Two synthetic routes for the preparation of the water soluble 5,10,15‐tris(4‐sulfonatophenyl)corrole are reported. The first approach explores the chlorosulfonation reaction on the phosphorus complex of 5,10,15‐tris(4‐trimethylsilylphenyl)corrole. Following this route, the P complex of the target corrole has been obtained in low yields, while the major product was the tetrasubstituted complex, with the additional sulfonyl group regioselectively introduced at the 2‐position. To widen the scope of the reaction, the direct preparation of the 5,10,15‐tris(4‐sulfonatophenyl)corrole has been pointed out, affording both the target corrole and the intermediate chlorosulfonyl derivative in reasonable yields. The photophysical properties and the protonation equilibria of both corroles have been investigated, showing that 5,10,15‐tris(4‐sulfonatophenyl)corrole does not aggregate in acidic solutions, different from the analogous porphyrin.

Caroleo, F., Nardis, S., Petrella, G., Bischetti, M., Cicero, D.o., Genovese, D., et al. (2019). 5,10,15-Tris(4-sulfonatophenyl)corrole Synthesis. EUROPEAN JOURNAL OF ORGANIC CHEMISTRY, 2019(38), 6525-6533 [10.1002/ejoc.201901155].

5,10,15-Tris(4-sulfonatophenyl)corrole Synthesis

Caroleo F.;Nardis S.;Petrella G.;Bischetti M.;Cicero D. O.;Paolesse R.
2019-01-01

Abstract

Two synthetic routes for the preparation of the water soluble 5,10,15‐tris(4‐sulfonatophenyl)corrole are reported. The first approach explores the chlorosulfonation reaction on the phosphorus complex of 5,10,15‐tris(4‐trimethylsilylphenyl)corrole. Following this route, the P complex of the target corrole has been obtained in low yields, while the major product was the tetrasubstituted complex, with the additional sulfonyl group regioselectively introduced at the 2‐position. To widen the scope of the reaction, the direct preparation of the 5,10,15‐tris(4‐sulfonatophenyl)corrole has been pointed out, affording both the target corrole and the intermediate chlorosulfonyl derivative in reasonable yields. The photophysical properties and the protonation equilibria of both corroles have been investigated, showing that 5,10,15‐tris(4‐sulfonatophenyl)corrole does not aggregate in acidic solutions, different from the analogous porphyrin.
Pubblicato
Rilevanza internazionale
Articolo
Esperti anonimi
Settore CHIM/07 - Fondamenti Chimici delle Tecnologie
English
Caroleo, F., Nardis, S., Petrella, G., Bischetti, M., Cicero, D.o., Genovese, D., et al. (2019). 5,10,15-Tris(4-sulfonatophenyl)corrole Synthesis. EUROPEAN JOURNAL OF ORGANIC CHEMISTRY, 2019(38), 6525-6533 [10.1002/ejoc.201901155].
Caroleo, F; Nardis, S; Petrella, G; Bischetti, M; Cicero, Do; Genovese, D; Mummolo, L; Prodi, L; Randazzo, R; D'Urso, A; Paolesse, R
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2108/225043
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