7-Hydroxylucanthone, 7-hydroxhycanthone and their analogs
7-Hydroxylucanthone and 7-hydroxyhycanthone derivatives have been found to have significant antitumor effect. The derivatives are of the general formula: STR1 wherein the radicals R1 and R2 are lower alkyl groups or other simple groups and R3 is OH where X=O, and H or OH where X=S.
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(2008/06/13)
Analogues of hycanthone and lucanthone as antitumor agents
Hycanthone analogues (5 and 6) containing 7-substituted hydroxyl groups were prepared and evaluated as antitumor agents. These compounds were significantly more active than the corresponding unsubtituted derivatives. The 7-hydroxylated-4-(hydroxymethyl)-9H-xanthen-9-ones, 11 and 12, were also active antitumor agents. However, the 7-hydroxy-9H-xanthen-9-one counterparts of the 7-hydroxylucanthones were totally devoid of antitumor activity. Results obtained thus far are consistent with the hypothesis that 4-hydroxymethyl substituents in the 9H-xanthen-9-one and 9H-thioxanthen-9-one series are required for antitumor activity.
Archer,Zayed,Rej,Rugino
p. 1240 - 1246
(2007/10/02)
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