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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2068685Generated: October 31, 2026

Sodium Hydroxide → (5-Bromo-2,4-difluoro-phenyl)-thiourea

https://huagongshe.com/reaction/2068685

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSodium HydroxideHCID 14798—
Reactant1-Benzoyl-3-(5-bromo-2,4-difluoro-phenyl)-thioureaHCID 59603093—
SolventWaterHCID 962—
SolventTetrahydrofuranHCID 8028—
Product(5-Bromo-2,4-difluoro-phenyl)-thioureaHCID 5960307183%

Reaction Conditions

Temperature70 °C

Reaction Steps

To a solution of 1-benzoyl-3-(5-bromo-2,4-difluoro-phenyl)-thiourea II (1.70 g, 4.60 mmol) in THF (35.0 mL) was added a solution of NaOH (0.97 g, 24.25 mmol) in water (13.0 mL). The resulting reaction mixture was stirred at 70° C. for 15 h. After the completion of the reaction (TLC monitoring), THF was evaporated, added water and extracted with EtOAc (3×50 mL). The combined organics was washed with brine and concentrated to obtain the desired compound (1.0 g, 83%). MS: 267.03 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08299065B2
Source datasetuspto-grants-2012_10
ORD IDord-fb25d031c2e64ceaa5df3d96e5da9d85
Source noteuspto-grants-2012_10