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Pyridine → (5-tert-Butyl-2-{3-[(2-dimethylamino-ethyl)-methyl-amino]-phenyl}-2H-pyrazol-3-yl)-carbamic acid phenyl ester

HRID 630960
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 630960
[NH2:1][C:2]1[N:6]([C:7]2[CH:8]=[C:9]([N:13]([CH3:19])[CH2:14][CH2:15][N:16]([CH3:18])[CH3:17])[CH:10]=[CH:11][CH:12]=2)[N:5]=[C:4]([C:20]([CH3:23])([CH3:22])[CH3:21])[CH:3]=1.N1C=CC=CC=1.Cl[C:31]([O:33][C:34]1[CH:39]=[CH:38][CH:37]=[CH:36][CH:35]=1)=[O:32]>C(Cl)Cl.O>[C:34]1([O:33][C:31](=[O:32])[NH:1][C:2]2[N:6]([C:7]3[CH:12]=[CH:11][CH:10]=[C:9]([N:13]([CH2:14][CH2:15][N:16]([CH3:18])[CH3:17])[CH3:19])[CH:8]=3)[N:5]=[C:4]([C:20]([CH3:23])([CH3:22])[CH3:21])[CH:3]=2)[CH:39]=[CH:38][CH:37]=[CH:36][CH:35]=1
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 3

HCID 1049Pyridine2×HCID 15891Phenyl chloroformate2×HCID 89612440HCID 89612440, Verbindung

Produkt 1

HCID 86687275(5-tert-Butyl-2-{3-[(2-dimethylamino-ethyl)-methyl-amino]-phenyl}-2H-pyrazol-3-yl)-carbamic acid phenyl esterAusbeute 43 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 962
Water
Lösungsmittel
HCID 6344DichloromethaneLösungsmittel

Versuchsvorschrift

A solution of Intermediate 150b (50 mg, 0.16 mmol) in DCM (2 mL) was treated with pyridine (26 μL, 0.32 mmol) and phenyl chloroformate (32 μL, 0.25 mmol). The resulting mixture was stirred at RT for 2 h. Further pyridine (26 μL, 0.32 mmol) and phenyl chloroformate (32 μL, 0.25 mmol) were added and the mixture stirred at RT for 16 h. The mixture was diluted with water and the phases separated. The aqueous layer was extracted with DCM and the combined organic phase was washed with brine, dried (Na2SO4), and concentrated in vacuo. The residue was purified by FCC, using 0-20% MeOH in DCM, to give the title compound (30 mg, 43%). LCMS (Method 3): Rt 2.97 min, m/z 436 [MH+].

Aufarbeitung

  1. stirringthe mixture stirred at RT for 16 h
  2. customthe phases separated
  3. extractionThe aqueous layer was extracted with DCM
  4. washthe combined organic phase was washed with brine
  5. dry with materialdried (Na2SO4)
  6. concentrationconcentrated in vacuo
  7. customThe residue was purified by FCC

Quellen und Nachweise

ORD-Eintrag
ord-a67d246ad31f4a3ea12c0a1b11e77a9d
Quelldatensatz
uspto-grants-2016_04
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US09315503B2

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