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Diisopropylethylamine → HCID 86710561, Verbindung

HRID 1027168
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1027168
[CH3:1][O:2][C:3]1[CH:4]=[C:5]([CH:9]=[CH:10][C:11]=1[C:12]1[N:13]=[N:14][C:15]([N:18]([CH3:29])[CH:19]2[CH2:24][C:23]([CH3:26])([CH3:25])[NH:22][C:21]([CH3:28])([CH3:27])[CH2:20]2)=[CH:16][CH:17]=1)[C:6](O)=[O:7].[CH2:30]([NH2:33])[C:31]#[CH:32].CCN(C(C)C)C(C)C.CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F>CN(C=O)C.C(Cl)Cl.O.CCOC(C)=O>[CH3:1][O:2][C:3]1[CH:4]=[C:5]([CH:9]=[CH:10][C:11]=1[C:12]1[N:13]=[N:14][C:15]([N:18]([CH3:29])[CH:19]2[CH2:20][C:21]([CH3:27])([CH3:28])[NH:22][C:23]([CH3:25])([CH3:26])[CH2:24]2)=[CH:16][CH:17]=1)[C:6]([NH:33][CH2:30][C:31]#[CH:32])=[O:7]
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

9

Edukt 4

HCID 81531DiisopropylethylamineHCID 239041PropargylamineHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 867105563-Methoxy-4-(6-(methyl-(2,2,6,6-tetramethylpiperidin-4-yl)amino)pyridazin-3-yl)benzoic acid

Produkt 1

HCID 86710561
HCID 86710561, Verbindung
Ausbeute 28 %

Reagenzien, Katalysatoren, Lösungsmittel 4

HCID 962WaterLösungsmittelHCID 6228DimethylformamideLösungsmittelHCID 6344DichloromethaneLösungsmittelHCID 8857Ethyl AcetateLösungsmittel

Versuchsvorschrift

To a crude solution of 3-methoxy-4-(6-(methyl-(2,2,6,6-tetramethylpiperidin-4-yl)amino)pyridazin-3-yl)benzoic acid (620 mg, 1.56 mmol) in DMF (10 mL) and CH2Cl2 (10 mL) was added propargyl amine (129 mg, 2.33 mmol), DIPEA (0.82 mL, 4.67 mmol) and HATU (887 mg, 2.33 mmol). The reaction was stirred at RT overnight, then diluted with water and EtOAc. The layers were separated and the aqueous layer was concentrated and partially dissolved in MeOH. The resultant white precipitate was filtered, and the MeOH filtrate was concentrated. The filtrate was dissolved in MeOH and the resultant precipitate filtered. The filtrate was concentrated and purified via HPLC(C18 sunfire column, 20% CH3CN/H2O to 100% CH3CN, 0.1% NH4OH aq. as modifier to give 3-methoxy-4-(6-(methyl(2,2,6,6-tetramethylpiperidin-4-yl)amino)pyridazin-3-yl)-N-(prop-2-yn-1-yl)benzamide (190 mg). LCMS Rt=0.86 min (condition B); MS (M+1)=436.3. 1H NMR (400 MHz, METHANOL-d4) δ ppm 7.82 (d, J=9.6 Hz, 1H), 7.73 (d, J=8.1 Hz, 1H), 7.58 (d, J=1.5 Hz, 1H), 7.52 (dd, J=7.8, 1.5 Hz, 1H), 7.10 (d, J=9.6 Hz, 1H), 5.15-5.27 (m, 1H), 4.18 (d, J=2.3 Hz, 2H), 3.93 (s, 3H), 2.99 (s, 3H), 2.63 (t, J=2.5 Hz, 1H), 1.67 (dd, J=12.5, 3.4 Hz, 2H), 1.54 (t, J=12.5 Hz, 2H), 1.33 (s, 6H), 1.20 (s, 6H).

Aufarbeitung

  1. customThe layers were separated
  2. concentrationthe aqueous layer was concentrated
  3. dissolutionpartially dissolved in MeOH
  4. filtrationThe resultant white precipitate was filtered
  5. concentrationthe MeOH filtrate was concentrated
  6. dissolutionThe filtrate was dissolved in MeOH
  7. filtrationthe resultant precipitate filtered
  8. concentrationThe filtrate was concentrated
  9. custompurified via HPLC(C18 sunfire column, 20% CH3CN/H2O to 100% CH3CN, 0.1% NH4OH aq. as modifier

Quellen und Nachweise

ORD-Eintrag
ord-aee823b565a5444584d568310d14e52c
Quelldatensatz
uspto-grants-2014_05
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08729263B2

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