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Home NEWS Science News Chemistry

Synthesis of peripherally annulated phenanthroporphyrins

Bioengineer by Bioengineer
June 27, 2023
in Chemistry
Reading Time: 1 min read
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Prof. Okujima, in collaboration with Prof. Kobayashi at Shinshu University, reported the synthesis, molecular structure, optical properties and electronic structure of unusual phenanthrene-fused porphyrins.

Stepwise synthesis of unusual phenanthrene-fused porphyrins

Credit: Ehime University

Prof. Okujima, in collaboration with Prof. Kobayashi at Shinshu University, reported the synthesis, molecular structure, optical properties and electronic structure of unusual phenanthrene-fused porphyrins.

Precursor porphyrins fused with aryl-substituted bicyclo[2.2.2]octadiene afforded the corresponding arylbenzoporphyrins (arylBPs) by retro Diels–Alder reaction. Unusual phenanthroporphyrins were obtained via the intramolecular Scholl reaction of arylBPs. We analyzed the optical and electronic structures using magnetic circular dichroism spectroscopy and time-dependent density functional theory calculations.

Our findings were published on April 25, 2023 in Organic Letters.



Journal

Organic Letters

DOI

10.1021/acs.orglett.3c00876

Article Publication Date

25-Apr-2023

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