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    • 10. 发明授权
    • Process for preparing 4-aminopyrimidine compound
    • 4-氨基嘧啶化合物的制备方法
    • US07619084B2
    • 2009-11-17
    • US11666510
    • 2005-10-28
    • Shigeyoshi NishinoKenji HirotsuHidetaka ShimaTakashi Harada
    • Shigeyoshi NishinoKenji HirotsuHidetaka ShimaTakashi Harada
    • C07D239/02
    • C07D239/42
    • The present invention is to provide a process for preparing a 4-aminopyrimidine compound represented by the formula (3): wherein R1 and R2 each represent a hydrogen atom or group which does not participate in the reaction and which may have a substituent(s), and R1 and R2 may be bonded to each other to form a ring, and R4 represents a hydrogen atom or a hydrocarbon group, which comprises reacting ammonia, a 3-substituted or unsubstituted acrylonitrile compound represented by the formula (1): CR1(CN)═CR2Y  (1) wherein R1 and R2 have the same meanings as defined above, and Y represents an amino group or OR, where R represents a hydrogen atom or a hydrocarbon group, and an organic acid compound represented by the formula (2): (R3O)3CR4  (2) wherein R3 represents a hydrocarbon group, and R4 has the same meaning as defined above.
    • 本发明提供一种制备式(3)表示的4-氨基嘧啶化合物的方法:其中R1和R2各自表示氢原子或不参与反应的基团,并且可以具有取代基, R 1和R 2可以彼此键合形成环,R 4表示氢原子或烃基,其包括使氨,3-取代或未取代的由式(1)表示的丙烯腈化合物:CR1( CN)-CR2Y(1)其中R1和R2具有与上述相同的含义,Y表示氨基或OR,其中R表示氢原子或烃基,和由式(2)表示的有机酸化合物 ):(R3O)3CR4(2)其中R3表示烃基,R4具有与上述相同的含义。