Halogenation process

Details Halogenation process Halogenation process

C - Chemistry, Metallurgy

07

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C07D 239/72 (2006.01) C07D 239/88 (2006.01) C07D 239/90 (2006.01) C07D 401/12 (2006.01) C07D 403/12 (2006.01) C07D 405/12 (2006.01) C07D 409/12 (2006.01) C07D 417/12 (2006.01) C07F 9/54 (2006.01)

Patent

CA 2008079

X-7687 ABSTRACT A process for preparing nitrogen-containing heterocyclic compounds that are chloro or bromo substi- tuted at a ring position adjacent to the ring nitrogen atom which comprises reacting a hydroxy-substituted start- ing material with the kinetic form of a triphenylphosphite- halogen complex.

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