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Water → 1-(benzo[d][1,3]dioxol-5-yl)-N-(2-tert-butyl-6-fluoro-1-(2-hydroxyethyl)-1H-indol-5-yl)cyclopropanecarboxamide

HRID 1908569
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Reaktionsgleichung

Reaktionsgleichung von HRID 1908569
[O:1]1[C:5]2[CH:6]=[CH:7][C:8]([C:10]3([C:13]([NH:15][C:16]4[CH:17]=[C:18]5[C:22](=[CH:23][C:24]=4[F:25])[NH:21][CH:20]([C:26]([CH3:29])([CH3:28])[CH3:27])[CH2:19]5)=[O:14])[CH2:12][CH2:11]3)=[CH:9][C:4]=2[O:3][CH2:2]1.[CH:30]([CH:32]=O)=[O:31].O.[BH3-]C#N.[Na+]>CO.CC#N.O.C(O)(=O)C>[O:1]1[C:5]2[CH:6]=[CH:7][C:8]([C:10]3([C:13]([NH:15][C:16]4[CH:17]=[C:18]5[C:22](=[CH:23][C:24]=4[F:25])[N:21]([CH2:32][CH2:30][OH:31])[C:20]([C:26]([CH3:29])([CH3:28])[CH3:27])=[CH:19]5)=[O:14])[CH2:12][CH2:11]3)=[CH:9][C:4]=2[O:3][CH2:2]1
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Komponenten

8

Edukt 4

HCID 962WaterHCID 7860GlyoxalHCID 5003444Sodium cyanoborohydrideHCID 59129318HCID 59129318, Verbindung

Produkt 1

HCID 591291721-(benzo[d][1,3]dioxol-5-yl)-N-(2-tert-butyl-6-fluoro-1-(2-hydroxyethyl)-1H-indol-5-yl)cyclopropanecarboxamide

Reagenzien, Katalysatoren, Lösungsmittel 3

HCID 176
Acetic Acid
Lösungsmittel
HCID 887MethanolLösungsmittel
HCID 18373917Acetonitrile--water (1/1)Lösungsmittel

Versuchsvorschrift

To a solution of 1-(benzo[d][1,3]dioxol-5-yl)-N-(2-tert-butyl-6-fluoroindolin-5-yl)cyclopropanecarboxamide (340 mg, 0.86 mmol) in anhydrous MeOH (5.7 mL) containing 1% of acetic acid was added glyoxal 40% in water (0.60 mL, 5.2 mmol) at room temperature under N2. After 20 min of stirring, NaBH3CN (120 mg, 1.9 mmol) was added in one portion and the reaction mixture was stirred overnight at room temperature. The solvent was removed under reduced pressure and the residue obtained was purified by column chromatography on silica gel (10-40% ethyl acetate/hexanes) providing a pale yellow oil which was treated with 50/50 CH3CN—H2O containing 0.05% TFA and CDCl3. Solvent was removed under reduced pressure and the residue was purified by column chromatography on silica gel (20-35% ethyl acetate/hexanes) to give 1-(benzo[d][1,3]dioxol-5-yl)-N-(2-tert-butyl-6-fluoro-1-(2-hydroxyethyl)-1H-indol-5-yl)cyclopropanecarboxamide. 1H NMR (400 MHz, CDCl3) δ 8.02 (d, J=7.7 Hz, 1H), 7.30 (d, J=2.1 Hz, 1H), 6.93 (dd, J=1.6, 7.9 Hz, 1H), 6.90 (d, J=1.6 Hz, 1H), 6.90 (d, J=1.6 Hz, 1H), 6.78 (d, J=7.9 Hz, 1H), 6.08 (s, 1H), 5.92 (s, 2H), 4.21 (dd, J=6.9, 6.9 Hz, 2H), 3.68 (m, 2H), 2.28 (s, 1H), 1.60 (dd, J=3.7, 6.7 Hz, 2H), 1.35-1.32 (m, 9H), 1.04 (dd, J=3.7, 6.8 Hz, 2H). MS (ESI) m/e (M+H+) 439.0.

Aufarbeitung

  1. stirringthe reaction mixture was stirred overnight at room temperature
  2. customThe solvent was removed under reduced pressure
  3. customthe residue obtained
  4. customwas purified by column chromatography on silica gel (10-40% ethyl acetate/hexanes)
  5. customproviding a pale yellow oil which
  6. customSolvent was removed under reduced pressure
  7. customthe residue was purified by column chromatography on silica gel (20-35% ethyl acetate/hexanes)

Quellen und Nachweise

ORD-Eintrag
ord-2721098f817344e6b4a16a24304f2b11
Quelldatensatz
uspto-grants-2013_12
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08598181B2

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