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  • Author: Hien Cao Nguyen x
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Hieu Quang Tran, Hien Cao Nguyen, Thin Van Nguyen, Thanh Thi Nguyen, Toan Ngoc Vo and Cong Tien Nguyend


Knoevenagel condensation of thiazolidine-2,4-dione, which were prepared from chloroacetic acid and thioure by 1,3 dipolar cycloaddition reaction, with 2-hydroxybenzaldehyde, 5-bromo-2-hydroxybenzaldehyde, 3-hydroxybenzaldehyde, 4-hydroxybenzaldehyde and 4-hydoxy-3-methoxybezaldehyde gave five corresponding 5-(hydroxybenzylidene)thiazolidine-2,4-dione compounds. The reaction of 5-(hydroxybenzylidene)thiazolidine-2,4-diones and ethyl chlorofomate or ethyl chloroacetate occurred at both NH and OH centers and gave ten corresponding diesters. The structures of the diesters were confirmed by IR, MS, 1H and 13C-NMR spectral data. However, in test for cytotoxic activity against MCF-7 cells, none of the diester compounds exhibited significant activity.