Sodium Carbonate → HCID 44610007, Verbindung

HRID 1963784

Reaktionsgleichung

Reaktionsgleichung von HRID 1963784
Cl[C:2]1[C:11]2[C:6](=[CH:7][CH:8]=[CH:9][N:10]=2)[N:5]=[CH:4][CH:3]=1.[Cl:12][C:13]1[C:18]([NH:19][S:20]([C:23]2[CH:28]=[CH:27][C:26]([F:29])=[CH:25][CH:24]=2)(=[O:22])=[O:21])=[CH:17][C:16](B2OC(C)(C)C(C)(C)O2)=[CH:15][N:14]=1.C(=O)([O-])[O-].[Na+].[Na+].O1CCOCC1>O.C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1>[Cl:12][C:13]1[C:18]([NH:19][S:20]([C:23]2[CH:28]=[CH:27][C:26]([F:29])=[CH:25][CH:24]=2)(=[O:22])=[O:21])=[CH:17][C:16]([C:2]2[C:11]3[C:6](=[CH:7][CH:8]=[CH:9][N:10]=3)[N:5]=[CH:4][CH:3]=2)=[CH:15][N:14]=1

Komponenten

7

Edukt 4

HCID 10340Sodium CarbonateHCID 312751,4-DioxaneHCID 5962624-Chloro-1,5-naphthyridineHCID 53363355n-[2-Chloro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-3-yl]-4-fluorobenzene-1-sulfonamide

Produkt 1

HCID 44610007HCID 44610007, VerbindungAusbeute 46 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 178418397HCID 178418397, VerbindungKatalysatorHCID 962WaterLösungsmittel

Reaktionsbedingungen

Temperatur
100 °C

Versuchsvorschrift

(Some starting materials may be obtained from Aldrich, St. Louis, Mo.) To a 50 mL round-bottomed flask was added 4-chloro-1,5-naphthyridine (40 mg, 243 μmol), N-(2-chloro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-3-yl)-4-fluorobenzenesulfonamide (100 mg, 243 μmol), tetrakis(triphenylphosphine)palladium (28 mg, 24 μmol), sodium carbonate (243 μl, 486 μmol), dioxane (2 mL). The reaction mixture was stirred at 100° C. for 5 h. The mixture was cooled down to room temperature. The reaction mixture was diluted with water (3 mL) and extracted with EtOAc (2×30 mL). The organic extract was washed with saturated NaCl (3 mL), dried over Na2SO4, filtered and concentrated in vacuo and the residue was purified by silica gel chromatography, eluting with 70% EtOAc/hexanes to give N-(2-chloro-5-(1,5-naphthyridin-4-yl)pyridin-3-yl)-4-fluorobenzenesulfonamide (46 mg, 46% yield) as a white solid. MS (ESI pos. ion) m/z calc'd for C19H12ClFN4O2S: 414.0; found 415.0. 1H NMR (300 MHz, CHLOROFORM-d) δ ppm 7.09 (s, 1 H) 7.13-7.23 (m, J=8.33 Hz, 2 H) 7.68 (d, J=4.38 Hz, 1 H) 7.75 (dd, J=8.55, 4.17 Hz, 1 H) 7.97 (dd, J=8.99, 4.90 Hz, 2 H) 8.49-8.56 (m, J=2.85, 2.85 Hz, 2 H) 8.58 (d, J=2.05 Hz, 1 H) 9.01 (dd, J=4.17, 1.68 Hz, 1 H) 9.10 (d, J=4.38 Hz, 1 H)

Aufarbeitung

  1. temperatureThe mixture was cooled down to room temperature
  2. extractionextracted with EtOAc (2×30 mL)
  3. extractionThe organic extract
  4. washwas washed with saturated NaCl (3 mL)
  5. dry with materialdried over Na2SO4
  6. filtrationfiltered
  7. concentrationconcentrated in vacuo
  8. customthe residue was purified by silica gel chromatography
  9. washeluting with 70% EtOAc/hexanes

Quellen und Nachweise

ORD-Eintrag
ord-a6ad25e0f1b641ada53766f596d25e93
Quelldatensatz
uspto-grants-2013_04
Patentnummer
US08415376B2

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