Invention Application
- Patent Title: METHOD FOR PRODUCING SUBSTITUTED ANTHRANILIC ACID DERIVATIVES
- Patent Title (中): 生产取代的苯甲酸衍生物的方法
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Application No.: US14375496Application Date: 2013-02-06
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Publication No.: US20150011772A1Publication Date: 2015-01-08
- Inventor: Thomas Himmler , Sergii Pazenok , Frank Volz , Norbert Lui
- Applicant: BAYER INTELLECTUAL PROPERTY GMBH
- Priority: EP12154290.6 20120207
- International Application: PCT/EP2013/052350 WO 20130206
- Main IPC: C07C253/30
- IPC: C07C253/30 ; C07D401/14 ; C07C255/60
Abstract:
The present invention relates to a process for preparing substituted anthranilic acid derivatives of the formula (I) in which R1, R2, R3 and R4 are each as defined in the description, by conversion of compounds of the general formula (IV) in the presence of a palladium catalyst and carbon monoxide. The present invention likewise relates to compounds of the general formula (IV).
Information query
