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    • 10. 发明申请
    • 3-amino-2-mercaptobenzoic acid derivatives and processes for their preparation
    • 3-氨基-2-巯基苯甲酸衍生物及其制备方法
    • US20020040157A1
    • 2002-04-04
    • US09963046
    • 2001-09-25
    • Walter KunzBeat Jau
    • C07C327/26C07C321/26
    • C07D285/14C07C323/63C07C327/26C07C335/22C07D277/82
    • Compounds of the formula I 1 and disulfides thereof and salts thereof are important intermediate products for the preparation of compounds having a microbicidal and plant-immunizing action, of the formula III 2 In the compounds of the formulae I and III: X is halogen, n is 0,1,2 or 3; Z is CN, COnullA or CSnullA, A is hydrogen, halogen, OR1, SR2 and N(R3)R4; R1 to R4 are hydrogen, a substituted or unsubstituted, open-chain, saturated or unsaturated hydrocarbon radical containing not more than 8 carbon atoms, a substituted or unsubstituted cyclic, saturated or unsaturated hydrocarbon radical containing not more than 10 carbon atoms, substituted or unsubstituted benzyl or phenethyl, a substituted or unsubstituted alkanoyl group containing not more than 8 carbon atoms, a substituted or unsubstituted benzoyl group or a substituted or unsubstituted heterocyclyl radical; or R3 and R4, together with the nitrogen atom to which they are bonded, are a 5- or 6-membered, substituted or unsubstituted heterocyclic radical having 1-3 heteroatoms O, S and/or N. Processes for the preparation of compounds of the formula I are described.
    • 式I化合物及其二硫化物及其盐是制备具有式III的杀微生物和植物免疫作用的化合物的重要中间产物。在式I和III化合物中:X为卤素,n为0 ,1,2或3; Z是CN,CO-A或CS-A,A是氢,卤素,OR1,SR2和N(R3)R4; R 1至R 4为氢,取代或未取代的含有不超过8个碳原子的开链,饱和或不饱和烃基,取代或未取代的含有不多于10个碳原子的环状,饱和或不饱和烃基,取代或未取代的 苄基或苯乙基,取代或未取代的不超过8个碳原子的烷酰基,取代或未取代的苯甲酰基或取代或未取代的杂环基; 或R 3和R 4与它们所键合的氮原子一起是具有1-3个杂原子O,S和/或N的5或6元取代或未取代的杂环基。用于制备 描述了式I。