1,4-Dioxane → HCID 66665368, compound

Participants

Reaction Steps

A solution of tert-butyl 8-acetoxy-2,3-diphenyl-7,8-dihydropyrido[2,3-b]pyrazine-5(6H)-carboxylate (Step 1) (190 mg, 0.426 mmol) in 4M HCl in dioxane (dry) (2.665 ml, 10.66 mmol) was left to stir at room temperature for 1 hour, under an atmosphere of nitrogen. The mixture was concentrated in vacuo and the crude product was purified by chromatography on silica eluting with EtOAc/iso-hexane to afford the title compound;

Provenance & Evidence