Title:
CF3O-CONTAINING ENAMINOKETONES AND THEIR UTILIZATION FOR PREPARATION OF CF3O-CONTAINING PYRAZOLES
Document Type and Number:
Japanese Patent JP2018008928
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a generally applicable and economically viable process which can be implemented on the industrial scale for preparing novel pyrazole derivatives.SOLUTION: The present invention provides a process for preparing enaminoketones represented by formula I by reacting ketones represented by formula II with an aminoformylation reagent. [Ris C5-C10 aryl, optionally substituted by 1 to 5 halogen atoms, or C5-C10 aryl having O or N; Rand Rare C1-6 alkyl, C5-10 aryl and the like].SELECTED DRAWING: None
Inventors:
SERGII PAZENOK
BERNARD LANGLOIS
THIERRY BILLARD
JULIEN BARBION
OLIVIER MARREC
JEAN-PIERRE VORS
BERNARD LANGLOIS
THIERRY BILLARD
JULIEN BARBION
OLIVIER MARREC
JEAN-PIERRE VORS
Application Number:
JP2017106304A
Publication Date:
January 18, 2018
Filing Date:
May 30, 2017
Export Citation:
Assignee:
BAYER IP GMBH
CENTRE NAT RECH SCIENT
CENTRE NAT RECH SCIENT
International Classes:
C07C221/00; C07C225/16; C07D231/18; C07D307/52; C07D405/04
Domestic Patent References:
| JPH061769A | 1994-01-11 | |||
| JP2010507602A | 2010-03-11 | |||
| JP2011522798A | 2011-08-04 |
Other References:
MARREC, OLIVIER; BILLARD, THIERRY; VORS, JEAN-PIERRE; PAZENOK, SERGII; LANGLOIS, BERNARD R.: "A deeper insight into direct trifluoromethoxylation with trifluoromethyl triflate", JOURNAL OF FLUORINE CHEMISTRY, vol. (2010), 131(2), 200-207, JPN6016027064, 2010, ISSN: 0003897098
Attorney, Agent or Firm:
Makoto Ono
Kenkyo Kanayama
Mitsuaki Tsubokura
Kazuki Shigemori
Kenji Ando
Hidehiko Ichikawa
Takahiro Aoki
Yoshie Sakurada
Yousuke Kawasaki
Takuya Gomibuchi
Toshikazu Imato
Yoshikazu Iwase
Yasufumi Shiroyama
Kenkyo Kanayama
Mitsuaki Tsubokura
Kazuki Shigemori
Kenji Ando
Hidehiko Ichikawa
Takahiro Aoki
Yoshie Sakurada
Yousuke Kawasaki
Takuya Gomibuchi
Toshikazu Imato
Yoshikazu Iwase
Yasufumi Shiroyama