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Triethylamine → 6-bromo-2-(2,3-dihydrobenzofuran-5-ylmethyl)-1-oxo-4-phenyl-1,2-dihydroisoquinoline-3-carboxylic Acid

HRID 750156
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 750156
[Br:1][C:2]1[CH:3]=[C:4]2[C:9](=[CH:10][CH:11]=1)[C:8](=[O:12])O[C:6]([C:13]([OH:15])=[O:14])=[C:5]2[C:16]1[CH:21]=[CH:20][CH:19]=[CH:18][CH:17]=1.[NH2:22][CH2:23][C:24]1[CH:32]=[CH:31][C:27]2[O:28][CH2:29][CH2:30][C:26]=2[CH:25]=1.C(N(CC)CC)C>CO>[Br:1][C:2]1[CH:3]=[C:4]2[C:9](=[CH:10][CH:11]=1)[C:8](=[O:12])[N:22]([CH2:23][C:24]1[CH:32]=[CH:31][C:27]3[O:28][CH2:29][CH2:30][C:26]=3[CH:25]=1)[C:6]([C:13]([OH:15])=[O:14])=[C:5]2[C:16]1[CH:21]=[CH:20][CH:19]=[CH:18][CH:17]=1
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

5

Edukt 3

HCID 8471TriethylamineHCID 27353672,3-Dihydro-1-benzofuran-5-ylmethanamineHCID 230607776-Bromo-4-phenyl-3-isocoumarincarboxylic acid

Produkt 1

HCID 230608896-bromo-2-(2,3-dihydrobenzofuran-5-ylmethyl)-1-oxo-4-phenyl-1,2-dihydroisoquinoline-3-carboxylic AcidAusbeute 62,4 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 887
Methanol
Lösungsmittel

Reaktionsbedingungen

Temperatur
50 °C

Versuchsvorschrift

A mixture of 6-bromo-1-oxo-4-phenyl-1H-isochromen-3-carboxylic acid (2.3 g), 5-aminomethyl-2,3-dihydrobenzo[b]furan (2.0 g), triethylamine (2.3 ml) and methanol (23 ml) was stirred at 50° C. for 24 hrs. The reaction mixture was concentrated, 1N-hydrochloric acid was added and the mixture was extracted with ethyl acetate. The organic layer was washed with water and saturated brine, dried over anhydrous sodium sulfate, and concentrated under reduced pressure. 4N-Hydrochloric acid-ethyl acetate solution (8 ml) was added to the residue at room temperature, and the mixture was stirred for 12 hrs. The reaction mixture was concentrated under reduced pressure and the obtained crystals were washed with diethyl ether to give the title compound (1.98 g).

Aufarbeitung

  1. concentrationThe reaction mixture was concentrated
  2. addition1N-hydrochloric acid was added
  3. extractionthe mixture was extracted with ethyl acetate
  4. washThe organic layer was washed with water and saturated brine
  5. dry with materialdried over anhydrous sodium sulfate
  6. concentrationconcentrated under reduced pressure
  7. addition4N-Hydrochloric acid-ethyl acetate solution (8 ml) was added to the residue at room temperature
  8. stirringthe mixture was stirred for 12 hrs
  9. concentrationThe reaction mixture was concentrated under reduced pressure
  10. washthe obtained crystals were washed with diethyl ether

Quellen und Nachweise

ORD-Eintrag
ord-9c39b4b7b0694c809c77cd1b5224629d
Quelldatensatz
uspto-grants-2008_07
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07402595B2

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