Water → Pyrazol-5(4H)-one, 1-(2-benzothiazolyl)-3-methyl-

HRID 493008

Reaktionsgleichung

Reaktionsgleichung von HRID 493008
[NH:1]([C:3]1[S:4][C:5]2[CH:11]=[CH:10][CH:9]=[CH:8][C:6]=2[N:7]=1)[NH2:2].[OH2:12]>C(O)(=O)C>[S:4]1[C:5]2[CH:11]=[CH:10][CH:9]=[CH:8][C:6]=2[N:7]=[C:3]1[N:1]1[C:8](=[O:12])[CH2:6][C:5]([CH3:11])=[N:2]1

Komponenten

4

Edukt 2

HCID 962WaterHCID 119882-Benzothiazolinone, hydrazone

Produkt 1

HCID 459449Pyrazol-5(4H)-one, 1-(2-benzothiazolyl)-3-methyl-

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 176Acetic AcidLösungsmittel

Versuchsvorschrift

2 g (12.1 mmol) of 2-hydrazino-1,3-benzothiazole and 1.58 g (12.1 mmol) of acetoacetic ester are stirred in 40 ml of glacial acetic acid for 2 hours at 90° C. The mixture is then diluted with water and the precipitated crystals are filtered off with suction, washed again with water and dried under reduced pressure.

Aufarbeitung

  1. filtrationthe precipitated crystals are filtered off with suction
  2. washwashed again with water
  3. customdried under reduced pressure

Quellen und Nachweise

ORD-Eintrag
ord-75391b813e274a8b95e1542c76834bcb
Quelldatensatz
uspto-grants-2009_05
Patentnummer
US07534273B2

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