Invention Grant
- Patent Title: Process for the preparation of pyridine derivatives
- Patent Title (中): 吡啶衍生物的制备方法
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Application No.: US10584354Application Date: 2004-12-22
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Publication No.: US07687632B2Publication Date: 2010-03-30
- Inventor: Joachim Gebhardt , Norbert Götz , Hagen Jaedicke , Guido Mayer , Michael Rack
- Applicant: Joachim Gebhardt , Norbert Götz , Hagen Jaedicke , Guido Mayer , Michael Rack
- Applicant Address: US IN Indianapolis
- Assignee: Dow AgroSciences LLC
- Current Assignee: Dow AgroSciences LLC
- Current Assignee Address: US IN Indianapolis
- Agent Craig E. Mixan
- Priority: EP03029730 20031223
- International Application: PCT/EP2004/014590 WO 20041222
- International Announcement: WO2005/063780 WO 20050714
- Main IPC: C07D211/72
- IPC: C07D211/72 ; C07F9/02
Abstract:
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.
Public/Granted literature
- US20070249837A1 Process for the Preparation of Pyridine Derivatives Public/Granted day:2007-10-25
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