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Org Lett. 2002 Nov 28;4(24):4229-32.

Poly(ethylene glycol)-supported tetrahydroxyphenyl porphyrin: a convenient, recyclable catalyst for photooxidation reactions.

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  • 1Dipartimento di Chimica Organica e Industriale, Universit√† degli Studi di Milano, via Golgi 19, I-20133 Milano, Italy. maurizio.benaglia@unimi.it


[reaction: see text] A new poly(ethylene glycol)-supported porphyrin has been prepared and its ability as a promoter in photooxidation reactions has been studied. The PEG-supported catalyst exhibits high activity, comparable to that of a nonanchored sensitizer, and it is easily removable by filtration from the reaction mixture. The polymer-bound porphyrin has been recycled up to six times with no loss of chemical and stereochemical efficiency.

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