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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1258444Generated: November 3, 2026

Hydrochloric Acid → HCID 72280550, compound

https://huagongshe.com/reaction/1258444

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantOxalyl chlorideHCID 65578—
Reactant4-(1-Piperidinyl)-2-butenoic acidHCID 54109381—
CatalystDimethylformamideHCID 6228—
SolventDichloromethaneHCID 6344—
ProductHCID 72280550HCID 72280550—

Reaction Steps

The HCl salt of 4-Piperidin-1-yl-but-2-enoic acid (250 mg, 1.48 mmol) was dissolved in dichloromethane (15 mL). Dimethylformamide (3 drops) was added. Oxalyl chloride (155 μL, 1.77 mmol) was added slowly and the reaction was stirred at room temperature for 1 hour. The mixture was concentrated under reduced pressure and the residue was used as is.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08466165B2
Source datasetuspto-grants-2013_06
ORD IDord-1bfe9cf3067b4ac291a15040699bd326
Source noteuspto-grants-2013_06