Phthalimide derivatives, their preparation and their use as agricultural fungicides
申请人:SANKYO COMPANY LIMITED
公开号:EP0152021A2
公开(公告)日:1985-08-21
Compounds of formula (I):
in which
R1 and R2 are the same or different and each represents a C1-C6 alkyl group or a C2-C6 alkenyl group;
R3 represents hydrogen, a halogen atom or a C1-C6 alkyl group; and
R4 represents a carboxy group; a thiocarboxy group; a cyano group; a nitro group; an amino group; an amino group having 1 or 2 aliphatic carboxylic acyl substituents; a heterocyclic group; an aliphatic carboxylic acyl group; a C2-C4 alkenyl group; or a C1-C4 alkyl or C2-C4 alkenyl group having 1 or 2 substituents selected from the group consisting of groups of formula -XR5 (wherein X represents the oxygen or sulfur atom or the -NH- group, and R5 represents hydrogen, a C3-C8 cycloalkyl group, a C2-C4 alkenyl group, a C2-C4 alkynyl group, an aryl group, a carboxy group, an acyl group, a C,-C6 alkyl group, or a C1-C6 alkyl group having at least one substituent selected from the group consisting of cyano, nitro, C,-C4 alkoxy, aryl, aryloxy and C1-C4 alkylamino substituents), halogen atoms, heterocyclic groups, carboxy groups, thiocarboxy groups, cyano groups, aliphatic carboxylic acyl groups, aromatic carboxylic acyl groups, nitro groups, di(C1-C3 alkoxy)phosphoryl groups and hydroxyimino groups; and, where R4 represents a carboxy or thiocarboxy group or a group including said carboxy or thiocarboxy group, the corresponding acid halides, esters, amides and salts thereof;
and, where R4 represents a group including a hydroxy or mercapto group, esters thereof;
and, where R4 represents or includes a substituted or unsubstituted amino group, acid addition salts thereof are useful agricultural fungicides, being especially effective against club root.
式(I)化合物:
其中
R1 和 R2 相同或不同,各自代表一个 C1-C6 烷基或一个 C2-C6 烯基;
R3 代表氢、卤素原子或 C1-C6 烷基;以及
R4 代表羧基;硫代羧基;氰基;硝基;氨基;具有 1 或 2 个脂肪族羧酰基取代基的氨基;杂环基;脂肪族羧酰基;C2-C4 烯基;或具有 1 或 2 个取代基的 C1-C4 烷基或 C2-C4 烯基,这些取代基选自式 -XR5 (其中 X 代表氧原子或硫原子或 -NH- 基团,R5 代表氢、C3-C8 环烷基、C2-C4 烯基、C2-C4 炔基、芳基、羧基、酰基、C,-C6 烷基)组成的组、或具有至少一个取代基的 C1-C6 烷基,该取代基选自由氰基、硝基、C,-C4 烷氧基、芳基、芳氧基和 C1-C4 烷基氨基取代基、卤素原子、杂环基、羧基、硫代羧基、氰基、脂肪族羧酰基、芳香族羧酰基、硝基、二(C1-C3 烷氧基)磷酰基和羟基亚氨基组成的组;当 R4 代表羧基或硫代羧基或包括上述羧基或硫代羧基的基团时,相应的酸卤、酯、酰胺及其盐;
在 R4 代表包括羟基或巯基在内的基团的情况下,其酯;
当 R4 代表或包括取代或未取代的氨基时,其酸加成盐是有用的农用杀菌剂,对球根特别有效。