US 11,753,362 B2
Method of oxidizing glycolaldehyde using nitric acid
Zhen Yan, Taiyuan (CN); Bright Kusema, Shanghai (CN); Sergio Mastroianni, Lyons (FR); Stéphane Streiff, Shanghai (CN); and Philippe Marion, Vernaison (FR)
Assigned to RHODIA OPERATIONS, Aubervilliers (FR)
Appl. No. 17/612,088
Filed by RHODIA OPERATIONS, Aubervilliers (FR)
PCT Filed Jun. 4, 2019, PCT No. PCT/CN2019/089998
§ 371(c)(1), (2) Date Nov. 17, 2021,
PCT Pub. No. WO2020/243907, PCT Pub. Date Dec. 10, 2020.
Prior Publication US 2022/0213018 A1, Jul. 7, 2022
Int. Cl. C07C 51/27 (2006.01)
CPC C07C 51/27 (2013.01) 14 Claims
 
1. A method of synthesizing at least one organic acid comprising oxidizing glycolaldehyde with nitric acid in the presence of a solvent, selected from the list consisting of water, ether, methanol and ethanol, and wherein the organic acid is glycolic acid, glyoxylic acid or a mixture thereof.