Synthesis of Propargyl Compounds and Their CytotoxicActivity
2021
Twelve compounds bearing one or two propargyl groups were prepared and
screened for their cytotoxic activity. Three derivatives,
3-methyl-1-(prop-2-yn-1-yloxy)-9H-carbazole,
1,3-dihydroxy-7-methoxy-2,8-bis(3-methylbut-2-en-1-yl)-6-(prop-2-yn-1-yloxy)xanthen-9-one,
and (3E,7E,11E)-3,7,10,10-tetramethyl-1-(prop-2-yn-1-yl)-1-azacyclododeca-3,7,11-trien-2-one,
were found to have cytotoxic activity. Among them,
1,3-dihydroxy-7-methoxy-2,8-bis(3-methylbut-2-en-1-yl)-6-(prop-2-yn-1-yloxy)xanthen-9-one
showed the strongest activity against HepG2, LU-1, and Hela cell lines with
IC50 values of 1.02, 2.19, and 2.55 μg/mL,
respectively.
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