Hydrochloric Acid → HCID 89656488, Verbindung

HRID 930914Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 930914
[F:1][C:2]1[CH:31]=[C:30]([F:32])[CH:29]=[CH:28][C:3]=1[O:4][C:5]1[CH:10]=[CH:9][C:8]([S:11]([CH3:14])(=[O:13])=[O:12])=[CH:7][C:6]=1[C:15]1[C:16]2[CH:25]=[C:24]([CH:26]=[O:27])[NH:23][C:17]=2[C:18](=[O:22])[N:19]([CH3:21])[CH:20]=1.[CH3:33][Mg]Br.Cl>O1CCCC1>[F:1][C:2]1[CH:31]=[C:30]([F:32])[CH:29]=[CH:28][C:3]=1[O:4][C:5]1[CH:10]=[CH:9][C:8]([S:11]([CH3:14])(=[O:12])=[O:13])=[CH:7][C:6]=1[C:15]1[C:16]2[CH:25]=[C:24]([CH:26]([OH:27])[CH3:33])[NH:23][C:17]=2[C:18](=[O:22])[N:19]([CH3:21])[CH:20]=1

Komponenten

5

Edukt 3

HCID 313Hydrochloric AcidHCID 89657403HCID 89657403, VerbindungHCID 178418573HCID 178418573, Verbindung

Produkt 1

HCID 89656488HCID 89656488, VerbindungAusbeute 24,4 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 8028TetrahydrofuranLösungsmittel

Reaktionsbedingungen

Temperatur
0 °C

Versuchsvorschrift

To a solution of Example 278a (0.20 g, 0.44 mmol) in tetrahydrofuran (6 mL) at 0° C. was added methylmagnesium bromide (1.0 M in tetrahydrofuran, 0.873 mL, 0.873 mmol). The reaction mixture was stirred at 0° C. for one hour, and then 1M aqueous HCl (2 mL) was added. The reaction mixture was concentrated and partitioned between saturated aqueous sodium chloride (10 mL) and ethyl acetate (2×30 mL). The combined organic phase was washed with saturated aqueous sodium chloride (30 mL), dried over anhydrous sodium sulfate, filtered, and concentrated. The residue was purified by preparative thin layer chromatography (silica gel, dichloromethane/methanol, 15/1) to provide the title compound (51 mg, 24% yield). 1H NMR (400 MHz, DMSO-d6) δ ppm 11.83 (s, 1H), 7.96 (d, J=2.4 Hz, 1H), 7.86 (dd, J=2.4, 6.4 Hz, 1H), 7.55-7.50 (m, 1H), 7.42-7.36 (m, 2H), 7.20-7.15 (m, 1H), 6.97 (d, J=8.8 Hz, 1H), 6.15 (d, J=2 Hz, 1H), 5.13 (d, J=5.2 Hz, 1H), 4.80-4.77 (m, 1H), 3.57 (s, 3H), 3.25 (s, 3H), 1.38 (d, J=6.4 Hz, 3H). MS (ESI+) m/z 475.1 (M+1)+.

Aufarbeitung

  1. concentrationThe reaction mixture was concentrated
  2. custompartitioned between saturated aqueous sodium chloride (10 mL) and ethyl acetate (2×30 mL)
  3. washThe combined organic phase was washed with saturated aqueous sodium chloride (30 mL)
  4. dry with materialdried over anhydrous sodium sulfate
  5. filtrationfiltered
  6. concentrationconcentrated
  7. customThe residue was purified by preparative thin layer chromatography (silica gel, dichloromethane/methanol, 15/1)

Quellen und Nachweise

ORD-Eintrag
ord-733b089f79cc44eaa9e091e5303d41fd
Quelldatensatz
uspto-grants-2016_03
Patentnummer
US09296741B2

Notizen zur Reaktion

Wird geladen…