Diethyl (ethoxymethylene)malonate → HCID 178469872, compound

Participants

Reaction Conditions

Reaction Steps

To a solution of 5-cyclopropyl-2H-pyrazol-3-ylamine (280 mg, 2.3 mmol, 1 eq) in acetic acid (3 mL) was added 2-ethoxymethylene-malonic acid diethyl ester (500 μL, 2.5 mmol, 1.1 eq). The mixture was heated at 120° C. for 2 h in a sealed tube. After cooling, the precipitate was filtered and washed with ethanol to afford the expected compound as white powder (420 mg, 75% yield).

Provenance & Evidence