Reaktion #8166

Reaktionsgleichung

3-fluorophenylhydrazine hydrochloride

2-acetyl-3-oxo-butyric acid ethyl ester

pyridine

→

1-(3-fluorophenyl)-3,5-dimethyl-1H-pyrazole-4-carboxylic acid ethyl ester

Lösungsmittel

ethanol

Reaktionsbedingungen

Aufarbeitung

1. 1
   Sonstigethat resulting solid

Vorschrift

Similar to Example 1, equimolar amounts of 3-fluorophenylhydrazine hydrochloride and 2-acetyl-3-oxo-butyric acid ethyl ester were combined in a solution of 50% pyridine in ethanol. Analysis showed that resulting solid was the named product (m.p. 55° C.–56.1° C.).

Quelle