Chemistry Letters p. 431 - 434 (1980)
Update date:2022-08-06
Topics:
Goto, Toshio
Tanino, Hideo
Kondo, Tadao
The photochromic lophyl dimers, A and B, are interconverted by uv irradiation, while these two dimers and thermochromic dimer C can be equilibrated in benzene at 100 deg C.Compositions at equilibrium using the corresponding three dimers of 2-(p-tolyl)-4,5-diphenylimidazolyl are A:B = 96:4 and A:B:C = 14:18:68, respectively.
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