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Phenylhydantoin → 3-(2-(4-(5,7-Dimethoxy-4-oxo-3,4-dihydroquinazolin-2-yl)-2,6-dimethylphenoxy)ethyl)-5-phenylimidazolidine-2,4-dione

HRID 591753
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Reaktionsgleichung

Reaktionsgleichung von HRID 591753
O[CH2:2][CH2:3][O:4][C:5]1[C:10]([CH3:11])=[CH:9][C:8]([C:12]2[NH:21][C:20](=[O:22])[C:19]3[C:14](=[CH:15][C:16]([O:25][CH3:26])=[CH:17][C:18]=3[O:23][CH3:24])[N:13]=2)=[CH:7][C:6]=1[CH3:27].[C:28]1([CH:34]2[NH:38][C:37](=[O:39])[NH:36][C:35]2=[O:40])[CH:33]=[CH:32][CH:31]=[CH:30][CH:29]=1.C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.N(C(OCC)=O)=NC(OCC)=O>C1COCC1>[CH3:24][O:23][C:18]1[CH:17]=[C:16]([O:25][CH3:26])[CH:15]=[C:14]2[C:19]=1[C:20](=[O:22])[NH:21][C:12]([C:8]1[CH:9]=[C:10]([CH3:11])[C:5]([O:4][CH2:3][CH2:2][N:36]3[C:35](=[O:40])[CH:34]([C:28]4[CH:29]=[CH:30][CH:31]=[CH:32][CH:33]=4)[NH:38][C:37]3=[O:39])=[C:6]([CH3:27])[CH:7]=1)=[N:13]2
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 4

HCID 1002PhenylhydantoinHCID 11776TriphenylphosphineHCID 220568ethyl N-ethoxycarbonyliminocarbamateHCID 135564749Apabetalone

Produkt 1

HCID 1363480393-(2-(4-(5,7-Dimethoxy-4-oxo-3,4-dihydroquinazolin-2-yl)-2,6-dimethylphenoxy)ethyl)-5-phenylimidazolidine-2,4-dione

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 8028TetrahydrofuranLösungsmittel

Versuchsvorschrift

To a suspension of 2-[4-(2-hydroxy-ethoxy)-3,5-dimethyl-phenyl]-5,7-dimethoxy-3H-quinazolin-4-one (0.50 g, 1.35 mmol) in THF (20 mL), were added 5-phenyl-imidazolidine-2,4-dione (0.24 g, 1.35 mmol) and triphenyl phosphine (0.35 g, 1.35 mmol), then diethyl azodicarboxylate (0.43 mL, 2.70 mmol) was added and the reaction mixture was stirred at room temperature for 16 hours. Solvent was evaporated in vacuo and the residue was washed with dichloromethane and ether. The residue was dissolved in acetic acid and purified by preparative HPLC. The compound was further washed with dichloromethane and ether (1:1, 20 mL) to obtain the title compound as a white solid. Yield: 0.07 g (10%). MP 219.6-221.4° C. 1H NMR (400 MHz, DMSO-d6): δ 8.81 (s, 1H), 7.86 (s, 2H), 7.37 (m, 5H), 6.71 (s, 1H), 6.48 (s, 1H), 3.94 (m, 4H), 3.86 (s, 3H), 3.82 (s, 3H), 2.18 (s, 6H). MS (ES) m/z: 529.29 (M++1).

Aufarbeitung

  1. customSolvent was evaporated in vacuo
  2. washthe residue was washed with dichloromethane and ether
  3. dissolutionThe residue was dissolved in acetic acid
  4. custompurified by preparative HPLC
  5. washThe compound was further washed with dichloromethane and ether (1:1, 20 mL)

Quellen und Nachweise

ORD-Eintrag
ord-952e626e78ba4195a3405df76dd0083a
Quelldatensatz
uspto-grants-2016_01
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US09238640B2

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