Mp. Wentland et al., CYCLIC VARIATIONS OF SR-233377 (WIN-33377) AND EFFECTS ON ANTITUMOR-ACTIVITY, Bioorganic & medicinal chemistry letters, 6(12), 1996, pp. 1345-1350
Novel derivatives of SR 233377 (1, WIN 33377) where a pyrazolo ring fu
sion has been incorporated at the 1- and 9-positions of the thioxantho
ne ring displayed outstanding in vivo efficacy against the murine soli
d tumor Pane 03 (T/C values of 0% with log cell kill greater than or e
qual to 2.0). No relationship between structure and Pane 03 activity w
as observed because all analogues studied were highly active. Copyrigh
t (C) 1996 Elsevier Science Ltd