Lithium Hydroxide → HCID 59430749, compound

Participants

Reaction Steps

The compound of Example 89-1 (33 mg, 0.06 mmol) was dissolved in methanol (1 ml) and THF (1 ml) and thereto was added 2N aqueous lithium hydroxide solution (1 ml), followed by stirring under reflux for 10 hours. The mixture was diluted with water and washed with ethyl ether. The aqueous layer was adjusted to around pH 4 with 5% aqueous potassium hydrogen sulfate solution and the solution was extracted with ethyl acetate. The organic layer was washed with saturated brine, dried over anhydrous sodium sulfate and filtered. The solvent was removed in vacuo to give the subject compound (quant.).

Provenance & Evidence