Diisopropylethylamine → HCID 178452265, compound

Participants

Reaction Steps

To a solution of 6-chloropurine [CAS No. 87-42-3] (7.73 g) in ethanol (100 mL), diisopropylethylamine (26.1 mL) and piperazine-1-carboxylic acid t-butylester (11.16 g) were added, and this was heated under reflux for 16 hours. The solvent was removed under reduced pressure, and the residue was suspended in water (200 mL). The precipitate was collected by filtration, and then washed twice with 50 mL of water and twice with 50 mL of t-butyl methyl ether to give the title compound (13.99 g).

Provenance & Evidence