申请人:OTSUKA KAGAKU YAKUHIN
KABUSHIKI KAISHA
公开号:EP0132278A1
公开(公告)日:1985-01-30
Pyran derivatives represented by formula (I), wherein R, represents hydrogen, lower alkyl, cycloalkyl or phenyl, R2 represents C8-C20 alkyl, R3 represents hydrogen, halogen,
or
(wherein R4 and R5 each represents lower alkyl or cycloalkyl, and
represents a 5- or 6-membered ring structure, with A containing -CH2-, oxygen or nitrogen atom(s) (said ring structure being unsubstituted or optionally substituted by one or more lower alkyl, lower alkoxy or halogen) and acid addition salts thereof are useful as agricultural and horticultural acaricides.
由式(I)代表的吡喃衍生物,其中 R 代表氢、低级烷基、环烷基或苯基,R2 代表 C8-C20 烷基,R3 代表氢、卤素、
或
(其中 R4 和 R5 各自代表低级烷基或环烷基,并且
代表 5 或 6 元环结构,其中 A 含-CH2-、氧或氮原子(所述环结构未被取代或可选地被一个或多个低级烷基、低级烷氧基或卤素取代),其酸加成盐可用作农业和园艺杀螨剂。