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Hydrochloric Acid → HCID 178515798, Verbindung

HRID 1750019
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1750019
[NH:1]1[C:5]2=[N:6][CH:7]=[CH:8][CH:9]=[C:4]2[C:3](/[CH:10]=[C:11]2\[O:12][C:13]3[C:20]([CH2:21][N:22]4[CH2:27][CH2:26][N:25](C(OC(C)(C)C)=O)[CH2:24][CH2:23]4)=[CH:19][CH:18]=[CH:17][C:14]=3[C:15]\2=[O:16])=[N:2]1.Cl>C(Cl)Cl.O1CCOCC1>[NH:1]1[C:5]2=[N:6][CH:7]=[CH:8][CH:9]=[C:4]2[C:3](/[CH:10]=[C:11]2\[O:12][C:13]3[C:20]([CH2:21][N:22]4[CH2:27][CH2:26][NH:25][CH2:24][CH2:23]4)=[CH:19][CH:18]=[CH:17][C:14]=3[C:15]\2=[O:16])=[N:2]1
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

5

Edukt 2

HCID 313Hydrochloric AcidHCID 178452294HCID 178452294, Verbindung

Produkt 1

HCID 178515798HCID 178515798, VerbindungAusbeute 58 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 6344DichloromethaneLösungsmittelHCID 312751,4-DioxaneLösungsmittel

Versuchsvorschrift

A solution of tert-butyl (Z)-4-({2-[(1H-pyrazolo[3,4-b]pyridin-3-yl)methylene]-3-oxo-2,3-dihydrobenzofuran-7-yl}methyl)piperazine-1-carboxylate (0.0292 g, 0.0633 mmol) in methylene chloride (3 mL) was added with a 4 M solution of hydrogen chloride in 1,4-dioxane (2 mL), and the mixture was stirred at room temperature for 2 hours. The reaction mixture was concentrated, the resulting residue was added with saturated aqueous sodium hydrogencarbonate, and the mixture was extracted with ethyl acetate. The organic layer was dried over anhydrous sodium sulfate, then the solvent was evaporated, and the resulting residue was purified by silica gel column chromatography (aminopropyl silica was used, chloroform/methanol) to obtain (Z)-2-[(1H-pyrazolo[3,4-b]pyridin-3-yl)methylene]-7-(piperazin-1-ylmethyl)benzofuran-3(2H)-one (0.0132 g, 58%).

Aufarbeitung

  1. concentrationThe reaction mixture was concentrated
  2. additionthe resulting residue was added with saturated aqueous sodium hydrogencarbonate
  3. extractionthe mixture was extracted with ethyl acetate
  4. dry with materialThe organic layer was dried over anhydrous sodium sulfate
  5. customthe solvent was evaporated
  6. customthe resulting residue was purified by silica gel column chromatography (aminopropyl silica was used, chloroform/methanol)

Quellen und Nachweise

ORD-Eintrag
ord-53455ac4745b4d888915624180b061f8
Quelldatensatz
uspto-grants-2015_10
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US09156827B2

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