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Hydrochloric Acid → 4-(3-(4-Cyano-3-(trifluoromethyl)phenyl)-4-oxo-2-thioxo-1,3-diazaspiro[4,4]nonan-1-yl)-2-fluoro-N-methylbenzamide

HRID 240815
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 240815
[CH3:1][NH:2][C:3](=[O:19])[C:4]1[CH:9]=[CH:8][C:7]([NH:10][C:11]2([C:16]#N)[CH2:15][CH2:14][CH2:13][CH2:12]2)=[CH:6][C:5]=1[F:18].[N:20]([C:23]1[CH:30]=[CH:29][C:26]([C:27]#[N:28])=[C:25]([C:31]([F:34])([F:33])[F:32])[CH:24]=1)=[C:21]=[S:22].C[OH:36].Cl>CN(C=O)C.O>[C:27]([C:26]1[CH:29]=[CH:30][C:23]([N:20]2[C:16](=[O:36])[C:11]3([CH2:15][CH2:14][CH2:13][CH2:12]3)[N:10]([C:7]3[CH:8]=[CH:9][C:4]([C:3]([NH:2][CH3:1])=[O:19])=[C:5]([F:18])[CH:6]=3)[C:21]2=[S:22])=[CH:24][C:25]=1[C:31]([F:32])([F:34])[F:33])#[N:28]
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

7

Edukt 4

HCID 313Hydrochloric AcidHCID 887MethanolHCID 116155404-Isothiocyanato-2-(trifluoromethyl)benzonitrileHCID 59296600N-Methyl 2-fluoro-4-(1-cyanocyclopentyl)aminobenzamide2×

Produkt 1

HCID 159516244-(3-(4-Cyano-3-(trifluoromethyl)phenyl)-4-oxo-2-thioxo-1,3-diazaspiro[4,4]nonan-1-yl)-2-fluoro-N-methylbenzamide

Reagenzien, Katalysatoren, Lösungsmittel

2
HCID 962WaterLösungsmittelHCID 6228DimethylformamideLösungsmittel

Reaktionsbedingungen

Temperatur
130 °C

Versuchsvorschrift

A mixture of N-Methyl 2-fluoro-4-(1-cyanocyclopentyl)aminobenzamide (Formula 43) (57 mg, 0.22 mmol) and 4-isothiocyanato-2-trifluoromethyl benzonitrile (0.15 g, 0.65 mmol) in DMF (3 mL) was heated under microwave irradiation (open vessel) at 130° C. for 12 hours. To this mixture was added methanol (20 mL) and aq. 1 N HCl (5 mL). The second mixture was refluxed for 1.5 h. After being cooled to room temperature, the reaction mixture was poured into cold water (50 mL) and extracted with ethyl acetate (50 mL). The organic layer was dried over MgSO4, concentrated and the residue was purified with silica gel column chromatography (dichloromethane:acetone, 95:5) to give 4-(3-(4-Cyano-3-(trifluoromethyl)phenyl)-4-oxo-2-thioxo-1,3-diazaspiro[4.4]nonan-1-yl)-2-fluoro-N-methylbenzamide, NC55 (Formula 44) (8 mg, 7%) as a pale yellowish solid. 1H NMR δ 8.28 (dd, 1H, J=8.4, 8.4 Hz), 7.98 (d, 1H, J=8.3 Hz), 7.96 (d, 1H, J=1.8 Hz), 7.84 (dd, 1H, J=8.3, 1.8 Hz), 7.27 (dd, 1H, J=8.4, 1.8 Hz), 7.17 (dd, 1H, J=11.7, 1.8 Hz), 6.67-6.77 (m, 1H), 3.07 (d, 3H, J=4.3 Hz), 2.32-2.41 (m, 2H), 2.13-2.21 (m, 2H), 1.85-1.96 (m, 2H), 1.49-1.59 (m, 2H).

Aufarbeitung

  1. temperatureThe second mixture was refluxed for 1.5 h
  2. temperatureAfter being cooled to room temperature
  3. extractionextracted with ethyl acetate (50 mL)
  4. dry with materialThe organic layer was dried over MgSO4
  5. concentrationconcentrated
  6. customthe residue was purified with silica gel column chromatography (dichloromethane:acetone, 95:5)

Quellen und Nachweise

ORD-Eintrag
ord-fbe13d466eaa4b47895af5a34a579515
Quelldatensatz
uspto-grants-2014_02
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08648105B2

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