US 12,391,649 B2
Method for producing difluoromethyl-substituted aromatic heterocyclic compound
Yoshitaka Nomura, Tokyo (JP); and Eiichiro Anraku, Tokyo (JP)
Assigned to AGC Inc., Tokyo (JP)
Filed by AGC Inc., Tokyo (JP)
Filed on Jul. 26, 2022, as Appl. No. 17/815,064.
Application 17/815,064 is a continuation of application No. PCT/JP2021/003821, filed on Feb. 3, 2021.
Claims priority of application No. 2020-019210 (JP), filed on Feb. 6, 2020.
Prior Publication US 2022/0380313 A1, Dec. 1, 2022
Int. Cl. C07D 215/12 (2006.01); C07D 213/26 (2006.01); C07D 213/84 (2006.01); C07D 215/48 (2006.01); C07D 233/70 (2006.01); C07D 237/30 (2006.01); C07D 241/42 (2006.01); C07D 277/64 (2006.01)
CPC C07D 215/12 (2013.01) [C07D 213/26 (2013.01); C07D 213/84 (2013.01); C07D 215/48 (2013.01); C07D 233/70 (2013.01); C07D 237/30 (2013.01); C07D 241/42 (2013.01); C07D 277/64 (2013.01)] 9 Claims
 
1. A method for producing a difluoromethyl-substituted aromatic heterocyclic compound having a partial structure represented by formula (II) comprising:
reacting an N-oxido aromatic heterocyclic compound having a partial structure represented by formula (I) with tetrafluoroethylene in at least one solvent selected from the group consisting of an aromatic hydrocarbon, an ester, and an ether

OG Complex Work Unit Chemistry

OG Complex Work Unit Chemistry