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    • 6. 发明授权
    • Process for the preparation of spiro[(4-cyclohexanone)-[3H]indol]-2′[1′H]-one derivatives
    • 制备螺[(4-环己酮) - [3H]吲哚] -2'[1'H] - 酮衍生物的方法
    • US06573386B1
    • 2003-06-03
    • US10030648
    • 2002-04-17
    • Csaba GöncziÉva CsikósIstván HermeczGergely HéjaÁrpád IllárLajos NagyAndrea Sántáné CsutorAttila SimonKálmán SimonÁgota Smelkóné EsekTiborné SzomorGyörgyné Szvoboda
    • Csaba GöncziÉva CsikósIstván HermeczGergely HéjaÁrpád IllárLajos NagyAndrea Sántáné CsutorAttila SimonKálmán SimonÁgota Smelkóné EsekTiborné SzomorGyörgyné Szvoboda
    • C07D20954
    • C07D405/04C07D209/34C07D209/96Y02P20/55
    • The invention relates to a process for the preparation of spiro [(4-cyclohexanone)-[3H]indol]-2′[1′H]-one derivatives of general formula I—wherein R1 and R2 independently stand for hydrogen, C1-4alkyl, C1-4alkoxy, C1-4alkylthio, C1-4polyfluoroalkyl, C1-4polyfluoroalkoxy, C3-7cycloalkyloxy, C3-7cycloalkylthio, phenoxy, benzyloxy or nitro group—, characterized by reacting an indolin-2-one derivative of general formula II—wherein R1 and R2 are as defined above—with a compound capable for introducing a protective group, coupling the compound of general formula III, thus obtained—wherein R1 and R2 are as defined above and A stands for a protective group—with acrylic acid C1-4ester; cyclizing the resulting compound of general formula IV—wherein R1 and R2 are as defined above—with a compound capable for introducing a protective group, coupling the compound of formula III thus obtained,—wherein R1 and R2 are as defined above and A stands for a protective group—with an acrylic acid C1-4ester, cyclizing the resulting compound of formula IV—wherein R1 and R2 are as defined above R3 stands for C1-4alkyl and A stands for a protective group—, eliminating the—COOR3 group and the A protective group of the keto-ester of general formula V—wherein R1 and R2 are as defined above, R3 stands for C1-4alkyl and A stands for a protective group—, optionally without isolation of the compounds of general formulae IV and/or V and/or VI.
    • 本发明涉及制备通式I的螺[(4-环己酮) - [3 H]吲哚] -2'[1'H] - 酮衍生物的方法,其中R 1和R 2独立代表氢,C1- 4-烷基,C 1-4烷氧基,C 1-4烷硫基,C 1-4多氟烷基,C 1-4多氟烷氧基,C 3-7环烷氧基,C 3-7环烷硫基,苯氧基,苄氧基或硝基,其特征在于使通式II的二氢吲哚-2-酮衍生物 - R1和R2如上定义 - 与能够引入保护基团的化合物偶合,由此得到的通式III化合物 - 其中R 1和R 2如上所定义,A代表保护基 - 与丙烯酸C1- 4ester; 使所得到的通式IV化合物(其中R 1和R 2如上定义)与可引入保护基的化合物环化,将所得式III化合物偶联,其中R 1和R 2如上所定义,A代表 保护基 - 与丙烯酸C1-4酯,使所得到的式IV化合物环化,其中R 1和R 2如上所定义。R3代表C 1-4烷基,A代表保护基,除去-COOR 3基团和 通式V的酮酯的保护基 - 其中R 1和R 2如上所定义,R 3表示C 1-4烷基,A代表保护基 - 任选地不分离通式IV和/或 V和/或VI。