反应详情

3-(3,5-Di-tertiary butyl-4-hydroxyphenyl)-1-propyl-1H-pyrazolo[3,4-b]pyridine, melting at 97°-98° C. is prepared by reacting the compound of Example 1 with propyl bromide in a similar manner as Example 9, and recrystallizing from hexane.

1. customrecrystallizing from hexane