Lithium Hydroxide → HCID 58277445, compound

Participants

Reaction Conditions

Reaction Steps

10.8 g (26.2 mmol) of the compound of Example 26A are provided in 236 ml of 1,4-dioxane, 236 ml (472 mmol) of a 2N solution of lithium hydroxide in water are added, and the mixture is stirred at 70° C. for 2 h. The mixture is concentrated and a 2N aqueous hydrogen chloride solution is subsequently added to the residue until the pH is acidic, the mixture is extracted with dichloromethane, and the organic phase is dried over magnesium sulfate, filtered and concentrated. 9.90 g (99% of theory) of the title compound are obtained.

Provenance & Evidence