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Hydrochloric Acid → HCID 178487320, Verbindung

HRID 1749904
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1749904
[NH:1]1[C:9]2[C:4](=[CH:5][CH:6]=[CH:7][CH:8]=2)[C:3](/[CH:10]=[C:11]2\[O:12][C:13]3[C:20]([O:21][CH:22]4[CH2:27][CH2:26][N:25](C(OC(C)(C)C)=O)[CH2:24][CH2:23]4)=[C:19]([O:35][CH3:36])[CH:18]=[CH:17][C:14]=3[C:15]\2=[O:16])=[N:2]1.Cl>C(Cl)Cl.O1CCOCC1>[NH:1]1[C:9]2[C:4](=[CH:5][CH:6]=[CH:7][CH:8]=2)[C:3](/[CH:10]=[C:11]2\[O:12][C:13]3[C:20]([O:21][CH:22]4[CH2:27][CH2:26][NH:25][CH2:24][CH2:23]4)=[C:19]([O:35][CH3:36])[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 178487321HCID 178487321, Verbindung

Produkt 1

HCID 178487320HCID 178487320, VerbindungAusbeute 100 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 6344DichloromethaneLösungsmittelHCID 312751,4-DioxaneLösungsmittel

Versuchsvorschrift

A solution of tert-butyl (Z)-4-{2-[(1H-indazol-3-yl)methylene]-6-methoxy-3-oxo-2,3-dihydrobenzofuran-7-yloxy}piperidine-1-carboxylate (0.020 g, 0.041 mmol) in methylene chloride (3.0 mL) was added with a 4 M solution of hydrogen chloride in 1,4-dioxane (3.0 mL), and then the mixture was stirred at room temperature for 2 hours. After completion of the reaction, the mixture was azeotroped twice with toluene under reduced pressure. The residual solid was added with water, and then the mixture was adjusted to pH 9 with saturated aqueous sodium hydrogencarbonate, and extracted with chloroform. The organic layer was washed with saturated brine, and dried over anhydrous sodium sulfate, and then the solvent was evaporated under reduced pressure to obtain (Z)-2-[(1H-indazol-3-yl)methylene]-6-methoxy-7-(piperidin-4-yloxy)benzofuran-3(2H)-one (0.016 g, 100%).

Aufarbeitung

  1. customAfter completion of the reaction
  2. customthe mixture was azeotroped twice with toluene under reduced pressure
  3. additionThe residual solid was added with water
  4. extractionextracted with chloroform
  5. washThe organic layer was washed with saturated brine
  6. dry with materialdried over anhydrous sodium sulfate
  7. customthe solvent was evaporated under reduced pressure

Quellen und Nachweise

ORD-Eintrag
ord-5d4fa5798dbd4d3fb57dc95e06323f50
Quelldatensatz
uspto-grants-2015_10
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US09156827B2

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