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Locked π-Expanded Chlorins in Two Steps from Simple Tetraarylporphyrins

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journal contribution
posted on 10.11.2005, 00:00 by Julien Fouchet, Christophe Jeandon, Romain Ruppert, Henry J. Callot
Upon tandem Reformatsky reaction, easily accessible porphyrinic ketones give “locked” chlorinic diester. Both ketones and diesters, as bases or palladium complexes, efficiently generate singlet dioxygen, as demonstrated by trapping with cholesterol.

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