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Pyridine → HCID 68543933, Verbindung

HRID 470899
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 470899
[Cl:1][C:2]1[C:9]([CH3:10])=[C:8]([NH:11][C@@H:12]([C:16]2[O:17][C:18]([C:21]3[CH:26]=[CH:25][C:24]([C:27]#[N:28])=[CH:23][CH:22]=3)=[N:19][N:20]=2)[C@@H:13]([OH:15])[CH3:14])[CH:7]=[CH:6][C:3]=1[C:4]#[N:5].N1C=CC=CC=1.[C:35](Cl)(=[O:39])[CH2:36][CH2:37][CH3:38]>C(Cl)Cl>[C:35]([O:15][C@@H:13]([CH3:14])[C@@H:12]([NH:11][C:8]1[CH:7]=[CH:6][C:3]([C:4]#[N:5])=[C:2]([Cl:1])[C:9]=1[CH3:10])[C:16]1[O:17][C:18]([C:21]2[CH:22]=[CH:23][C:24]([C:27]#[N:28])=[CH:25][CH:26]=2)=[N:19][N:20]=1)(=[O:39])[CH2:36][CH2:37][CH3:38]
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

5

Edukt 3

HCID 1049PyridineHCID 8855Butyryl chlorideHCID 442008822-Chloro-4-(((1R,2S)-1-(5-(4-cyanophenyl)-1,3,4-oxadiazol-2-yl)-2-hydroxypropyl)amino)-3-methylbenzonitrile

Produkt 1

HCID 68543933HCID 68543933, VerbindungAusbeute 60 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6344Dichloromethane
Lösungsmittel

Versuchsvorschrift

To a 50 mL round bottomed flask was added 2-chloro-4-((1R,2S)-1-(5-(4-cyanophenyl)-1,3,4-oxadiazol-2-yl)-2-hydroxypropylamino)-3-methylbenzonitrile (200 mg, 0.508 mmol, pyridine (1 mL, 12.41 mmol) and methylene chloride (15 mL). Butyryl chloride (0.26 mL, 2.54 mmol) was then added dropwise and the mixture was stirred at room temperature for 18 h. The reaction mixture was then quenched with 10% aq HCl (15 mL) and methylene chloride (30 mL) was added. The phases were partitioned and the aqueous phase extracted with methylene chloride (30 mL) (×2). The combined organics were washed with a saturated solution of sodium hydrogen carbonate, dried (Na2SO4) and concentrated to furnish a yellow oil (0.139 g, 60%). 1H NMR (Acetone d6, 400 MHz) δ 8.23 (d, J=9 Hz, 2 H), 8.02 (d, J=9 Hz, 1 H), 7.54 (d, J=9 Hz, 1 H), 7.02 (d, J=9 Hz, 1 H), 5.74 (d, J=9 Hz, 1 H), 5.72-5.64 (m, 1H), 5.48 (dd, J=5 and 8 Hz, 1H), 2.37 (s, 3 H), 2.33-2.25 (m, 2H), 1.64-1.50 (m, 2 H), 1.47 (d, J=6 Hz, 3 H) and 0.92 (t, J=8 Hz, 3H).

Aufarbeitung

  1. customThe reaction mixture was then quenched with 10% aq HCl (15 mL) and methylene chloride (30 mL)
  2. additionwas added
  3. customThe phases were partitioned
  4. extractionthe aqueous phase extracted with methylene chloride (30 mL) (×2)
  5. washThe combined organics were washed with a saturated solution of sodium hydrogen carbonate
  6. dry with materialdried (Na2SO4)
  7. concentrationconcentrated

Quellen und Nachweise

ORD-Eintrag
ord-2be4e7d3dc874a898188e38d8e7f12ba
Quelldatensatz
uspto-grants-2014_01
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08629167B2

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