Process for the preparation of intermediates for oxime ether- or 2-phenyl-3-methyl propenoate-fungicides
申请人:ZENECA LIMITED
公开号:EP0711751A1
公开(公告)日:1996-05-15
Fungicidal compounds having the formula (I):
wherein W is CH₃O.CH=CCO₂CH₃, CH₃ON=CCONR³R⁴ or CH₃ON=CCO₂CH₃ and stereoisomers thereof; n is O or 1; X is oxygen or sulphur; Z is oxygen, sulphur or NR¹; R¹ is hydrogen or alkyl optionally substituted with halogen, C₁₋₆ alkoxy, C₂₋₆ alkenyl, C₂₋₆ alkynyl, C₃₋₆ cycloalkyl or aryl; R² is alkyl, haloalkyl, alkenyl, alkynyl, alkoxycarbonyl(C₁₋₄)alkyl, optionally substituted aryl, optionally substituted heteroaryl, optionally substituted aryl(C₁₋₄)alkyl, optionally substituted heteroaryl(C₁₋₄)alkyl, optionally substituted aryloxy(C₁₋₄)alkyl, optionally substituted heteroaryloxy(C₁₋₄)alkyl, optionally substituted aryloxy(C₂₋₄)alkenyl, optionally substituted heteroaryloxy(C₂₋₄)alkenyl, optionally substituted aryl(C₂₋₄)alkenyl, optionally substituted heteroaryl(C₂₋₄)alkenyl, optionally substituted arylcarbonyl(C₁₋₄)alkyl, optionally substituted heteroarylcarbonyl(C₁₋₄)alkyl, optionally substituted aryloxycarbonyl(C₁₋₄)alkyl, optionally substituted heteroaryloxycarbonyl-(C₁₋₄)alkyl or -COR⁵; or R¹ and R² together form an optionally substituted 4-, 5- or 6-membered heterocyclic ring system; R³ and R⁴ are independently hydrogen or methyl; and R⁵ is optionally substituted heteroaryl or optionally substituted aryl; and processes for preparing, compositions comprising and methods of combating fungi using compounds of formula (I). Also provided is a process for the preparation of a compound of formula (XX):
wherein p is 0 or 1.
具有式 (I) 的杀真菌化合物:
其中 W 是 CH₃O。CH=CCO₂CH₃、CH₃ON=CCONR³R⁴或 CH₃ON=CCO₂CH₃及其立体异构体;n 是 O 或 1;X 是氧或硫;Z 是氧、硫或 NR¹;R¹ 是氢或任选被卤素、C₁₋₆ 烷氧基、C₂₋₆ 烯基、C₂₋₆ 炔基、C₃₋₆ 环烷基或芳基取代的烷基;R² 是烷基、卤代烷基、烯基、炔基、烷氧羰基(C₁₋₄)烷基、任选取代的芳基、任选取代的杂芳基、任选取代的芳基(C₁₋₄)烷基、任选取代的杂芳基(C₁₋₄)烷基、任选取代的芳氧基(C₁₋₄)烷基、任选取代的杂芳基氧基(C₁₋₄)烷基、任选取代的芳氧基(C₂₋₄)烯基、任选取代的杂芳基氧基(C₂₋₄)烯基、任选取代的芳基(C₂₋₄)烯基、任选取代的杂芳基(C₂₋₄)烯基、任选取代的芳羰基(C₁₋₄)烷基、任选取代的杂芳羰基(C₁₋₄)烷基、任选取代的芳氧羰基(C₁₋₄)烷基、任选取代的杂芳氧羰基-(C₁₋₄)烷基或 -COR⁵;或 R¹ 和 R² 共同形成任选取代的 4、5 或 6 元杂环系统;R³ 和 R⁴ 独立地为氢或甲基;且 R⁵ 为任选取代的杂芳基或任选取代的芳基;以及使用式 (I) 化合物制备真菌的工艺、包含真菌的组合物和防治真菌的方法。还提供了一种制备式(XX)化合物的工艺:
其中 p 为 0 或 1。