Insecticides
    1.
    发明授权
    Insecticides 失效
    杀虫剂

    公开(公告)号:US3720703A

    公开(公告)日:1973-03-13

    申请号:US3720703D

    申请日:1970-07-02

    Applicant: NAT RES DEV

    Inventor: ELLIOTT M JANES N

    Abstract: WHERE X1 is halogen, alkyl, alkenyl or aryl, X2, X3 and X4 are hydrogen, halogen or alkyl, R1 and R2 and hydrogen or alkyl and R3 is a group having carbon-carbon unsaturation Alpha to the CH2 group to which R3 is bonded, e.g., R3 phenyl, are prepared by esterification.

    Synthetic pyrethroid insecticides, having no methyl substituent in the 3 position on the cyclopentenone ring, and of formula

    Abstract translation: 合成的拟除虫菊酯类杀虫剂,在环戊烯酮环上3位没有甲基取代基,式WHERE X1是卤素,烷基,烯基或芳基,X 2,X 3和X 4是氢,卤素或烷基,R 1和R 2以及氢或烷基 R3是与R3键合的CH2基的碳 - 碳不饱和度α,例如R3 =苯基的基团,通过酯化制备。

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