申请人:Ciba-Geigy Corporation
公开号:US04123551A1
公开(公告)日:1978-10-31
Compounds of the formula I ##STR1## wherein R.sub.1 represents a phenyl group substituted by one or two members selected from the group consisting of halogen, alkyl having at most 3 carbon atoms, trifluoromethyl, nitro and cyano; and either (i) R.sub.2 represents an alkyl group having at most 5 carbon atoms and R.sub.3 represents a methyl group or (ii) R.sub.2 and R.sub.3 together represent a tetramethylene or pentamethylene group; With the proviso that, when R.sub.2 and R.sub.3 both represent methyl groups or when R.sub.2 and R.sub.3 together represent a tetramethylene or pentamethylene group, R.sub.1 may not represent a 3-chlorophenyl, 4-chlorophenyl, 3,4-dichlorophenyl or 4-fluorophenyl group, possess valuable insecticidal properties.
公式I的化合物##STR1##其中R.sub.1代表苯基,该苯基被从卤素,最多有3个碳原子的烷基,三氟甲基,硝基和氰基中选择的一种或两种基团所取代; 而且,要么(i)R.sub.2代表最多有5个碳原子的烷基,R.sub.3代表甲基,要么(ii)R.sub.2和R.sub.3一起代表四亚甲基或五亚甲基基团; 前提是,当R.sub.2和R.sub.3都表示甲基基团或当R.sub.2和R.sub.3一起表示四亚甲基或五亚甲基基团时,R.sub.1不得表示3-氯苯基,4-氯苯基,3,4-二氯苯基或4-氟苯基,具有有价值的杀虫性能。