申请人:Novartis AG
公开号:EP0780372A2
公开(公告)日:1997-06-25
Compounds of the formula I
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
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, 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
及其二硫化物和盐类是制备具有杀微生物和植物免疫作用的式 III 化合物的重要中间产物
在式 I 和 III 的化合物中:
X 是卤素
n 是 0、1、2 或 3;
Z 是 CN、CO-A 或 CS-A、
A 是氢、卤素、OR1、SR2 和 N(R3)R4;
R1 至 R4 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烃基、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烃基、取代或未取代的苄基或苯乙基、含有不超过 8 个碳原子的取代或未取代的烷酰基、取代或未取代的苯甲酰基或取代或未取代的杂环基;或 R3 和 R4,连同与之键合的氮原子,是具有 1-3 个杂原子 O、S 和/或 N 的 5 或 6 元取代或未取代杂环基。
描述了制备式 I 化合物的工艺。