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Study of the Preparation and Photo-Activity of Novel Polycyclic Aromatic Ferrocenium Salts

Author: LiZhiQuan
Tutor: WangTao
School: Beijing University of Chemical Technology
Course: Organic Chemistry
Keywords: Fang ferrocenium Cationic curing UV - visible absorption Photoinitiation activity Thermal stability
CLC: O627.81
Type: Master's thesis
Year: 2009
Downloads: 74
Quote: 2
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Abstract


In order to obtain a high initiation activity cationic photoinitiator and make it more than 300nm photoresponsive region increased, this thesis chloro ligands ferrocenium nucleophilic substitution reaction of the four novel polycyclic aromatic ferrocenium : [ cyclopentadiene - Fe -N-phenyl carbazole ] hexafluorophosphate (NCFC), [ cyclopentadiene - Fe - carbazole phenoxy ] hexafluorophosphate (OCFC), [ cyclopentadienyl ene - iron oxide -α- naphthyl phenyl ] hexafluorophosphate (NOFC-1) and [ cyclopentadiene - iron oxy -β- naphthyl phenyl ] hexafluorophosphate (NOFC-2). UV - visible absorption spectroscopy study found that more than four kinds of ferrocenium at 300nm have strong absorption , with the commonly used high-pressure mercury lamp to match. IR study time , the four prepared a fused aromatic ring aromatic ligands ferrocenium salt photoinitiator polymerization activity were higher than I-261, the aryl peroxides BPO ferrocenium a good sensitizing effect. In order to investigate on the aromatic ring of an electron attractive group of photographic properties , the paper by preparing a [ cyclopentadiene - iron - diphenylmethane ] ferrocenium hexafluorophosphate (PMFC), and then using the obtained oxidation [ cyclopentadiene - Fe - benzophenone ] hexafluorophosphate (BPFC). Two kinds of ferrocenium comparative study found that the introduction of electron withdrawing group did not make BPFC photoinitiator increased activity . Six ferrocenium prepared were characterized by IR and ~ 1HNMR characterization . DSC study prepared cationic photoinitiators have better thermal stability. The use of aromatic ferrocenium photolysis reaction synthesized three kinds of aromatic compounds. And through the NMR solution structure of the product of light were characterized by an initial exploration of the aromatic ferrocenium photolysis reactions in organic synthesis .

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CLC: > Mathematical sciences and chemical > Chemistry > Organic Chemistry > Elements in organic compounds > Ⅷ of group elements, organic compounds > Iron organic compounds
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