Sodium Hydroxide → HCID 68459004, compound

Participants

Reaction Steps

The product from Example 195a (2.50 g, 13.5 mmol) and 2N NaOH (7.77 ml, 15.5 mmol) in MeOH (25 mL) was refluxed for 1 hour, and then evaporated. The residue was dissolved in H2O and acidified to pH 2 with 10% HCl under stirring. The precipitate was collected by filtration, washed with H2O, and dried in vacuum overnight to give the title compound as pale brown crystal (2.30 g, 62%).

Provenance & Evidence