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Methanesulfonyl chloride → 2-(4-Fluorophenyl)-3-(methylcarbamoyl)-6-(n-(methylsulfonyl)methylsulfonamido)benzofuran-5-yl trifluoromethanesulfonate

HRID 1671857
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1671857
[CH3:1][S:2](Cl)(=[O:4])=[O:3].[F:6][C:7]([F:34])([F:33])[S:8]([O:11][C:12]1[C:13]([NH2:32])=[CH:14][C:15]2[O:19][C:18]([C:20]3[CH:25]=[CH:24][C:23]([F:26])=[CH:22][CH:21]=3)=[C:17]([C:27](=[O:30])[NH:28][CH3:29])[C:16]=2[CH:31]=1)(=[O:10])=[O:9].CCN(C(C)C)C(C)C>C(Cl)Cl.CCOC(C)=O>[F:34][C:7]([F:6])([F:33])[S:8]([O:11][C:12]1[C:13]([N:32]([S:2]([CH3:1])(=[O:4])=[O:3])[S:2]([CH3:1])(=[O:4])=[O:3])=[CH:14][C:15]2[O:19][C:18]([C:20]3[CH:21]=[CH:22][C:23]([F:26])=[CH:24][CH:25]=3)=[C:17]([C:27](=[O:30])[NH:28][CH3:29])[C:16]=2[CH:31]=1)(=[O:10])=[O:9]
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 3

HCID 31297Methanesulfonyl chlorideHCID 81531DiisopropylethylamineHCID 592755966-Amino-2-(4-fluorophenyl)-3-(methylcarbamoyl)benzofuran-5-yl trifluoromethanesulfonate

Produkt 1

HCID 592754422-(4-Fluorophenyl)-3-(methylcarbamoyl)-6-(n-(methylsulfonyl)methylsulfonamido)benzofuran-5-yl trifluoromethanesulfonateAusbeute 82 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 6344
Dichloromethane
Lösungsmittel
HCID 8857Ethyl AcetateLösungsmittel

Versuchsvorschrift

Methanesulfonyl chloride (146 μL, 1.873 mmol) was added to a stirring solution of 6-amino-2-(4-fluorophenyl)-3-(methylcarbamoyl)benzofuran-5-yl trifluoromethanesulfonate (270 mg, 0.624 mmol) and DIEA (500 μL, 2.86 mmol) in DCM (6.3 mL) at 25° C. It was allowed to stir for 1 hour and then diluted with EtOAc and washed with sat NaHCO3, and sat NaCl. The organic phase was dried over Na2SO4, filtered and concentrated. It was purified on silica gel (Biotage, EtOAc/hexanes gradient, fraction collection at λ=254 nm) to give the titled compound (300 mg, 82%). LC-MS retention time: 1.49 min; m/z (MH+): 589. LC data was recorded on a Shimadzu LC-10AS liquid chromatograph equipped with a Waters XBridge 5u C18 4.6×50 mm column using a SPD-10AV UV-Vis detector at a detector wave length of 220 nM. The elution conditions employed a flow rate of 5 ml/min, a gradient of 100% solvent A/0% solvent B to 0% solvent A/100% solvent B, a gradient time of 2 min, a hold time of 1 min, and an analysis time of 3 mM where solvent A was 5% acetonitrile/95% H2O/10 mM ammonium acetate and solvent B was 5% H2O/95% acetonitrile/10 mM ammonium acetate. MS data was determined using a Micromass Platform for LC in electrospray mode.

Aufarbeitung

  1. washwashed
  2. dry with materialThe organic phase was dried over Na2SO4
  3. filtrationfiltered
  4. concentrationconcentrated
  5. customIt was purified on silica gel (Biotage, EtOAc/hexanes gradient, fraction collection at λ=254 nm)

Quellen und Nachweise

ORD-Eintrag
ord-4eeb7549516f4e81b7e19c40a873f118
Quelldatensatz
uspto-grants-2011_08
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07994171B2

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