Sodium Hydroxide → HCID 86640056, compound

Participants

Reaction Steps

Dissolve (S)-(7-formyl-4-pyridin-2-ylmethyl-1,2,3,4-tetrahydro-cyclopenta[b]indol-2-yl)-carbamic acid isopropyl ester (181 mg, 0.48 mmol) in methanol (10 mL) and 1.0 N sodium hydroxide (2.4 ml, 2.4 mmol). Add methoxyamine hydrochloride (120 mg, 1.44 mmol) and stir at room temperature overnight. Dilute with ethyl acetate, wash with 10% potassium carbonate, dry over anhydrous sodium sulfate, filter, and concentrate. Purify the crude product on a 12 g silica gel column eluting with 30% ethyl acetate/dichloromethane to obtain the pure title compound (53 mg, 27%). LCMS 407.1 (M+1).

Provenance & Evidence