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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 981819Generated: October 31, 2026

Acetic Acid → HCID 21278591, compound

https://huagongshe.com/reaction/981819

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetic AcidHCID 176—
ReactantFormic AcidHCID 284—
ReactantWaterHCID 962—
ReactantTriethylamineHCID 8471—
ReactantHCID 86744611HCID 86744611—
CatalystPalladiumHCID 23938—
ProductHCID 21278591HCID 21278591—

Reaction Steps

240 mg of palladium at a concentration of 10% on calcium carbonate are added to 0.012 mole (4 g) of 4-chloro-2-(β,γ-dihydroxypropyl)amino-6-(β,γ-dihydroxypropyl)-aminonitrobenzene in 8.6 ml of triethylamine. 0.8 ml of acetic acid and 1.65 ml of formic acid are then added dropwise. The reaction mixture is heated under reflux for 7 hours. 10 ml of water are added. The reaction mixture diluted in this manner is filtered hot to remove the catalyst. The filtrate is evaporated to dryness under vacuum in the presence of absolute ethanol. The residue is dissolved in the minimum quantity of water. The expected product is extracted with ethyl acetate. The ethyl acetate phases are evaporated to dryness, after drying over sodium sulphate. After a small quantity of water has been added to the oil obtained, the expected product precipitates. Recrystallized from ethyl acetate, it melts at 138° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04992586
Source datasetuspto-grants-1991_02
ORD IDord-f48dbbf9a2b34e658861653d712680d9
Source noteuspto-grants-1991_02