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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1601855Generated: October 30, 2026

Glycolic Acid → HCID 178423977, compound

https://huagongshe.com/reaction/1601855

Reaction equation

Participants

RoleNameHCIDCharge
ReactantGlycolic AcidHCID 757—
Reactant4,6-Dimethylpyridine-2,3-diamineHCID 11029902—
SolventTolueneHCID 1140—
ProductHCID 178423977HCID 17842397715.2%

Reaction Steps

A mixture of 13.72 g of 2,3-diamino-4,6-dimethylpyridine and 25 g of glycolic acid in 200 ml of toluene was heated under reflux for 3.5 hours, whilst distilling off azeotropically the water formed in the course of the reaction. At the end of this time, the reaction mixture was freed from the toluene by decantation and the oily residue was purified by column chromatography through silica gel, using a gradient elution method, with mixtures of ethanol and ethyl acetate in ratios ranging from 2:3 to 1:1 by volume as a eluent, to give 2.7 g of the title compound, melting at 244-246° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05977365
Source datasetuspto-grants-1999_11
ORD IDord-d7015f484d5445a59009deabc90bca82
Source noteuspto-grants-1999_11