Synthesis and photophysical properties o
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Yosuke Nakamura; Masayoshi Kaneko; Noriyuki Yamanaka; Keita Tani; Jun Nishimura
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Article
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1999
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Elsevier Science
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French
β 348 KB
Both syn-and anri-[2.n](3,9)carbazolophanes (n = 4, 5) were obtained by the intramolecular [2 + 21 photocycloaddition of bis(3-vinyl-N-carbazolyl)alkanes. In the case of R = 4, the syn-isomer afforded sandwich excimer fluorescence, whereas the antiisomer Rave monomer fluorescence.