Novel 1,4-pentadien-3-one derivatives containing 4-thioquinazoline moiety were designed and synthesized.
The target compounds showed good antiviral activities against TMV and CMV.
EC50 values of class="boldFont">7a were 124.3 and 365.5 渭g/mL for the protection activity against TMV and CMV.
EC50 value of class="boldFont">7j was 213.5 渭g/mL for the curative activity against TMV.
3D-QSAR study was analyzed on the basis of the curative activity against TMV.