Ethyl Acetoacetate → HCID 22642453, compound

Participants

Reaction Conditions

Reaction Steps

To 5.7 g of 3-(3-chlorophenylamino)-1-phenyl-2-pyrazolin-5-one were added 30 ml of acetic acid and 4 g of ethyl acetoacetate and the solution was heated at a bath temperature of 150° C. for 10 hours and 20 minutes while stirring. Any insoluble matter was collected by filtration while hot, washed with isopropanol, and air-dried to obtain 2.3 g of 7-(3-chlorophenyl)-2-phenyl-4-methylpyrazolo[3,4-b]pyridine-3,6-dione having a melting point of 278° to 282° C.

Provenance & Evidence