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1. (WO2018104214) METHOD FOR PRODUCING 5-(1-PHENYL-1H-PYRAZOLE-4-YL)-NICOTINAMIDE DERIVATIVES AND SIMILAR COMPOUNDS WITHOUT ISOLATING OR PURIFYING THE PHENYLHYDRAZINE INTERMEDIATE

Pub. No.:    WO/2018/104214    International Application No.:    PCT/EP2017/081343
Publication Date: Fri Jun 15 01:59:59 CEST 2018 International Filing Date: Tue Dec 05 00:59:59 CET 2017
IPC: C07D 401/04
C07D 231/12
A01N 43/56
Applicants: BAYER CROPSCIENCE AKTIENGESELLSCHAFT
Inventors: ERVER, Florian
MEMMEL, Frank
ARLT, Alexander
HALLENBACH, Werner
HARSCHNECK, Tobias
SCHOTES, Christoph
VELTEN, Robert
Title: METHOD FOR PRODUCING 5-(1-PHENYL-1H-PYRAZOLE-4-YL)-NICOTINAMIDE DERIVATIVES AND SIMILAR COMPOUNDS WITHOUT ISOLATING OR PURIFYING THE PHENYLHYDRAZINE INTERMEDIATE
Abstract:
A method for producing 5-(1-phenyl-1H-pyrazole-4-yl)-nicotinamide derivatives and similar compounds of formula (I) by converting an aniline into a 1-phenyl-1H-pyrazole derivative without isolating or purifying the phenylhydrazine intermediate.