L-1,3-Dioxolane-cytidine, a potent anticancer agent against leukemia, has limited efficacy against solid tumors, perhaps due to its hydrophilicity. Herein, a library of prodrugs were synthesized to optimize in vitro antitumor activity against non-small cell lung cancer. N4-Substituted fatty acid amide prodrugs of 10-16 carbon chain length demonstrated significantly improved antitumor activity over L-1,3-dioxolane-cytidine. These in vitro results suggest that the in vivo therapeutic efficacy of L-1,3-dioxolane- cytidine against solid tumors may be improved with prodrug strategies.
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