Figure 5. reaction of aldehyde, thiosemicarbazides, and maleic anhydride to give thiazolidinone derivatives (21) and treatment of thiosemicarbazone with benzyl give thiazolidinone derivatives (24)

From

Short Review on Synthesis of Thiazolidinone and β-Lactam

N. A. A. Elkanzi

World Journal of Organic Chemistry. 2013, 1(2), 24-51 doi:10.12691/wjoc-1-2-4