1-Hexanol → 5-(Hexyloxy)-1-phenyl-1H-pyrazolo[3,4-b]pyrazine

Participants

Reaction Steps

In 50 ml of hexanol was dissolved 2.1 g (0.091 mole) of metallic sodium, and then, 14.6 g (0.043 mole) of 5-(4-tolylsulfonyl)-1-phenyl-1H-pyrazolo[3,4-b]pyrazine was added to the solution. The mixture was heated under reflux for 2 hours. After completion of the reaction, the exessive amount of hexanol was removed by distillation under a reduced pressure. The residue was washed with water, dried and then recrystallized from a benzene/methanol (1:2) mixed solvent to obtain 11.5 g (the yield was 90%) of 5-hexyloxy-1-phenyl-1H-pyrazolo[3,4-b]pyrazine in the form of a colorless needle crystal.

Provenance & Evidence