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    • 7. 发明公开
    • PROCESS FOR PREPARING 2-AMINO-5-CYANOBENZOIC ACID DERIVATIVES
    • 制备2-氨基-5-氰基苯甲酸衍生物的方法
    • EP2162440A2
    • 2010-03-17
    • EP08780919.0
    • 2008-06-23
    • E. I. Du Pont de Nemours and Company
    • ANNIS, Gary, David
    • C07D231/14C07D401/04C07C253/14C07C255/58C07F15/04
    • C07D401/04C07C253/14C07D231/14C07F15/04C07C255/58
    • Disclosed is a method for preparing a compound of Formula 1 comprising (1) contacting a compound of Formula 2, with (2) at least one alkali metal cyanide and (3) at least one compound of Formula (4); wherein R1 is NHR3 or OR4; R2 is CH3 or Cl; R3 is H, C1-C4 alkyl, cyclopropyl, cyclopropylcyclopropyl, cyclopropylmethyl or methylcyclopropyl; R4 is H or C1-C4 alkyl; and X is Br, Cl or I. Also disclosed is a method for preparing a compound of Formula (4 )comprising contacting a mixture of (i) at least one compound of Formula (9 )and (ii) at least one metal reducing agent with (iii) dichlorobis(triphenylphosphine)nickel, and further disclosed is a method for removing nickel impurities from a mixture thereof with compounds of Formula (1 )comprising contacting the mixture with oxygen in the presence of an aqueous cyanide solution, and additionally disclosed is a method for preparing a compound of Formula (5); wherein R5, R6, R7 and Z are as defined in the disclosure, using a compound of Formula (1,) characterized by preparing the compound of Formula (1) by the method disclosed above.
    • 公开了用于制备式1化合物的方法,其包括(1)使式2的化合物与(2)至少一种碱金属氰化物和(3)至少一种式(4)的化合物接触; 其中R1是NHR3或OR4; R2是CH3或Cl; R3是H,C1-C4烷基,环丙基,环丙基环丙基,环丙基甲基或甲基环丙基; R4是H或C1-C4烷基; 还公开了制备式(4)化合物的方法,其包括使(i)至少一种式(9)化合物和(ii)至少一种金属还原剂 与(iii)二氯双(三苯基膦)镍反应,并进一步公开了一种从式(1)化合物的混合物中除去镍杂质的方法,该方法包括在氰化物水溶液存在下使混合物与氧气接触, 制备式(5)化合物的方法; 其中R5,R6,R7和Z如本发明中所定义,使用式(1)化合物,其特征在于通过上述公开的方法制备式(1)化合物。
    • 8. 发明公开
    • PROCESS FOR PREPARING 2-AMINO-5-CYANOBENZOIC ACID DERIVATIVES
    • 制备2-氨基-5-氰基苯甲酸衍生物的方法
    • EP2094644A2
    • 2009-09-02
    • EP07867794.5
    • 2007-12-18
    • E. I. Du Pont de Nemours and Company
    • ANNIS, Gary, DavidBRUENING, JoergCURRIE, Martin, JamesDUMAS, Donald, JosephSHAPIRO, Rafael
    • C07C231/12C07C253/14C07C233/65C07C255/58C07D401/04
    • C07C253/14C07C231/12C07C233/65C07C255/58
    • Disclosed is a method for preparing a compound of Formula (1) comprising contacting a compound of Formula (2) with a metal cyanide reagent, a copper (I) salt reagent, an iodide salt reagent and at least one compound of Formula (3): wherein R1 is NHR3 or OR4; R2 is CH3 or Cl; R3 is H, C1-C4 alkyl, cyclopropyl, cyclopropylcyclopropyl, cyclopropylmethyl or methylcyclopropyl; R4 is H or C1-C4 alkyl; Y is Br or Cl; X is NR13 or O; n is 0 or 1; and R5, R6, R7, R8, R9, R10, R11, R12 and R13 are as defined in the disclosure. Also disclosed is a method for preparing a compound of Formula (2) wherein Y is Br and R1 is NHR3 comprising introducing a gas containing bromine into a liquid containing a compound of Formula (4), and further disclosed is a method for preparing a compound of Formula (5) wherein R14, R15, R16 and Z are as defined in the disclosure using a compound of Formula (1) characterized by preparing the compound of Formula (1) by the method disclosed above.
    • 公开了用于制备式(1)化合物的方法,其包括使式(2)化合物与金属氰化物试剂,铜(I)盐试剂,碘化物盐试剂和至少一种式(3)化合物接触, :其中R1是NHR3或OR4; R2是CH3或Cl; R3是H,C1-C4烷基,环丙基,环丙基环丙基,环丙基甲基或甲基环丙基; R4是H或C1-C4烷基; Y是Br或Cl; X是NR 13或O; n是0或1; 和R5,R6,R7,R8,R9,R10,R11,R12和R13如本发明中所定义。 还公开了用于制备其中Y为Br且R 1为NHR 3的式(2)化合物的方法,其包括将含溴气体引入含有式(4)化合物的液体中,并且还公开了制备化合物 (5)的化合物,其中R 14,R 15,R 16和Z如本公开中所定义,使用式(1)化合物,其特征在于通过上述公开的方法制备式(1)化合物。