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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 247872Generated: October 26, 2026

3-Bromo-4-hydroxybenzaldehyde → 5-[(3-Bromo-4-hydroxyphenyl)methylene]-2-thioxo-4-imidazolidinone

https://huagongshe.com/reaction/247872

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-Bromo-4-hydroxybenzaldehydeHCID 76308—
ReactantSodium AcetateHCID 517045—
Reactant2-ThiohydantoinHCID 1274030—
SolventAcetic AcidHCID 176—
Product5-[(3-Bromo-4-hydroxyphenyl)methylene]-2-thioxo-4-imidazolidinoneHCID 387391075.8%

Reaction Steps

Prepared according to the procedure described in Example 1 using 3-bromo-4-hydroxybenzaldehyde (3.1 g, 15 mmoles), 2-thiohydantoin (1.7 g, 15 mmoles), sodium acetate (4.5 g, 55 mmoles), and acetic acid (35 ml), to afford the pure product (3.4 g), mp 262° C. (dec).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05208250
Source datasetuspto-grants-1993_05
ORD IDord-d8a5fba2efb349b8b653a4192d4719a7
Source noteuspto-grants-1993_05