Sodium Chloride → HCID 178499521, Verbindung

HRID 2182384Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 2182384
[CH3:1][O:2][CH:3]([O:8][CH3:9])[C:4](=O)[CH:5]=[CH2:6].O.[NH2:11][NH2:12].[Cl-].[Na+]>O>[CH3:1][O:2][CH:3]([O:8][CH3:9])[C:4]1[CH:5]=[CH:6][NH:12][N:11]=1

Komponenten

5

Edukt 3

HCID 5234Sodium ChlorideHCID 24654Hydrazine hydrate (1:1)HCID 224778181,1-Dimethoxybut-3-en-2-one

Produkt 1

HCID 178499521HCID 178499521, Verbindung

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 962WaterLösungsmittel

Versuchsvorschrift

A stirred solution of 1,1-dimethoxy-but-3-en-2-one in water (300 mL) was treated dropwise with hydrazine hydrate (21 ml). After standing at room temperature overnight the reaction mixture was treated with sodium chloride (108 g) and the mixture was then extracted with methyl-t-butylether (200 mL then 100 mL). The combined extracts were dried with magnesium sulfate and then evaporated to give 1H-pyrazol-3-carbaldehyde dimethyl acetal as a light brown oil (18.47 g).

Aufarbeitung

  1. extractionthe mixture was then extracted with methyl-t-butylether (200 mL
  2. dry with materialThe combined extracts were dried with magnesium sulfate
  3. customevaporated

Quellen und Nachweise

ORD-Eintrag
ord-3653ee047e614f95a24cd84bc19f53dd
Quelldatensatz
uspto-grants-2005_05
Patentnummer
US06897208B2

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