A novel centrosymmetric porphyrazine (Pz) 1 decorated with pyrazino-dibenzo[b,f]azepine units have been prepared via Linstead macrocyclization reaction of a dinitrile precursor. Accordingly, the peripheral azepine nitrogen offers a chemical handle for subsequent functionalizations. Characterization of the metal complexes (MPzs = Metal Porphyrazines) of 1 was accomplished and good catalytic performances were achieved in the Cu(II)- and Co(II)- catalyzed cyclopropanation with ethyl diazoacetate as a test reaction.
Parravicini, M., Vaghi, L., Cravotto, G., Masciocchi, N., Maspero, A., Palmisano, G., et al. (2014). A novel porphyrazine ligand tailored to homogeneous metal catalyzed transformations. ARKIVOC, 2014(6), 72-85 [10.3998/ark.5550190.p008.813].
A novel porphyrazine ligand tailored to homogeneous metal catalyzed transformations
Parravicini M.Primo
;Vaghi L.Secondo
;
2014
Abstract
A novel centrosymmetric porphyrazine (Pz) 1 decorated with pyrazino-dibenzo[b,f]azepine units have been prepared via Linstead macrocyclization reaction of a dinitrile precursor. Accordingly, the peripheral azepine nitrogen offers a chemical handle for subsequent functionalizations. Characterization of the metal complexes (MPzs = Metal Porphyrazines) of 1 was accomplished and good catalytic performances were achieved in the Cu(II)- and Co(II)- catalyzed cyclopropanation with ethyl diazoacetate as a test reaction.
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