[EN] PROCESS FOR THE PREPARATION OF PYRIDINE DERIVATIVES<br/>[FR] PROCEDE DE PREPARATION DE DERIVES DE PYRIDINE
申请人:BASF AG
公开号:WO2005063780A1
公开(公告)日:2005-07-14
Process for the preparation of substituted pyridine derivatives of formula (I) comprising reaction of a α-β-unsaturated carbonyl compound of formula (II) R3-C(O)-C(R1)=C(R2)-G with a Wittig reagent or Horner-Wadsworth-Emmons reagent in the presence of a base and optionally subsequent cyclization.