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Table 4 The ABTS scavenging ability (%) of derivatives 5a–k

From: Synthesis and biological evaluation of the new 1,3-dimethylxanthine derivatives with thiazolidine-4-one scaffold

Compound Scavenging ability (%) Compound Scavenging ability (%)
5a a 20.65 ± 0.26 5g a 23.83 ± 0.43
5b b 70.20 ± 0.11 5h a 22.09 ± 0.23
5c a 62.74 ± 0.48 5i a 66.30 ± 0.32
5d c 57.39 ± 0.32 5j a 26.30 ± 0.31
5e a 27.21 ± 0.12 5k a 76.16 ± 0.45
5f a 29.21 ± 0.27   
Theophylline a 25.97 ± 0.27 Vitamin C d 78.42 ± 0.40
  1. a1 mg/mL; b 0.5 mg/mL; c 0.25 mg/mL; d 0.004 mg/mL; Data are mean ± SD (n = 3, p < 0.05)