1-Methylpiperazine → N8-(4-Cyclobutyl-1,3-thiazol-2-yl)-2-(4-methylpiperazino)-4-oxo-4H-pyrido[1,2-a]-pyrimidine-8-carboxamide

Participants

Reaction Steps

Reactions were performed in the same manner as in Example 8, (E) by using N8-(4-cyclobutyl-1,3-thiazol-2-yl)-2,4-dioxo-3,4-dihydro-2H-pyrido[1,2-a]pyrimidine-8-carboxamide (60 mg, 0.174 mmol) and N-methylpiperazine (60 μl, 1, 0.52 mmol) as regents to obtain 51.2 mg (69%) of the title compound.

Provenance & Evidence