Diisopropylethylamine → HCID 86686903, Verbindung

HRID 2363848Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 2363848
C(N(C(C)C)CC)(C)C.FC(F)(F)C(O)=O.[CH3:17][O:18][C:19](=[O:38])[CH2:20][C:21]1[CH:30]=[C:29]([CH:31]2[CH2:36][CH2:35][NH:34][CH2:33][CH2:32]2)[C:28]2[C:23](=[CH:24][CH:25]=[C:26]([F:37])[CH:27]=2)[CH:22]=1.[Cl:39][C:40]1[CH:41]=[C:42]([S:47](Cl)(=[O:49])=[O:48])[CH:43]=[C:44]([Cl:46])[CH:45]=1>O1CCCC1>[CH3:17][O:18][C:19](=[O:38])[CH2:20][C:21]1[CH:30]=[C:29]([CH:31]2[CH2:36][CH2:35][N:34]([S:47]([C:42]3[CH:41]=[C:40]([Cl:39])[CH:45]=[C:44]([Cl:46])[CH:43]=3)(=[O:49])=[O:48])[CH2:33][CH2:32]2)[C:28]2[C:23](=[CH:24][CH:25]=[C:26]([F:37])[CH:27]=2)[CH:22]=1

Komponenten

5

Edukt 3

HCID 81531DiisopropylethylamineHCID 5223883,5-Dichlorobenzenesulfonyl chlorideHCID 86686887HCID 86686887, Verbindung

Produkt 1

HCID 86686903HCID 86686903, VerbindungAusbeute 42,4 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 8028TetrahydrofuranLösungsmittel

Versuchsvorschrift

Diisopropylethylamine (0.6 mL, 3.4 mmol) was added at 0° C. to a solution of (6-fluoro-4-piperidin-4-yl-naphthalen-2-yl)-acetic acid methyl ester trifluoroacetate salt (which may be prepared as described above; 150 mg, 0.36 mmol) in tetrahydrofuran (5 mL), and the mixture was stirred at room temperature for 30 min. 3,5-Dichlorobenzenesulfonyl chloride (available from Sigma-Aldrich; 133 mg, 0.54 mmol) was added and the mixture was stirred at room temperature for 16 h. The solvent was evaporated under reduced pressure. Ethyl acetate was added and the mixture was washed with aqueous NaHCO3 (5 mL) and water (5 mL). The organic layer was dried over Na2SO4, filtered, and evaporated under reduced pressure. The residue was purified by chromatography on silica gel using a Biotage purification system, eluting with 10% ethyl acetate/hexanes, to give {4-[1-(3,5-dichloro-benzenesulfonyl)-piperidin-4-yl]-6-fluoro-naphthalen-2-yl}-acetic acid methyl ester (78 mg, 42%) as a sticky off-white solid. MS cald. for C24H23Cl2FNO4S [(M+H)+]: 510, obsd. 510.2.

Aufarbeitung

  1. stirringthe mixture was stirred at room temperature for 16 h
  2. customThe solvent was evaporated under reduced pressure
  3. additionEthyl acetate was added
  4. washthe mixture was washed with aqueous NaHCO3 (5 mL) and water (5 mL)
  5. dry with materialThe organic layer was dried over Na2SO4
  6. filtrationfiltered
  7. customevaporated under reduced pressure
  8. customThe residue was purified by chromatography on silica gel using
  9. customa Biotage purification system
  10. washeluting with 10% ethyl acetate/hexanes

Quellen und Nachweise

ORD-Eintrag
ord-af5ca075c63e45ec81e2cfbd6fa621ac
Quelldatensatz
uspto-grants-2014_04
Patentnummer
US08691993B2

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