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US 2019/0225572 A1Published application
Method for producing 1,4-dicyanocyclohexane, 1,4-bis(aminomethyl)cyclohexane and 1,4-cyclohexanedicarboxylic acid
AssigneeMitsubishi Gas Chemical Company, Inc.
InventorsAkifumi IIDA, Yuta OHMORI, Emi NAKANO, Aoi YAMAZOE
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Abstract
A method for producing 1,4-dicyanocyclohexane, having a step of obtaining 1,4-dicyanocyclohexane by subjecting a heated concentrate of an aqueous ammonia solution of 1,4-cyclohexanedicarboxylic acid to a cyanation reaction.
Claims20
A method for producing 1,4-dicyanocyclohexane, comprising:
- obtaining 1,4-dicyanocyclohexane by subjecting a heated concentrate of an aqueous ammonia solution of 1,4-cyclohexanedicarboxylic acid to a cyanation reaction.
A method for producing 1,4-cyclohexanedicarboxylic acid, comprising:
- obtaining 1,4-cyclohexanedicarboxylic acid by subjecting terephthalic acid in an aqueous ammonia solution to a hydrogenation reaction.
Dependencies are inferred from the claim text.