HCID 23070956, compound → HCID 23071025, compound

Participants

Reaction Steps

77 mg of t-butyl 4-[7-(2-butynyl)-2-carbamoyl-1-methyl-6-oxo-6,7-dihydro-1H-purin-8-yl]piperazine-1-carboxylate was dissolved in 1 ml of trifluoroacetic acid, and the solution was concentrated. The residue was purified by chromatography using NH-silica gel. Thus, 49 mg of the title compound was obtained from the fraction eluted with ethyl acetate-methanol (5:1)

Provenance & Evidence