国家/地区 中国（6）
IPC部 C（6） B（5）
IPC大类 C07（6） B01（5）
IPC小类 C07D（6）
IPC C07D307/68（6）
发明人 DU Z（4） SUN Q（4） ZHENG L（4）
ZONG B（4） LI Z（2）
公开年 2021（6）
申请年 2019（4）  2021（2） 
专利权人 CHINA PETROL.（4） SINOPEC RES .（4） CHINA PETROL.（3）

Preparing 2,5-furandicarboxylic acid from carbohydrates involves dissolving carbohydrate compound in polar aprotic organic solvent to obtain solution A, heating solution A and dehydrating under the catalysis of solid acid catalyst.

LI Z, LI X, SU K

Preparing 2,5-furandicarboxylic acid by reacting material containing 2,5-furandimethanol and alkali source in presence of catalyst, where catalyst comprises active component and carrier and active component is chosen from noble metals.

ZHANG J, LI Z, HAO P, ZHAO X

Preparing furoic acid comprises contacting aqueous solution of furfural with catalyst under air and/or oxygen conditions and carrying out catalytic oxidation reaction.

ZHENG L, SUN Q, DU Z, ZONG B

Preparing furoic acid comprises e.g. adding aqueous solution of furfural and catalyst, carrying out catalytic oxidation reaction to obtain furoic acid, and catalyst is obtained by mixing front carrier and basic nitrogen-containing compound.

ZHENG L, SUN Q, DU Z, ZONG B

Preparing 5-hydroxymethyl furoic acid, comprises contacting aqueous solution of 5-hydroxymethyl furfural with catalyst under air and/or oxygen conditions, and carrying out catalytic oxidation reaction.

ZHENG L, SUN Q, DU Z, ZONG B

Preparing 5-hydroxymethyl furoic acid comprises placing 5-hydroxymethyl furfural and catalyst in mixed solution of water and organic solvent under air and/or oxygen conditions, and carrying out catalytic oxidation reaction.

ZHENG L, SUN Q, DU Z, ZONG B