6-Amino-2, 2′-bipyridine as a new fluorescent organic compound
K Araki, T Mutai, Y Shigemitsu, M Yamada… - Journal of the …, 1996 - pubs.rsc.org
K Araki, T Mutai, Y Shigemitsu, M Yamada, T Nakajima, S Kuroda, I Shimao
Journal of the Chemical Society, Perkin Transactions 2, 1996•pubs.rsc.org6, 6′-Diamino-2, 2′-bipyridine (1a) has been found to exhibit a strong fluorescence in the
near-UV region. Some amino and/or chloro substituted bipyridines (bpys) have been
synthesized and studied to show that only 6-amino-substituted derivatives exhibited a strong
emission. The emission of 6-amino-6′-chloro-bpy (3a) was the strongest (λmax= 429.0 nm;
Φ= 0.78 in ethanol) among them. On the other hand, little or no emission was observed for
monochloro-, dichloro-and 4-amino-derivatives.
near-UV region. Some amino and/or chloro substituted bipyridines (bpys) have been
synthesized and studied to show that only 6-amino-substituted derivatives exhibited a strong
emission. The emission of 6-amino-6′-chloro-bpy (3a) was the strongest (λmax= 429.0 nm;
Φ= 0.78 in ethanol) among them. On the other hand, little or no emission was observed for
monochloro-, dichloro-and 4-amino-derivatives.
6,6′-Diamino-2,2′-bipyridine (1a) has been found to exhibit a strong fluorescence in the near-UV region. Some amino and/or chloro substituted bipyridines (bpys) have been synthesized and studied to show that only 6-amino-substituted derivatives exhibited a strong emission. The emission of 6-amino-6′-chloro-bpy (3a) was the strongest (λmax= 429.0 nm; Φ= 0.78 in ethanol) among them. On the other hand, little or no emission was observed for monochloro-, dichloro- and 4-amino- derivatives.
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