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

HRID 128733

Reaktionsgleichung

Reaktionsgleichung von HRID 128733
[OH:1][C:2]1[C:9]([CH:10]([CH3:12])[CH3:11])=[CH:8][C:5]([CH:6]=O)=[CH:4][C:3]=1[CH:13]([CH3:15])[CH3:14].[NH:16]1[CH2:22][C:20](=[O:21])[NH:19][C:17]1=[S:18].C([O-])(=O)C.[Na+]>C(O)(=O)C>[OH:1][C:2]1[C:9]([CH:10]([CH3:12])[CH3:11])=[CH:8][C:5]([CH:6]=[C:22]2[NH:16][C:17](=[S:18])[NH:19][C:20]2=[O:21])=[CH:4][C:3]=1[CH:13]([CH3:15])[CH3:14]

Komponenten

5

Edukt 3

HCID 827124-Hydroxy-3,5-bis(isopropyl)benzaldehydeHCID 517045Sodium AcetateHCID 12740302-Thiohydantoin

Produkt 1

HCID 539462155-[[4-Hydroxy-3,5-bis(1-methylethyl)phenyl]methylene]-2-thioxo-4-imidazolidinoneAusbeute 32,9 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 176Acetic AcidLösungsmittel

Versuchsvorschrift

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.

Aufarbeitung

  1. customPrepared
  2. filtrationfiltered off
  3. customdried
  4. customrecrystallized from acetonitrile

Quellen und Nachweise

ORD-Eintrag
ord-94182eba54ee4fcc8316740632dfd6a6
Quelldatensatz
uspto-grants-1995_11
Patentnummer
US05464856

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