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Pyridine → HCID 68549880, Verbindung

HRID 2388568
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 2388568
[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:38])[CH2:36][CH3:37]>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:38])[CH2:36][CH3:37]
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

5

Edukt 3

HCID 1049PyridineHCID 62324Propionyl chlorideHCID 442008822-Chloro-4-(((1R,2S)-1-(5-(4-cyanophenyl)-1,3,4-oxadiazol-2-yl)-2-hydroxypropyl)amino)-3-methylbenzonitrile

Produkt 1

HCID 68549880HCID 68549880, VerbindungAusbeute 52 %

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). Propionyl chloride (0.22 mL, 2.54 mmol) was then added dropwise and the mixture was stirred at room temperature for 19 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 (0.116 g, 52%). 1H NMR (Acetone d6, 400 MHz) δ 8.23 (d, J=9 Hz, 2H), 8.00 (d, J=9 Hz, 2H), 7.53 (d, J=9 Hz, 1H), 7.02 (d, J=9 Hz, 1H), 5.73 (d, J=9 Hz, 1H), 5.69-5.64 (m, 1H), 5.48 (dd, J=5 and 8 Hz, 1H), 2.37 (s, 3H), 2.34 (q, J=7 Hz, 1H), 1.47 (d, J=6 Hz, 3H) and 1.02 (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-1ef074ccd02a45edb574d00b62510dbf
Quelldatensatz
uspto-grants-2012_09
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08268872B2

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