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Water → tert-butyl (6S,7R)-6-{[(3-cyanobenzyl)oxy]methyl}-7-(3,4-dichlorophenyl)-1,4-oxazepane-4-carboxylate

HRID 1022681
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1022681
[Cl:1][C:2]1[CH:3]=[C:4]([C@@H:9]2[O:15][CH2:14][CH2:13][N:12]([C:16]([O:18][C:19]([CH3:22])([CH3:21])[CH3:20])=[O:17])[CH2:11][C@H:10]2[CH2:23][OH:24])[CH:5]=[CH:6][C:7]=1[Cl:8].[H-].[Na+].Br[CH2:28][C:29]1[CH:30]=[C:31]([CH:34]=[CH:35][CH:36]=1)[C:32]#[N:33].O>CN(C=O)C>[C:32]([C:31]1[CH:30]=[C:29]([CH:36]=[CH:35][CH:34]=1)[CH2:28][O:24][CH2:23][C@H:10]1[C@H:9]([C:4]2[CH:5]=[CH:6][C:7]([Cl:8])=[C:2]([Cl:1])[CH:3]=2)[O:15][CH2:14][CH2:13][N:12]([C:16]([O:18][C:19]([CH3:20])([CH3:21])[CH3:22])=[O:17])[CH2:11]1)#[N:33]
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 4

HCID 962WaterHCID 24758Sodium hydrideHCID 97249Benzonitrile, 3-(bromomethyl)-HCID 66975404tert-butyl (6S,7R)-7-(3,4-dichlorophenyl)-6-(hydroxymethyl)-1,4-oxazepane-4-carboxylate

Produkt 1

HCID 86663867tert-butyl (6S,7R)-6-{[(3-cyanobenzyl)oxy]methyl}-7-(3,4-dichlorophenyl)-1,4-oxazepane-4-carboxylateAusbeute 85,8 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6228DimethylformamideLösungsmittel

Versuchsvorschrift

To a solution of tert-butyl (6S,7R)-7-(3,4-dichlorophenyl)-6-(hydroxymethyl)-1,4-oxazepane-4-carboxylate (144.5 mg) in DMF (3 mL) was added 60% sodium hydride (36.9 mg) at 0° C., and the mixture was stirred for 30 min. 3-(Bromomethyl)benzonitrile (90 mg) was added, and the mixture was warmed to room temperature and stirred overnight. The reaction mixture was poured into water, and the mixture was extracted twice with ethyl acetate. The organic layers were combined, and the mixture was washed with brine, and dried over anhydrous magnesium sulfate. The solvent was evaporated under reduced pressure. The residue was purified by silica gel column chromatography (ethyl acetate/hexane) to give the title compound (162 mg).

Aufarbeitung

  1. stirringstirred overnight
  2. extractionthe mixture was extracted twice with ethyl acetate
  3. washthe mixture was washed with brine
  4. dry with materialdried over anhydrous magnesium sulfate
  5. customThe solvent was evaporated under reduced pressure
  6. customThe residue was purified by silica gel column chromatography (ethyl acetate/hexane)

Quellen und Nachweise

ORD-Eintrag
ord-68af5459530d42eab80d8843d82be005
Quelldatensatz
uspto-grants-2014_05
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08722662B2

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