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    • 3. 发明申请
    • A PROCESS FOR DIMETHYLATION OF ACTIVE METHYLENE GROUPS
    • 活性甲基团的二甲基化方法
    • WO2010112482A1
    • 2010-10-07
    • PCT/EP2010/054151
    • 2010-03-30
    • LEK PHARMACEUTICALS D.D.JENKO, BrankoCOPAR, Anton
    • JENKO, BrankoCOPAR, Anton
    • C07C231/12C07C253/30C07C255/19C07C237/06A61K31/275A61K31/16
    • C07C253/30C07C231/12C07C237/06C07C255/19
    • The present invention discloses a process for dimethylation of active methylene groups. Specifically, the invention discloses aprocess for preparing3-amino-2,2- dimethylpropanamide. Compounds produced by the present dimethylation process such as 3-amino-2,2-dimethylpropanamide can be used as intermediates in the route of synthesis of therapeutic, prophylactic or diagnostic agent, for example aliskiren or cryptophycin. Particularly, the invention relates to embodiments further extending to processesfor preparing pharmaceutical dosage form comprising said therapeutic, prophylactic or diagnostic agents. More specifically, the invention relates to the use of compounds produced by the present dimethylation process for the manufacture of therapeutic, prophylactic or diagnostic agents or for the manufacture of pharmaceutical dosage forms comprising said therapeutic, prophylactic or diagnostic agents. The processes according to the present invention can be beneficially applied for the synthesis of various active pharmaceutical ingredients, such as aliskiren or crypthophycin.
    • 本发明公开了一种活性亚甲基二甲基化方法。 具体地说,本发明公开了3-氨基-2,2-二甲基丙酰胺的制备方法。 通过本发明的二甲基化方法制备的化合物如3-氨基-2,2-二甲基丙酰胺可用作合成治疗,预防或诊断剂例如阿利吉仑或隐霉素的途径中的中间体。 特别地,本发明涉及进一步延伸至制备包含所述治疗性预防或诊断剂的药物剂型的方法的实施方案。 更具体地,本发明涉及通过本发明的二甲基化方法制备的化合物在制备治疗,预防或诊断剂中的用途,或用于制备包含所述治疗,预防或诊断剂的药物剂型。 根据本发明的方法可有利地用于合成各种活性药物成分,例如阿利吉仑或crypthophycin。