A series of chiral fluorescent helicene-BODIPY conjugates was prepared by the regioselective formylation of aza[4]helicene precursors and then an efficient one-pot two-step BODIPY synthesis (13 examples, 28-82%). Fused conjugates exhibit absorption and fluorescence properties (ΦF30-45%) in the red visible domain, and a CPL signature could be measured at 605 nm (glum±5 × 10−4). Photophysical and electronic properties were investigated and rationalized through first principles.
Synthesis and properties of chiral fluorescent helicene-BODIPY conjugates
Zinna F.;Di Bari L.;Lacour J.
2020-01-01
Abstract
A series of chiral fluorescent helicene-BODIPY conjugates was prepared by the regioselective formylation of aza[4]helicene precursors and then an efficient one-pot two-step BODIPY synthesis (13 examples, 28-82%). Fused conjugates exhibit absorption and fluorescence properties (ΦF30-45%) in the red visible domain, and a CPL signature could be measured at 605 nm (glum±5 × 10−4). Photophysical and electronic properties were investigated and rationalized through first principles.File in questo prodotto:
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