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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2178607Generated: October 31, 2026

1,3-Dibromo-5,5-dimethylhydantoin → HCID 58102920, compound

https://huagongshe.com/reaction/2178607

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1,3-Dibromo-5,5-dimethylhydantoinHCID 6479—
Reactant1-CyclopropylimidazoleHCID 10034603—
SolventDichloromethaneHCID 6344—
ProductHCID 58102920HCID 5810292059.5%

Reaction Conditions

Temperature7.5 °C

Reaction Steps

Cyclopropyl-1H-imidazole (1.18 g, 10.9 mmol) was dissolved in methylene chloride (0.1 M), cooled to 5-10° C., and 1,3-dibromo-5,5-dimethylhydantoin (1.59 g, 5.57 mmol) was added. The temperature was maintained between 5-10° C. and the reaction was stirred for 2 hours. Solvent was removed from the reaction mixture under reduced pressure, and the residue was purified by column chromatography (eluting with 1%-7% methanol in methylene chloride, 5% methanol/methylene chloride) to afford 620 mg (37% yield) of 5-bromo-1-cyclopropyl-1H-imidazole.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09067933B2
Source datasetuspto-grants-2015_06
ORD IDord-cf122bf897d543368e4b036befdaac38
Source noteuspto-grants-2015_06