Process for the preparation of dihalobutyraldehydes

Details Process for the preparation of dihalobutyraldehydes Process for the preparation of dihalobutyraldehydes

C - Chemistry, Metallurgy

07

C

260/570.9

C07C 47/14 (2006.01) C07C 45/63 (2006.01) C07C 45/65 (2006.01)

Patent

CA 2009013

Process for the preparation of dihalobutyraldehydes Abstract of the Disclosure Dihalobutyraldehydes of formula I Image (I) wherein X and Y are each independently of the other Cl or Br, are obtainable at high rates of conversion and with excellent selectivities by catalytic dehalogenation with hydrogen by carrying out the reaction with appropriate .alpha.,.alpha.-dihalobutyraldehydes in an organic aprotic solvent. The dihalobutyraldehydes are intermediates for the synthesis of herbicidal acyl cyclohexanediones.

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