US 11,919,833 B2
Compound and method for producing same
Aoi Yokoo Yamazoe, Chiyoda-ku (JP); and Yutaka Kanbara, Niigata (JP)
Assigned to MITSUBISHI GAS CHEMICAL COMPANY, INC., Chiyoda-ku (JP)
Appl. No. 18/252,821
Filed by MITSUBISHI GAS CHEMICAL COMPANY, INC., Chiyoda-ku (JP)
PCT Filed Apr. 12, 2022, PCT No. PCT/JP2022/017570
§ 371(c)(1), (2) Date May 12, 2023,
PCT Pub. No. WO2022/230656, PCT Pub. Date Mar. 11, 2022.
Claims priority of application No. 2021-073893 (JP), filed on Apr. 26, 2021.
Prior Publication US 2023/0416187 A1, Dec. 28, 2023
Int. Cl. C07C 211/27 (2006.01); C07C 209/48 (2006.01); C07C 253/30 (2006.01); C07C 255/33 (2006.01)
CPC C07C 211/27 (2013.01) [C07C 209/48 (2013.01); C07C 253/30 (2013.01); C07C 255/33 (2013.01)] 9 Claims
 
1. A method for producing a methyl-adduct compound, the method comprising methylating, in the presence of potassium carbonate and dimethyl carbonate, a dinitrile compound represented by Formula (1) below:

OG Complex Work Unit Chemistry
to obtain a methyl-adduct compound represented by Formula (2) below:

OG Complex Work Unit Chemistry
where in Formula (2),
R1˜R4 each independently represent hydrogen or methyl, and
from one to three of R1˜R4 are each methyl.