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Diethyl Ether → N-Benzoyl-N-methylbenzamide

HRID 2107342
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 2107342
[CH3:1][NH:2][C:3](=[O:10])[C:4]1[CH:9]=[CH:8][CH:7]=[CH:6][CH:5]=1.I[C:12]1[CH:17]=[CH:16][CH:15]=[CH:14][CH:13]=1.C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.C1CCN2C(=NCCC2)CC1.C[CH2:49][O:50]CC>CC(N(C)C)=O>[CH3:1][N:2]([C:49](=[O:50])[C:12]1[CH:17]=[CH:16][CH:15]=[CH:14][CH:13]=1)[C:3](=[O:10])[C:4]1[CH:9]=[CH:8][CH:7]=[CH:6][CH:5]=1
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

7

Edukt 5

HCID 3283Diethyl EtherHCID 11575IodobenzeneHCID 11776TriphenylphosphineHCID 11954N-MethylbenzamideHCID 811841,8-Diazabicyclo(5.4.0)undec-7-ene

Produkt 1

HCID 283242N-Benzoyl-N-methylbenzamideAusbeute 7 %

Reagenzien, Katalysatoren, Lösungsmittel

1
HCID 31374DimethylacetamideLösungsmittel

Reaktionsbedingungen

Temperatur
115 °C

Versuchsvorschrift

A pressure vessel (Fisher-Porter bottle) equipped with a Teflon coated stir bar, a gas inlet, a pressure gauge, and a pressure release valve was charged with N-methylbenzamide (242 mg, 1.79 mmol), iodobenzene (200 μl, 1.29 mmol), PdCl2L2 (76 mg, 0.107 mmol), triphenylphosphine (56 mg, 0.214 mmol) and DMAc (3.4 ml) and heated (115° C.) under one atmosphere of CO until the reactants had dissolved. DBU (320 μl, 2.14 mmol) was then introduced into the reaction mixture and the reactor charged to 40 psi with CO. After 23 hours, the reactor was cooled to room temperature, depressurized, and the reaction mixture diluted (50 ml) with ether and extracted (3×50 ml) with water. The ether layer was dried over MgSO4 and concentrated to give a red oil which was chromatographed on silica gel (2:1, hexane:ethyl acetate) to give 30 mg product (7%).

Aufarbeitung

  1. customA pressure vessel (Fisher-Porter bottle) equipped with a Teflon coated stir bar, a gas inlet
  2. dissolutionhad dissolved
  3. additionthe reactor charged to 40 psi with CO
  4. temperaturethe reactor was cooled to room temperature
  5. extractionextracted (3×50 ml) with water
  6. dry with materialThe ether layer was dried over MgSO4
  7. concentrationconcentrated
  8. customto give a red oil which
  9. customwas chromatographed on silica gel (2:1, hexane:ethyl acetate)

Quellen und Nachweise

ORD-Eintrag
ord-e708f93a4dfb46e5b3d387e9f7d32c58
Quelldatensatz
uspto-grants-1990_06
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US04933466

Notizen zur Reaktion

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