Abstract

We describe here the synthesis of several compounds that include intercalators such as naphthalimide or fluorene, linked to different systems of double and triple bonds. An unusual behaviour of the 9-fluorenylidenetriphenylphosphorane 9 with acetylenic carbonyl compounds, both aldehyde or ketone, is also reported. The isolated products are the result of a [2+2] cycloaddition between the triple bond and the C P double bond, unreported for acetylenic aldehydes or ketones. None of the compounds described have shown any interesting cytotoxic activity.

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