Synthesis and anticancer activity of N-bis(trifluoromethyl)alkyl-N′-thiazolyl and N-bis(trifluoromethyl)alkyl-N′-benzothiazolyl ureas

A number of N-bis(trifluoromethyl)alkyl-N′-thiazolyl and -benzothiazolyl ureas have been synthesized and evaluated for their in vitro antiproliferative activities against the human cancer cell lines at the National Cancer Institute (NCI, USA). The activity was shown for compounds 8a,c and 9a–c. The most sensitive cell lines relative to the tested compounds are: 8c PC-3 (prostate cancer, log GI50 −7.10), 9c SNB-75 (CNS cancer, log GI50 −5.84), 9b UO-31 (renal cancer, log GI50 −5.66), and SR (leukemia, log GI50 −5.44) human cancer cells.

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