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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1941925Generated: October 28, 2026

Sodium Hydroxide → HCID 20157487, compound

https://huagongshe.com/reaction/1941925

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSodium HydroxideHCID 14798—
ReactantHCID 57813580HCID 57813580—
SolventWaterHCID 962—
SolventTetrahydrofuranHCID 8028—
ProductHCID 20157487HCID 2015748795.4%

Reaction Conditions

Temperature70 °C

Reaction Steps

A solution of NaOH (46.30 g, 1.16 mol) dissolved in 480 mL of H2O was added to a solution of 1-benzoyl-3-(3,5-dibromo-phenyl)-thiourea (96.0 g, 0.23 mol) in 1.20 L of THF. The resulting reaction mixture was stirred at 70° C. for 12 hours. THF was distilled off and extracted with ethyl acetate (×3). The combined organic layer was dried over Na2SO4, filtered and distilled off to get the crude residue that was washed with hexane to obtain the desired compound as a grey solid (68 g, 95%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08389516B2
Source datasetuspto-grants-2013_03
ORD IDord-32ce29ce81484954929e9ce178537e64
Source noteuspto-grants-2013_03