Fluorinated carbamates, processes for their preparation, insecticidal compositions comprising them, and controlling insects thereby
申请人:E.I. DU PONT DE NEMOURS AND COMPANY
公开号:EP0026569A1
公开(公告)日:1981-04-08
Compounds of general formulae
and
wherein X and Y are independently H or F;
where
R3is CFXY, CON(CH3)2, CH2OCH3, or C1-C3 alkyl;
R4 is H or CH3;
n is 1 or2;
m is 0 or 1;
p is 0,1 or 2;
R5 and R6 are independantly H, alkyl or optionally substituted phenyl, and
exhibit insecticidal activity. They may be formulated for use in conventional manner The compounds (la) can be made by a variety of acylation reactions between oximes or phenols R'OH and the appropriate biscarbamoyl fluoride in the presence of an acid acceptor, compounds (Ib) being obtainable as intermediates in some ofthese reactions.
通式化合物
和
其中 X 和 Y 独立地为 H 或 F;
其中
R3 是 CFXY、CON(CH3)2、CH2OCH3 或 C1-C3 烷基;
R4 是 H 或 CH3;
n 是 1 或 2
m 是 0 或 1
p 为 0、1 或 2;
R5 和 R6 分别为 H、烷基或任选取代的苯基,并且
具有杀虫活性。化合物(la)可通过肟或苯酚 R'OH 与适当的双氨基甲酰氟在酸受体存在下发生的各种酰化反应制得,化合物(Ib)可作为其中某些反应的中间体获得。