Alpha-oximinobenzyl cyanides - useful as pesticide inters

    公开(公告)号:DE2150399A1

    公开(公告)日:1973-04-12

    申请号:DE2150399

    申请日:1971-10-09

    Applicant: HOECHST AG

    Abstract: Cpds. of formula (I) (where R1 and R2 are H, 1-3C haloalkoxy, CF3, F, Cl or Br, provided that >=1 is haloalkoxy or CF3; R3 is H, Cl or Me; Y is H, alkali metal (pref. na or K) or NH4) are pesticide inters. They are pref. prepd. by reacting the corresp. substd. benzyl halide with alkali metal cyanide to give the corrresp. benzyl cyanide, reacting this with alkali metal alcoholate and alkyl nitrite to give (I; Y = alkali metal) opt. acidifying this to give (I; Y = H) and opt. converting this into another salt.

Patent Agency Ranking