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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1384187Generated: November 1, 2026

Pyridine → HCID 21707201, compound

https://huagongshe.com/reaction/1384187

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPyridineHCID 1049—
ReactantMethylamineHCID 6329—
Reactant3'-Hydroxyphenylacetic acidHCID 12122—
ReactantOxalyl chlorideHCID 65578—
SolventDichloromethaneHCID 6344—
ProductHCID 21707201HCID 2170720124%

Reaction Steps

A solution of 3-hydroxyphenylacetic acid (1.00 g, 6.57 mmol) and oxalyl chloride (0.63 mL, 7.22 mmol) in methylene chloride (20 mL) was treated dropwise with pyridine (0.6 mL, 7.37 mmol), stirred for 90 min, poured into 40% aqueous methylamine (30 mL), stirred for 15 min, concentrated, dissolved into 1M HCl and extracted with ethyl acetate. The extracts were washed with brine, dried (MgSO4) and concentrated. The residue was chromatographed on silica gel with ethyl acetate to provide 260 mg of the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06258822B1
Source datasetuspto-grants-2001_07
ORD IDord-6bd5b5d94971496092d7d798b31aa92e
Source noteuspto-grants-2001_07