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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 247871Generated: October 25, 2026

4-Hydroxy-3,5-bis(isopropyl)benzaldehyde → 5-[[4-Hydroxy-3,5-bis(1-methylethyl)phenyl]methylene]-2-thioxo-4-imidazolidinone

https://huagongshe.com/reaction/247871

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-Hydroxy-3,5-bis(isopropyl)benzaldehydeHCID 82712—
ReactantSodium AcetateHCID 517045—
Reactant2-ThiohydantoinHCID 1274030—
SolventAcetic AcidHCID 176—
Product5-[[4-Hydroxy-3,5-bis(1-methylethyl)phenyl]methylene]-2-thioxo-4-imidazolidinoneHCID 5394621532.9%

Reaction Steps

Prepared according to the procedure described in Example 1 using 4-hydroxy-3,5-bis(1-methylethyl)benzaldehyde (3.0 g, 15 mmoles), 2-thiohydantoin (1.6 g, 14 mmoles), sodium acetate (4.2 g, 51 mmoles), and acetic acid (35 ml), filtered off, dried, and recrystallized from acetonitrile to afford the pure product (1.4 g), mp 225°-230° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05208250
Source datasetuspto-grants-1993_05
ORD IDord-6d636aa34e82411b930dd679a966a56a
Source noteuspto-grants-1993_05