Hydrochloric Acid → 3-Amino-5-hydroxyindazole hydrochloride

HRID 484916Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 484916
[NH2:1][C:2]1[C:10]2[C:5](=[CH:6][CH:7]=[C:8]([OH:11])[CH:9]=2)[NH:4][N:3]=1.[ClH:12].C(OCC)C>C(O)C>[ClH:12].[NH2:1][C:2]1[C:10]2[C:5](=[CH:6][CH:7]=[C:8]([OH:11])[CH:9]=2)[NH:4][N:3]=1

Komponenten

5

Versuchsvorschrift

In 50 ml of absolute ethyl alcohol was dissolved 3.5 g of the 3-amino-5-hydroxyindazole, and into the solution was introduced dried hydrogen chloride gas under cooling with ice. Then to the solution was added anhydrous diethyl ether to separate crystals. The crystals were obtained by filtration and dried to give 3-amino-5-hydroxyindazole hydrochloride having the following analytical value.

Aufarbeitung

  1. temperatureunder cooling with ice
  2. customto separate crystals
  3. customThe crystals were obtained by filtration
  4. customdried

Quellen und Nachweise

ORD-Eintrag
ord-6efa36e2b2314a6fb44b1a6bfe7ed515
Quelldatensatz
uspto-grants-1985_08
Patentnummer
US04533731

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