A porphyrin square: synthesis of a square-shaped π-conjugated porphyrin tetramer connected by diacetylene linkages

8 June 2000

journal article
research article
Published by Royal Society of Chemistry (RSC) in Chemical Communications

No. 13,p. 1105-1106
https://doi.org/10.1039/b002699i

Abstract

A square-shaped π-conjugated porphyrin tetramer has prepared: the excitation energies of both the Soret and Q bands, 19880 (503) and 15180 cm⁻¹ (659 nm), respectively, are quite low compared with those for the monomer and reported cyclic porphyrin oligomers.

Keywords

SQUARE SHAPED
CONJUGATED PORPHYRIN
PORPHYRIN TETRAMER
Π CONJUGATED
DIACETYLENE LINKAGES
EXCITATION ENERGIES
PORPHYRIN SQUARE
REPORTED CYCLIC

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