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Benzoporphyrins via an olefin ring-closure metathesis methodology
Authors:Jiao Lijuan  Hao Erhong  Fronczek Frank R  Vicente M Graça H  Smith Kevin M
Affiliation:Department of Chemistry, Louisiana State University, Baton Rouge, LA 70803, USA.
Abstract:A new route to benzoporphyrins is reported in which readily available vicinal dibromoporphyrins are bis-allylated using the Suzuki reaction, cyclized by way of olefin metathesis and finally oxidized to give mono-, di-, or tri-benzoporphyrins.
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