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Azobisisobutyronitrile → Tert-butyl 2-(5-(bromomethyl)-2-(methoxymethoxy)benzamido)-4-phenylbenzoate

HRID 454642
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 454642
[Br:1]N1C(=O)CCC1=O.N(C(C)(C)C#N)=NC(C)(C)C#N.[CH3:21][O:22][CH2:23][O:24][C:25]1[CH:52]=[CH:51][C:50]([CH3:53])=[CH:49][C:26]=1[C:27]([NH:29][C:30]1[CH:42]=[C:41]([C:43]2[CH:48]=[CH:47][CH:46]=[CH:45][CH:44]=2)[CH:40]=[CH:39][C:31]=1[C:32]([O:34][C:35]([CH3:38])([CH3:37])[CH3:36])=[O:33])=[O:28].C(=O)(O)[O-].[Na+]>C(OCC)(=O)C.C1C=CC=CC=1>[Br:1][CH2:53][C:50]1[CH:51]=[CH:52][C:25]([O:24][CH2:23][O:22][CH3:21])=[C:26]([CH:49]=1)[C:27]([NH:29][C:30]1[CH:42]=[C:41]([C:43]2[CH:44]=[CH:45][CH:46]=[CH:47][CH:48]=2)[CH:40]=[CH:39][C:31]=1[C:32]([O:34][C:35]([CH3:38])([CH3:37])[CH3:36])=[O:33])=[O:28]
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

7

Edukt 4

HCID 6547AzobisisobutyronitrileHCID 67184N-bromobutanimideHCID 516892Sodium BicarbonateHCID 66991033Tert-butyl 2-(2-(methoxymethoxy)-5-methylbenzamido)-4-phenylbenzoate

Produkt 1

HCID 66990849Tert-butyl 2-(5-(bromomethyl)-2-(methoxymethoxy)benzamido)-4-phenylbenzoateAusbeute 69 %

Reagenzien, Katalysatoren, Lösungsmittel

2
HCID 241BenzeneLösungsmittelHCID 8857Ethyl AcetateLösungsmittel

Versuchsvorschrift

N-Bromosuccinimide (0.25 g) and azobisisobutyronitrile (0.023 g) were sequentially added to a benzene (6.3 mL) solution of the obtained tert-butyl 2-(2-(methoxymethoxy)-5-methylbenzamido)-4-phenylbenzoate (0.63 g), followed by heating to reflux for 30 minutes. The reaction mixture was cooled to room temperature, and then a saturated aqueous solution of sodium bicarbonate and ethyl acetate were added thereto. The organic layer was separated, washed with a saturated aqueous solution of sodium chloride, and dried over anhydrous magnesium sulfate, and the solvent was evaporated under reduced pressure. The obtained residue was purified by silica gel column chromatography [eluent: 100-90% hexane/ethyl acetate] to obtain 0.51 g of tert-butyl 2-(5-(bromomethyl)-2-(methoxymethoxy)benzamido)-4-phenylbenzoate as a white solid.

Aufarbeitung

  1. temperatureby heating
  2. temperatureto reflux for 30 minutes
  3. customThe organic layer was separated
  4. washwashed with a saturated aqueous solution of sodium chloride
  5. dry with materialdried over anhydrous magnesium sulfate
  6. customthe solvent was evaporated under reduced pressure
  7. customThe obtained residue was purified by silica gel column chromatography [eluent: 100-90% hexane/ethyl acetate]

Quellen und Nachweise

ORD-Eintrag
ord-d6d0d66f761840ceb7c843bcb2689d3b
Quelldatensatz
uspto-grants-2013_07
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08492582B2

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