HCID 10223553, compound → HCID 10294443, compound

Participants

Reaction Steps

101 mg of methyl 3-({3-chloro-4-[(3-isopropyl-1H-indol-5-yl)oxy]-5-methyl-phenyl}amino)-3-oxo-propanoate (Example 4a) are dissolved in 2 ml of ethanol and 1 ml of 1N sodium hydroxide solution, the solution is stirred at room temperature for 1 hour and the solvent is removed in vacuo. The residue is rendered acidic, extracted with ethyl acetate, the extract is dried over sodium sulphate and the solvent is removed in vacuo. 87 mg of 3-({3-chloro-4-[(3-isopropyl-1H-indol-5-yl)oxy]-5-methylphenyl}amino)-3-oxopropionic acid are obtained.

Provenance & Evidence