Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2244029Generated: November 1, 2026

Potassium Carbonate → HCID 68430670, compound

https://huagongshe.com/reaction/2244029

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium CarbonateHCID 11430—
ReactantOxalyl chlorideHCID 65578—
ReactantBenzoic acid, 3-amino-, methyl esterHCID 78274—
ReactantHCID 15614005HCID 15614005—
CatalystDimethylformamideHCID 6228—
SolventAcetoneHCID 180—
SolventHydrochloric AcidHCID 313—
SolventDichloromethaneHCID 6344—
ProductHCID 68430670HCID 6843067076.1%

Reaction Steps

Add one drop of dimethylformamide to a solution of 6-(4-acetyl-3-hydroxy-2-propyl-phenoxymethyl)-pyridine-2-carboxylic acid (800 mg, 2.43 mmol) and oxalyl chloride (0.23 mL, 2.67 mmol) in dichloromethane (24 mL) (gas evolution), stir 1 hour. Add a solution of methyl 3-aminobenzoate (365 mg, 2.43 mmol) and potassium carbonate (671 mg, 4.86 mmol) in acetone (16 mL). Stir resultant mixture for 16 hours. Dilute with dichloromethane (100 mL) and 1N hydrochloric acid (100 mL). Extract aqueous phase with dichloromethane, wash combined organic phase with saturated sodium bicarbonate solution. Dry organic phase over sodium sulfate and condense under reduced pressure. Triturate the residue in 1:1 acetone/diethyl ether. Dissolve resultant solid in ethyl acetate and wash with saturated sodium bicarbonate (2×), Dry organic phase over sodium sulfate and condense under reduced pressure to afford the title compound as a white solid (856 mg, 1.85 mmol). MS (m/z): 463 (M+1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07678794B2
Source datasetuspto-grants-2010_03
ORD IDord-11c73efaa97b4e2cb8d3ab39570d7b18
Source noteuspto-grants-2010_03