Thiazolidinedione → HCID 131725199, compound

Participants

Reaction Steps

To a solution of the title compound of Step B (284 mg, 0.96 mmol) in toluene (16 ml) was added 2,4-thiazolidinedione (140 mg, 1.2 mmol), a catalytic amount of piperidinium acetate which was generated from piperidine (five drops) and acetic acid (five drops) and 4 Å molecular sieves. The mixture was stirred under reflux for about four hours, cooled to room temperature, filtered and concentrated. The product was purified by preparative TLC (4% methanol in dichloromethane) to afford the title compound (153 mg). MS (APCI−) Calc: 395.0, Found: 394.0 (M−1).

Provenance & Evidence