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Paper | Regular issue | Vol 43, No. 4, 1996, pp.829-838
Published online, 1st January, 1970
DOI: 10.3987/COM-95-7372
New Procedures for the Synthesis and Analysis of 5,10,15,20-Tetrakis(sulphophenyl)porphyrins and Derivatives through Chlorosulphonation

Antonio M. d'A. Rocha Gonsalves *, Robert A. W. Johnstone *, Mariette M. Pereira, Alexandra M. P. de SantAna, Arménio C. Serra, Abílio J. F. N. Sobral, and Paul A. Stocks

*Department of Chemistry, University of Liverpool, Liverpool L69 3BX, U.K.


Tetrakisarylporphyrins are conveniently chlorosulphonated in high yields. These chlorosulphonyl compounds may be converted in high yield into sulphonic acid derivatives through reaction with a variety of nucleophiles so as to give, for example, the free sulphonic acid, a sulphonamide or a sulphonate ester.