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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 913343Generated: November 1, 2026

Sulfuric Acid → HCID 57422559, compound

https://huagongshe.com/reaction/913343

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSulfuric AcidHCID 1118—
ReactantSodium thiocyanateHCID 516871—
ReactantHCID 57462270HCID 57462270—
SolventTolueneHCID 1140—
ProductHCID 57422559HCID 57422559—

Reaction Steps

To a solution of (1R)-1-[(3-benzoyl)phenyl]ethylamine hydrochloride (0.52 g, 2 mmol) in toluene (15 mL), conc. H2SO4 (3 mmol) and sodium thiocyanate (0.18 g, 2.2 mmol) were added and the resulting mixture was left stirring at room temperature for 30 min. The formation of a white precipitate was observed: then the mixture was refluxed for 4 h and left stirring at room temperature overnight. The organic phase was washed with H2O (3×mL), dried over Na2SO4, filtered and evaporated under vacuum to give the N-[(1R)-1-(3-benzoylphenyl)ethyl]thiourea a dark red oil (0.53 g) pure enough (GC-Ms analysis) to be used without any further purification.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08026367B2
Source datasetuspto-grants-2011_09
ORD IDord-cfdf35dca6af4fe09deebff3313efb87
Source noteuspto-grants-2011_09