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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1692270Generated: November 1, 2026

Hydrogen Bromide → HCID 66905881, compound

https://huagongshe.com/reaction/1692270

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrogen BromideHCID 260—
Reactant4-(5-Chloro-2-methoxyphenyl)piperidineHCID 49760816—
ProductHCID 66905881HCID 6690588197%

Reaction Steps

To 4-(5-chloro-2-methoxyphenyl)piperidine (Preparation 233, 40 g, 0.177 mol) was added hydrogen bromide (48% in water, 100 ml) and refluxed for 24 hours before concentrating in vacuo. 1,4-Dioxane was added and solution concentrated in vacuo. The resulting crystals were washed with diethyl ether and dried in vacuo to give the title compound as white crystals, 53 g, 97% yield.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08153814B2
Source datasetuspto-grants-2012_04
ORD IDord-b4f93543244c471db587c40fa3a9141d
Source noteuspto-grants-2012_04