US 11,718,587 B2
Compound, epoxy curing catalyst and method for producing compound
Kunihiro Noda, Kawasaki (JP); Hiroki Chisaka, Kawasaki (JP); Issei Suzuki, Kawasaki (JP); Jiro Hikida, Kawasaki (JP); Dai Shiota, Kawasaki (JP); Kieko Hanano, Tokyo (JP); Kyohei Ishida, Tokyo (JP); Tsutomu Watanabe, Tokyo (JP); and Kazuhiro Uehara, Tokyo (JP)
Assigned to Tokyo Ohka Kogyo Co., Ltd., Kawasaki (JP); and Daicel Corporation, Osaka (JP)
Appl. No. 16/648,585
Filed by TOKYO OHKA KOGYO CO., LTD., Kawasaki (JP); and Daicel Corporation, Osaka (JP)
PCT Filed Sep. 26, 2018, PCT No. PCT/JP2018/035772
§ 371(c)(1), (2) Date Mar. 18, 2020,
PCT Pub. No. WO2019/065770, PCT Pub. Date Apr. 4, 2019.
Claims priority of application No. 2017-191740 (JP), filed on Sep. 29, 2017.
Prior Publication US 2020/0283567 A1, Sep. 10, 2020
This patent is subject to a terminal disclaimer.
Int. Cl. C07D 233/60 (2006.01); C07D 233/58 (2006.01)
CPC C07D 233/60 (2013.01) [C07D 233/58 (2013.01)] 4 Claims
 
1. A compound represented by the following formula (1):

OG Complex Work Unit Chemistry
wherein Xm+ represents an m-valent counter cation; R1 represents an optionally substituted aromatic group; R2 represents an optionally substituted alkylene group; R3 represents a halogen atom, a hydroxyl group, a mercapto group, a sulfide group, a silyl group, a silanol group, a nitro group, a nitroso group, a sulfonate group, a phosphino group, a phosphinyl group, a phosphonate group, or an organic group; m is an integer of 1 or more; n is an integer of 0 or more and 3 or less; and R2 may be bonded to R1 to form a cyclic structure
wherein the m-valent counter cation Xm+ is acyclic or cyclic nitrogen-containing aliphatic cation, or a nitrogen-containing aromatic cation, and
wherein the acyclic nitrogen-containing aliphatic cation is selected from the group consisting of the following three cations:

OG Complex Work Unit Chemistry