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5-(4'-(Bromomethyl)(1,1'-biphenyl)-2-yl)-1-trityl-1H-tetraazole → Diethyl 2-propyl-1-((2'-(1-trityl-1H-tetrazol-5-yl)-[1,1'-biphenyl]-4-yl)methyl)-1H-imidazole-4,5-dicarboxylate

HRID 52904
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 52904
CC(C)([O-])C.[K+].[CH2:7]([C:10]1[NH:11][C:12]([C:20]([O:22][CH2:23][CH3:24])=[O:21])=[C:13]([C:15]([O:17][CH2:18][CH3:19])=[O:16])[N:14]=1)[CH2:8][CH3:9].[C:25]([N:44]1[C:48]([C:49]2[CH:54]=[CH:53][CH:52]=[CH:51][C:50]=2[C:55]2[CH:62]=[CH:61][C:58]([CH2:59]Br)=[CH:57][CH:56]=2)=[N:47][N:46]=[N:45]1)([C:38]1[CH:43]=[CH:42][CH:41]=[CH:40][CH:39]=1)([C:32]1[CH:37]=[CH:36][CH:35]=[CH:34][CH:33]=1)[C:26]1[CH:31]=[CH:30][CH:29]=[CH:28][CH:27]=1>CN(C)C(=O)C.O>[CH2:7]([C:10]1[N:14]([CH2:59][C:58]2[CH:57]=[CH:56][C:55]([C:50]3[CH:51]=[CH:52][CH:53]=[CH:54][C:49]=3[C:48]3[N:44]([C:25]([C:38]4[CH:43]=[CH:42][CH:41]=[CH:40][CH:39]=4)([C:32]4[CH:33]=[CH:34][CH:35]=[CH:36][CH:37]=4)[C:26]4[CH:31]=[CH:30][CH:29]=[CH:28][CH:27]=4)[N:45]=[N:46][N:47]=3)=[CH:62][CH:61]=2)[C:13]([C:15]([O:17][CH2:18][CH3:19])=[O:16])=[C:12]([C:20]([O:22][CH2:23][CH3:24])=[O:21])[N:11]=1)[CH2:8][CH3:9]
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Komponenten

6

Edukt 3

HCID 100534615-(4'-(Bromomethyl)(1,1'-biphenyl)-2-yl)-1-trityl-1H-tetraazoleHCID 102860151H-Imidazole-4,5-dicarboxylic acid, 2-propyl-, 4,5-diethyl esterHCID 23665647Potassium tert-butoxide

Produkt 1

HCID 19036089Diethyl 2-propyl-1-((2'-(1-trityl-1H-tetrazol-5-yl)-[1,1'-biphenyl]-4-yl)methyl)-1H-imidazole-4,5-dicarboxylateAusbeute 78 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 962WaterLösungsmittelHCID 31374DimethylacetamideLösungsmittel2×

Versuchsvorschrift

0.441 g of potassium t-butoxide was added to a solution of 1.00 g of diethyl 2-propylimidazole-4,5-dicarboxylate (prepared as described in Preparation 12) in 15 ml of N,N-dimethylacetamide, and the resulting mixture was stirred at room temperature for 30 minutes. A solution of 2.19 g of 4-[2-(trityltetrazol-5-yl)phenyl]benzyl bromide in 15 ml of N,N-dimethylacetamide was then added dropwise to the reaction mixture at room temperature, and the reaction mixture was stirred at room temperature for 3 hours. At the end of this time, it was diluted with water and then extracting with ethyl acetate. The extract was dried over anhydrous magnesium sulfate and then freed from the solvent by distillation. The residue was purified by column chromatography through silica gel, using a 1:1 by volume mixture of hexane and ethyl acetate as the eluent, to give 2.24 g of the title compound as an amorphous solid.

Aufarbeitung

  1. stirringthe reaction mixture was stirred at room temperature for 3 hours
  2. extractionextracting with ethyl acetate
  3. dry with materialThe extract was dried over anhydrous magnesium sulfate
  4. distillationfreed from the solvent by distillation
  5. customThe residue was purified by column chromatography through silica gel
  6. additionby volume mixture of hexane and ethyl acetate as the eluent

Quellen und Nachweise

ORD-Eintrag
ord-89460b6d38e24fec93c6f12baafe9c39
Quelldatensatz
uspto-grants-1997_04
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US05616599

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