HCID 70560825, compound → HCID 70565237, compound

Participants

Reaction Steps

A mixture of methyl 2-(4-(tert-butoxycarbonylamino)-1H-indol-1-yl)-2-(4-chlorophenyl)butanoate (500 mg), as described in Example 3 Step A, in 10 mL of 4 N HCl/MeOH was stirred at room temperature for 1 h. Then the solvent was removed. The residue was dissolved in EA (30 mL) and pH value was adjusted to 9˜10 with saturated aq. NaHCO3. The organic layers was washed with water (10 mL), brine, dried over sodium sulfate and concentrated to give the title product as a pale brown solid. LC/MS m/z=343.2 [M+H]+.

Provenance & Evidence