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Beilstein J. Org. Chem. 2013, 9, 877–890, doi:10.3762/bjoc.9.101
Graphical Abstract
Scheme 1: Typical reactions for photoinitiated cationic polymerization.
Scheme 2: Examples of previously investigated architectures.
Scheme 3: Investigated Co_Pys.
Scheme 4: Other chemical compounds.
Figure 1: UV–vis absorption spectra of the investigated compounds: (A) In acetonitrile for Py_1 and acetonitr...
Figure 2: HOMO–LUMO orbitals for Py_2, Py_3, Py_5, Py_6, Py_8, Py_11 and Py_12 involved in the π–π* transitio...
Figure 3: Fluorescence quenching of 1Py_3 by the phenacylbromide (PBr) in acetonitrile/toluene (50/50). Inser...
Scheme 5: Photochemical processes for the different Co_Pys.
Figure 4: ESR spectra obtained upon irradiation of (A) Py_3/Iod, (B) Py_3/PBr and (C) Py_3/EDB in tert-butylb...
Figure 5: ESR-spin trapping spectra of Py_9/Iod in tert-butylbenzene (storage at rt for 24 h); (a) experiment...
Figure 6: Photopolymerization profiles of EPOX upon Xe–Hg lamp irradiation (λ > 340 nm) under air for differe...
Figure 7: Photopolymerization profiles of EPOX upon a Xe–Hg lamp irradiation (λ > 340 nm) under air for diffe...
Figure 8: (A) Photopolymerization profiles of EPOX-Si upon a Xe–Hg lamp irradiation (λ > 340 nm) under air fo...
Figure 9: Photopolymerization profiles of TMPTA upon Xe–Hg lamp irradiation (λ > 340 nm) in laminate for diff...
Figure 10: Photolysis of (A) the Py_3/PBr couple, (B) the Py_3/Iod couple, and (C) the Py_3/MDEA couple; Xe–Hg...
Figure 11: Photolysis of (A) the Py_11/Iod and (B) the Py_11/Iod/NVK couple. Halogen lamp irradiation. In acet...
Scheme 6: The oxidative cycle.
Scheme 7: Oxidation versus reduction cycles.