
Journal of the Chemical Society. Chemical communications p. 35 - 37 (1989)
Update date:2022-07-29
Topics:
Kubo, Yuji
Kuwana, Minoru
Yoshida, Katsuhira
Tomotake, Yasuko
Matsuzaki, Takao
Maeda, Shuichi
The introduction of an acetylamino group at the 2'-position in the aniline ring of a naphhoquinone methide dye produced a red shift with a large increase in the molecular extinction coefficient in CHCl3 solution, and an intramolecular ring-closure reaction of the compound under alkaline conditions gave a new blue dye; the stereochemistry of this chromophoric system was determined by X-ray analysis.
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