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2-(Dimethylamino)ethanol → HCID 23139421, Verbindung

HRID 540592
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 540592
[Br:1][C:2]1[CH:6]=[N:5][N:4]([CH3:7])[C:3]=1[C:8]1[CH:9]=[C:10]([NH:15][C:16]([NH:18][C:19]2[CH:24]=[CH:23][C:22]([F:25])=[CH:21][C:20]=2[F:26])=[O:17])[CH:11]=[CH:12][C:13]=1[OH:14].C1C=CC(P(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1.[CH3:46][N:47]([CH3:51])[CH2:48][CH2:49]O.CC(OC(/N=N/C(OC(C)C)=O)=O)C>C1COCC1>[Br:1][C:2]1[CH:6]=[N:5][N:4]([CH3:7])[C:3]=1[C:8]1[CH:9]=[C:10]([NH:15][C:16]([NH:18][C:19]2[CH:24]=[CH:23][C:22]([F:25])=[CH:21][C:20]=2[F:26])=[O:17])[CH:11]=[CH:12][C:13]=1[O:14][CH2:49][CH2:48][N:47]([CH3:51])[CH3:46]
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 4

HCID 79022-(Dimethylamino)ethanolHCID 11776TriphenylphosphineHCID 5363146Diisopropyl azodicarboxylateHCID 135732703HCID 135732703, Verbindung

Produkt 1

HCID 23139421HCID 23139421, VerbindungAusbeute 31,4 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 8028
Tetrahydrofuran
Lösungsmittel

Versuchsvorschrift

Compound 103 (73.7 mg, 0.17 mmol) was dissolved in anhydrous THF (5 mL). PPh3 (173 mg, 0.64 mmol) and 2-Dimethylamino ethanol (65.5 μL, 0.63 mmol) were then added to the solution, and the reaction was stirred at room temperature. After stirring for five minutes, DIAD (127 μL, 0.64 mmol) was added to the reaction dropwise. The reaction was found to be complete by TLC and LC/MS after 30 minutes. The solvent was then removed under reduced pressure. The residue was purified twice by flash chromatography (Biotage, SiO2, Dichloromethane/Methanol gradient elution) and twice by HPLC to afford 26.4 mg (31%) of Compound 123 as a light brown oil: LCMS m/z (%)=496 (M+H81Br, 100), 494 (M+H79Br, 94). 1H NMR (400 MHz, DMSO-d6) δ 8.99 (s, 1H), 8.44 (s, 1H), 8.07-8.01 (m, 1H), 7.59 (s, 1H), 7.52 (dd, J1=8 Hz, J2=4 Hz, 1H), 7.35 (d, J=4, 1H), 7.32-7.26 (m, 1H), 7.17 (d, J=12 Hz, 1H), 7.05-7.00 (m, 1H), 4.11 (dm, 2H), 3.65 (s, 3H), 2.58 (dm, 2H), 2.11 (s, 6H).

Aufarbeitung

  1. stirringAfter stirring for five minutes
  2. customThe solvent was then removed under reduced pressure
  3. customThe residue was purified twice by flash chromatography (Biotage, SiO2, Dichloromethane/Methanol gradient elution) and twice by HPLC

Quellen und Nachweise

ORD-Eintrag
ord-f7a662633098450da456bb4e49b726d9
Quelldatensatz
uspto-grants-2014_10
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08871797B2

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