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    • 38. 发明授权
    • 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
    • US08049029B2
    • 2011-11-01
    • US12516807
    • 2007-12-18
    • Joerg BrueningGary David AnnisDonald J DumasRafael Shapiro
    • Joerg BrueningGary David AnnisDonald J DumasRafael Shapiro
    • C07C253/00
    • 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.
    • 公开了一种制备式1化合物的方法,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(其中R1是NHR3或OR4)接触 ; 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为Br或Cl; X为NR 13或O; n为0或1; 并且R5,R6,R7,R8,R9,R10,R11,R12和R13如本公开所定义。 还公开了制备式2化合物的方法,其中Y是Br,R 1是NHR 3,包括将含溴的气体引入含有式4化合物的液体中,并且还公开了制备式5化合物的方法,其中 R14,R15,R16和Z如本公开中所定义,使用式1的化合物,其特征在于通过上述方法制备式1的化合物。