Ethyl Acetate → 2-(4-((2,4-Dioxothiazolidin-5-YL)methyl)phenoxy)acetic acid

Participants

Reaction Conditions

Reaction Steps

To a solution of 4-(2,4-dioxo-3-tritylthiazolidin-5-ylmethyl)phenoxyacetic acid t-butyl ester (6.2 g) in toluene (25 ml) was added p-toluenesulfonic acid mono-hydrate (204 mg) and the mixture was heated under reflux for 3 hours. At elevated temperature ethyl acetate (10 ml) was added and the mixture was stirred at 25° C. for 1.5 hours. The precipitated crystals were filtered to give the desired compound (2.5 g).

Provenance & Evidence