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. 2006 Jan 20;71(2):724-9.
doi: 10.1021/jo052156t.

Ring-opening metathesis polymer sphere-supported seco-porphyrazines: efficient and recyclable photooxygenation catalysts

Matthew J Fuchter  1 , Brian M Hoffman, Anthony G M Barrett
Affiliations

Ring-opening metathesis polymer sphere-supported seco-porphyrazines: efficient and recyclable photooxygenation catalysts

Matthew J Fuchter et al. J Org Chem. .

Abstract

[reaction: see text] Crossover Linstead macrocyclization of norbornenyl-tagged diaminomaleonitrile with dipropylmaleonitrile gave the corresponding magnesium diaminohexapropylporphyrazine, which was subsequently converted into its zinc seco-derivative. Polymerization gave the corresponding ROMPgel and ROMPsphere (ROMP = ring-opening metathesis polymer) reagents, the latter of which proved efficient as an immobilized catalyst for the sensitized production of singlet oxygen for the purification-minimized parallel synthesis of endoperoxides and ene adducts.

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