLY ACCEPTABLE SALT; E,G., 1- 3'',4''-DIMETHOXY-6''-(5''''-CARBOXYPENTYL) PHENYL!-1-OCTAN-3-OL SODIUM SALT: SAID COMPONDS EXHIBITING PHARMACOLOGICAL ACTIVITY IN ANIMALS AND USEFUL, FOR EXAMPLE, AS BRONCHODILATOR AGENTS. THE COMPOUND IN WHICH X IS -CHOH- WITH Z BEING

      -CH2-CH2-

      AND Q BEING -COOR'' OR -CH2OH MAY BE PREPARED, FOR EXAMPLE, BY REDUCTION OF A CORRESPONDING COMPOUND IN WHICH X IS -CO-. SAID COMPOUNDS IN WHICH X IS -CO- MAY BE PRODUCED BY CATALYTIC HYDROGENATION OF A CORRESPONDING COMPOUND IN WHICH Z IS -CH=CHAND THE LATTER COMPOUNDS IN WHICH Q IS COOR'''' MAY BE PRODUCED BY COMPLETE TERMINAL OXIDATION OF A CORRESPONDING KEY COMPOUND IN WHICH Q IS -CH2OH, E.G. 1- 3'',4''DIMETHOXY-6''-(6''''-HYDROXYHEXYL) PHENYL 1 - 1 OCTEN - 3ONE. THE COMPOUNDS IN WHICH X IS -COH-ALKYL-MAY BE PRODUCED FRM COMPOUNDS IN WHICH X IS -CO-AND Z IS -CH2-CH2- BY GRIGNARD PROCEDURES AND THE FORMER IN WHICH Q IS -CH2OH ARE USED WHEN FORMING COMPOUNDS IN WHICH Q IS -CHO BY CONTROLLED TERMINAL OXIDATION AND THE LATTER MAY BE USED TO PREPARE COMPOUNDS IN WHICH Q IS -COOR'''' BY COMPLETE TERMINAL OXIDATION. THE KEY COMPOUNDS MAY BE PREPARED BY REACTING A TRIMETHYLCHLOROSILANE PROTECTED 3,4-DISUBSTITUTED6-(W-HYDROXYALKYL) - BENZALDEHYDE WITH A DIALKYL-2-OXOALKYL PHOSPHORANE IN THE PRESENCE OF A BASE.