申请人:Novartis Corporation
公开号:US05770758A1
公开(公告)日:1998-06-23
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 N. Processes for the preparation of compounds of the formula I are described.
公式I ##STR1## 的化合物及其二硫化物和盐是制备具有抗微生物和植物免疫作用的化合物的重要中间体,公式III ##STR2## 在公式I和III的化合物中:X是卤素,n为0,1,2或3;Z是CN,CO-A或CS-A,A是氢,卤素,OR.sub.1,SR.sub.2和N(R.sub.3)R.sub.4;R.sub.1到R .sub.4是氢,含有不超过8个碳原子的取代或未取代的开链、饱和或不饱和碳氢基团,含有不超过10个碳原子的取代或未取代的环状、饱和或不饱和碳氢基团,取代或未取代的苄基或苄基乙基,含有不超过8个碳原子的取代或未取代的烷酰基团,取代或未取代的苯甲酰基团或取代或未取代的杂环基团;或R.sub.3和R.sub.4,与它们结合的氮原子一起,是具有1-3个杂原子O、S和/或N的5-或6-成员取代或未取代的杂环基团。描述了公式I化合物的制备方法。