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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1750098Generated: November 3, 2026

Hydrochloric Acid → 1-(2-Ethoxyphenyl)-1,4-diazepane hydrochloride

https://huagongshe.com/reaction/1750098

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantTert-butyl 4-(2-ethoxyphenyl)-1,4-diazepane-1-carboxylateHCID 68629809—
SolventEthyl AcetateHCID 8857—
Product1-(2-Ethoxyphenyl)-1,4-diazepane hydrochlorideHCID 6663375759%

Reaction Steps

Excess HCl in EtOAc was added dropwise to a solution of intermediate 30 (800 mg, 2.5 mmol) in EtOAc and the reaction mixture was stirred at rt for 1.5 h. Filtration gave 1-(2-ethoxyphenyl)-1,4-diazepane hydrochloride (intermediate 31) (382 mg, 59%) as a white solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09156822B2
Source datasetuspto-grants-2015_10
ORD IDord-10432156c52b4f6ba8cfb54448c48e69
Source noteuspto-grants-2015_10