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    • 8. 发明公开
    • N-TERT-BUTOXYCARBONYL-2-PYRROLIDINONES AND PROCESS FOR PRODUCING THE SAME
    • N-TERT.-BUTOXYCARBONYL-2-PYRRIDIDONON VERFAHREN ZUR HERSTELLUNG
    • EP2008999A1
    • 2008-12-31
    • EP06767864.9
    • 2006-06-28
    • Sumitomo Chemical Company, Limited
    • HIRATA, NorihikoUEMURA, Toshitsugi
    • C07D207/27C07D207/404C07D209/52
    • C07D207/27C07D207/404C07D209/52
    • N-tert-butoxycarbonyl-2-pyrrolidinones of the following formula (1):

      [wherein, R 1 , R 2 , R 3 , R 4 , R 5 and R 6 represent each independently a hydrogen atom, halogen atom, cyano group, optionally substituted linear, branched or cyclic alkyl group having 1 to 10 carbon atoms, optionally substituted linear, branched or cyclic alkenyl group having 2 to 10 carbon atoms, optionally substituted aryl group having 6 to 20 carbon atoms, optionally substituted amino group, -OR a group, or -SR b group, R a and R b represent each independently a hydrogen atom, alkylcarbonyl group having 2 to 10 carbon atoms, arylcarbonyl group having 7 to 20 carbon atoms, aralkyl group having 7 to 20 carbon atoms, alkoxyalkyl group having 2 to 10 carbon atoms, trialkylsilyl group having 3 to 10 carbon atoms, alkyl group having 1 to 10 carbon atoms, aryl group having 6 to 20 carbon atoms,
      alternatively, R 1 and R 2 may be connected to form a >C=O group together with a carbon atom to which they are connected, R 3 and R 4 may be connected to form a >C=O group together with a carbon atom to which they are connected, R 5 and R 6 may be connected to form a >C=O group together with a carbon atom to which they are connected,
      any two of R 1 , R 2 , R 3 , R 4 , R 5 and R 6 may be connected to form an optionally substituted polymethylene group having 1 to 4 carbon atoms, one or no-mutually-adjacent two methylene groups constituting the polymethylene group may be substituted by an oxygen atom, one or two ethylene groups constituting the polymethylene group may be substituted by a vinylene group, no-mutually-adjacent two methylene groups constituting the polymethylene group may be mutually connected via an oxygen atom, methylene group, ethylene group or vinylene group.].
    • 下式(1)的N-叔丁氧基羰基-2-吡咯烷酮:[其中,R 1,R 2,R 3,R 4,R 5和R 6各自独立地表示氢原子,卤素原子,氰基, 任选取代的具有1-10个碳原子的直链,支链或环状烷基,任选取代的具有2-10个碳原子的直链,支链或环状烯基,任选取代的具有6至20个碳原子的芳基,任选取代的氨基,-OR 基团或-SR b基团,R a和R b各自独立地表示氢原子,具有2〜10个碳原子的烷基羰基,具有7〜20个碳原子的芳基羰基,具有7〜20个碳原子的芳烷基,烷氧基烷基 具有2至10个碳原子,具有3至10个碳原子的三烷基甲硅烷基,具有1至10个碳原子的烷基,具有6至20个碳原子的芳基,或者R 1和R 2可以连接形成> C = O基团与它们连接的碳原子一起R 3 R 4可以连接成与其连接的碳原子一起形成> C = O基团,R 5和R 6可以与它们所连接的碳原子一起形成> C = O基团 R 1,R 2,R 3,R 4,R 5和R 6中的任何两个可以连接形成任选取代的具有1至4个碳原子的多亚甲基,一个或不相互相邻的两个亚甲基构成 多亚甲基可以被氧原子取代,构成多亚甲基的一个或两个亚乙基可以被亚乙烯基取代,构成多亚甲基的不相邻的两个亚甲基可以通过氧原子相互连接,亚甲基 基团,亚乙基或亚乙烯基。