Triethylamine → 3-(2-Oxoindolin-3-yl)propyl methanesulfonate

HRID 2363029Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 2363029
[CH3:1][S:2](Cl)(=[O:4])=[O:3].[OH:6][CH2:7][CH2:8][CH2:9][CH:10]1[C:18]2[C:13](=[CH:14][CH:15]=[CH:16][CH:17]=2)[NH:12][C:11]1=[O:19].C(N(CC)CC)C>ClCCl>[CH3:1][S:2]([O:6][CH2:7][CH2:8][CH2:9][CH:10]1[C:18]2[C:13](=[CH:14][CH:15]=[CH:16][CH:17]=2)[NH:12][C:11]1=[O:19])(=[O:4])=[O:3]

Komponenten

5

Edukt 3

HCID 8471TriethylamineHCID 31297Methanesulfonyl chlorideHCID 122442773-(3-Hydroxypropyl)indolin-2-one

Produkt 1

HCID 580466483-(2-Oxoindolin-3-yl)propyl methanesulfonateAusbeute 99,9 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6344DichloromethaneLösungsmittel

Versuchsvorschrift

Methanesulfonyl chloride (0.42 mL, 5.39 mmol) was added dropwise at 0° C. to 3-(3-hydroxypropyl)indolin-2-one (1.03 g, 5.39 mmol) and triethylamine (1.13 mL, 8.09 mmol) in dichloromethane (20 mL). The mixture was allowed to warm to room temperature and stirred for 2 hours. The reaction was washed with 2M aqueous hydrochloric acid and brine, dried (MgSO4), and evaporated. The residue was purified by Biotage flash column chromatography (30% ethyl acetate/hexanes) to give product as an oil (1.45 g, quant.); 1H NMR (DMSO-d6); δ1.66-1.70 (m, 2H); 1.85-1.94 (m, 2H); 3.15 (s, 3H); 3.48 (t, J=6.4 Hz, 1H); 4.19 (t, J=6.4 Hz, 2H); 6.82 (d, J=8 Hz, 1H); 6.96 (m, 1H); 7.18 (m, 1H); 7.25 (d, J=7.6 Hz, 1H); 10.4 (s, 1H); MS for C12H15NO4S m/z 270 (M+H)+.

Aufarbeitung

  1. washThe reaction was washed with 2M aqueous hydrochloric acid and brine
  2. dry with materialdried (MgSO4)
  3. customevaporated
  4. customThe residue was purified by Biotage flash column chromatography (30% ethyl acetate/hexanes)

Quellen und Nachweise

ORD-Eintrag
ord-9ab55b67724747f3b789a22abd3af351
Quelldatensatz
uspto-grants-2014_04
Patentnummer
US08691836B2

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