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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 553494Generated: October 31, 2026

Hydrochloric Acid → HCID 86761432, compound

https://huagongshe.com/reaction/553494

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactant3-(4-BOC-piperazino)-2-chloropyridineHCID 59321836—
SolventDichloromethaneHCID 6344—
Solvent1,4-DioxaneHCID 31275—
ProductHCID 86761432HCID 8676143299%

Reaction Steps

Dissolve 4-(2-chloro-pyridin-3-yl)-piperazine-1-carboxylic acid tert-butyl ester (8.300 g, 27.872 mmol) in dichloromethane (200 mL). Slowly add 4N HCl in dioxane (42 mL). Stir at room temperature for 8 hours. Concentrate and wash the resulting solid with diethyl ether to afford the title preparation (7.500 g, 99% yield). MS ES: m/z=198 [M+H]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08048884B2
Source datasetuspto-grants-2011_11
ORD IDord-252f13cc888f4709ac9e2118376d21e6
Source noteuspto-grants-2011_11