Water → HCID 11347841, compound

Participants

Reaction Steps

To a solution of 15 (65 mg, 0.16 mmol) in methanol (2.5 ml) were added aq. NaOH (1.6 ml, 1N) and H2O (1.6 ml) and the mixture was stirred at room temperature for 1 h. The resulting mixture was concentrated at reduced pressure, and the residue was partitioned between H2O (20 ml) and DCM (20 ml). The aqueous phase was acidified to pH=2 with aq HCl (10 ml, 0.1 N) and extracted with DCM (3×20 ml). The combined organic phases were washed with brine (25 ml), dried (Na2SO4) and concentrated at reduced pressure to afford 18 (44 mg, 85%) as a white solid. HPLC [Column Novapack C18 (Waters), 3.9×150 mm, Φ=1 ml/min, λ=214 nm, eluent: ACN/0.05% TFA, (25/75)] Rt=6.38 min.

Provenance & Evidence