Synthesis and phototransformations of novel styryl-substituted furobenzobicyclo[3.2.1]octadiene derivatives (CROSBI ID 164955)
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Kikaš, Ilijana ; Škorić, Irena ; Marinić, Željko ; Šindler-Kulyk, Marija
engleski
Synthesis and phototransformations of novel styryl-substituted furobenzobicyclo[3.2.1]octadiene derivatives
Novel cis- and trans-(o-H/Me/vinyl) substituted styryl furo-benzobicyclo[3.2.1]octadiene derivatives (7a, b, 8) were prepared and transformed to the novel naphthofuran derivatives of benzobicyclo[3.2.1]octadiene (6a, b) and novel phenanthrene-benzobicyclo[3.2.1]octadiene derivative (11) by photochemical electrocyclic ring closure in the presence of iodine and by intramolecular photoinduced [4+2] cycloaddition, respectively. These novel annelated bicyclo[3.2.1]octadiene derivatives (6a, b, 11) are especially interesting for their rigid methanobridged junction of two aromatic units at defined geometrical arrangement and thereby as potentials for molecular clips.
electrocyclization ; furan ; intramolecular cycloaddition ; photochemistry ; synthesis
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