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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1740381Generated: November 1, 2026

1,4-Dioxane hydrochloride → HCID 21838655, compound

https://huagongshe.com/reaction/1740381

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1,4-Dioxane hydrochlorideHCID 20443148—
Reactant4-(2-Methoxyethyl)piperazine-1-carbaldehydeHCID 21838649—
SolventMethanolHCID 887—
ProductHCID 21838655HCID 21838655—

Reaction Steps

To a solution of 57.2 g of 1-formyl-4-methoxyethylpiperazine in 100 mL of methanol was added dropwise 180 mL of 4N-hydrochloric acid/1,4-dioxane over 1.5 hours. The mixture was stirred at room temperature for 1 hour, and the resulting crystals were filtered, washed with isopropyl ether and dried in vacuo to give 68.8 g of the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05969138
Source datasetuspto-grants-1999_10
ORD IDord-0266294c143243be8e76115d5cdfc74c
Source noteuspto-grants-1999_10