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    • 5. 发明公开
    • METHOD FOR PRODUCING A SUBSTITUTED BENZOIC ACID COMPOUND
    • 生产取代的苯甲酸化合物的方法
    • EP2848612A1
    • 2015-03-18
    • EP13788182.7
    • 2013-04-30
    • Ishihara Sangyo Kaisha, Ltd.
    • JONISHI, HisayoshiOKAMOTO, TomohiroADACHI, NorioISOGAI, AkihikoJUKUROGI, TatsuyaKONISHI, HideakiFUKUI, Fumihiro
    • C07D317/22C07D319/06
    • C07D319/06C07C317/22C07D317/22C07D317/26
    • To provide an industrial method for producing a substituted benzoic acid compound useful as an intermediate of pharmaceutical and agricultural chemicals with high purity and high yield.
      A compound represented by the formula (II):

      (wherein Q is a 5- or 6-membered saturated heterocyclic group (the heterocyclic group may be substituted by alkyl) containing one or two of at least one type of hetero atom selected from the group consisting of an oxygen atom and a sulfur atom, or dialkoxymethyl, T is trifluoromethyl, nitro, cyano, -SOA 1 , -SO 2 A 1 , -PO(OA 1 )(OA 2 ),-COA 1 , -CO 2 A 1 or -CONA 1 A 2 , each of A 1 and A 2 which are independent of each other, is a hydrogen atom, alkyl or haloalkyl, X is halogen, alkyl, haloalkyl, alkoxy, haloalkoxy, alkylthio, haloalkylthio, alkylsulfinyl, haloalkylsulfinyl, alkylsulfonyl, haloalkylsulfonyl, dialkylaminosulfonyl, di(haloalkyl)aminosulfonyl, nitro or cyano, Y is a chlorine atom, a bromine atom or an iodine atom, and n is an integer of from 1 to 6), carbon monoxide and a compound represented by the formula R-OH (wherein R is alkyl) are reacted, followed by hydrolysis to obtain a compound represented by the formula (I):

      wherein Q, T, X and n are as defined above.
    • 本发明提供一种工业方法,用于制备高纯度和高收率的用作医药和农药中间体的取代苯甲酸化合物。 式(II)所示的化合物,式中,Q表示5或6元的饱和杂环基(该杂环基可以被烷基取代),该杂环基中含有1或2个选自 其由氧原子和硫原子或二烷氧基甲基组成,T是三氟甲基,硝基,氰基,-SOA1,-SO2A1,-PO(OA1)(OA2), - COA1,-CO2A1或-CONA1A2,各自为A1和A2 烷基或卤代烷基,X是卤素,烷基,卤代烷基,烷氧基,卤代烷氧基,烷硫基,卤代烷硫基,烷基亚磺酰基,卤代烷基亚磺酰基,烷基磺酰基,卤代烷基磺酰基,二烷基氨基磺酰基, 氰基,Y是氯原子,溴原子或碘原子,n是1至6的整数),一氧化碳和由式R-OH(其中R为烷基)表示的化合物反应,随后 通过水解得到式(I)代表的化合物:其中Q,T,X和n是a 如上所述。