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    • 90. 发明授权
    • 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
    • US06002013A
    • 1999-12-14
    • US148276
    • 1998-09-04
    • Walter KunzBeat Jau
    • Walter KunzBeat Jau
    • C07C319/02C07C319/12C07C323/63C07C327/26C07C335/22C07D277/82C07D285/14C07D277/62C07C255/07C07C321/08
    • C07D285/14C07C319/02C07C319/12C07C323/63C07C327/26C07C335/22C07D277/82
    • Compounds of the formula I ##STR1## 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 ##STR2## In the compounds of the formulae I and III: X is halogen,n is 0, 1, 2 or 3;Z is CN, CO--A or CS--A,A is hydrogen, halogen, OR.sub.1, SR.sub.2 and N(R.sub.3)R.sub.4 ;R.sub.1 to R.sub.4 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 R.sub.3 and R.sub.4, 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 NProcesses 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。 描述了公式I。