公开(公告)号：IL176472A

公开(公告)日：2010-11-30

申请号：IL17647206

申请日：2006-06-21

Applicant: DOW AGROSCIENCES LLC ,  GEBHARDT JOACHIM ,  GOTZ NORBERT ,  JAEDICKE HAGEN ,  MAYER GUIDO ,  RACK MICHAEL

Inventor： GEBHARDT JOACHIM ,  GOTZ NORBERT ,  JAEDICKE HAGEN ,  MAYER GUIDO ,  RACK MICHAEL

IPC: C07C321/08 ,  C07C323/60 ,  C07D213/64 ,  C07D213/71 ,  C07F9/40

Abstract: Process for the preparation of substituted pyridine derivatives of formula (I) comprising reaction of a α-&bgr;-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.