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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 583196Generated: October 29, 2026

Styrene → HCID 21224883, compound

https://huagongshe.com/reaction/583196

Reaction equation

Participants

RoleNameHCIDCharge
ReactantStyreneHCID 7501—
ReactantCyanamideHCID 9864—
ReactantN-bromobutanimideHCID 67184—
SolventDichloromethaneHCID 6344—
ProductHCID 21224883HCID 2122488379.8%

Reaction Steps

N-bromosuccinimide (10.68 g, 0.06 mol) and cyanamide (4.2 g, 0.1 mol) were dissolved in 150 m of dichloromethane and the mixture was stirred for 5 min. To this mixture was added a solution of styrene (5.2 g, 0.05 mol) in 20 m of dichloromethane using a dropping funnel for one hour. The resulting reaction mixture was stirred at room temperature for 12 hours, washed with an equal volume of 5% sodium thiosulfate and brine which were freshly prepared, dried over anhydrous magnesium sulfate, concentrated, and then purified by silica gel column chromatography (eluent:ethylacetate/toluene=1/20, v/v) to afford 8.98 g of 2-bromo-1-phenylethyl cyanamide.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05929103
Source datasetuspto-grants-1999_07
ORD IDord-ca8f9422d7814c70908e5b704cffe1b0
Source noteuspto-grants-1999_07