3-(Pyridin-3-ylamino)-4-ethoxy-cyclobut-3-ene-1,2-dione → 3-{2-[4-(4-Chlorophenoxy)-phenyl]-ethylamino}-4-(pyridin-3-yl-amino)-cyclobut-3-ene-1,2-dione

Participants

Reaction Conditions

Reaction Steps

3-Ethoxy-4-(pyridine-3-ylamino)-3-cyclobutene-1,2-dione (70 mg, 0.32 mmol) prepared according to example 1A and 2-[4-(4-chlorophenoxy)-phenyl]-ethylamine (105 mg, 0.45 mmol) in EtOH (1.5 mL) were stirred and heated to 150° C. in a sealed vessel in a microwave synthesizer for 1 min. After cooling to r.t. the precipitate was filtered off, washed with EtOH (3×3 mL) and dried in vacuo.

Provenance & Evidence