Syntheses and some properties of 9,2':7',9"-, 9,2':9',9"-, and/ 9,4':9',9"-terfluorene.
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概要
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Three kinds of terfluorene and 9,4′:9′,9″:4″,9'″-quaterfluorene were synthesized. The <SUP>1</SUP>H-NMR spectrum of 9′- and 9″-methine protons of 9,4′:9′,9″-terfluorene shows an AB spin pattern at room temperature, and that of 9,2′:9′,9″-terfluorene has an A<SUB>2</SUB> pattern. The π-π<SUP>*</SUP> red shift of the UV spectra of some fulvalenes are in the order of 9,9′-bifluorenylidene, 4-(9-fluorenyl)-, and 4,4′-di(9-fluorenyl)-9,9′-bifluorenylidene. A homoconjugation effect was also observed in an alcohol series: 9-fluorenol, 4,9′-bifluoren-9-ol, and 9,4′:9′,9″-terfluoren-9′-ol.
- 公益社団法人 日本化学会の論文
著者
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Minabe Masahiro
Department Of Applied Chemistry Faculty Of Engineering Utsunomiya University
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Yoshida Masaaki
Department Of Applied Chemistry Faculty Of Engineering Utsunomiya University
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Suzuki Kazuo
Departmens Of Oral Histology Matsumoto Dental College
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