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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1920086Generated: November 1, 2026

4-Bromobenzamide → 4-bromo-N-(2,2-dichloro-1-hydroxybutyl)benzamide

https://huagongshe.com/reaction/1920086

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-BromobenzamideHCID 69683—
Reactant2,2-DichlorobutanalHCID 11275051—
CatalystHydrochloric AcidHCID 313—
Solvent1,4-DioxaneHCID 31275—
Product4-bromo-N-(2,2-dichloro-1-hydroxybutyl)benzamideHCID 5814955351%

Reaction Steps

4-Bromobenzamide 118 (1.0 g, 4.85 mmol), 2,2-dichlorobutanal (2 mL) and HCl (3 drops) in dioxane (4 mL) were heated to 120° C. (bath temperature) for 18 hours. The mixture was concentrated, and absorbed onto silica gel. Chromatography (CH2Cl2) produced an off-white solid as 4-bromo-N-(2,2-dichloro-1-hydroxybutyl)benzamide 119 (0.84 g, 51%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08168795B2
Source datasetuspto-grants-2012_05
ORD IDord-6facd840222d4cd5b72c0ce39c7c017e
Source noteuspto-grants-2012_05