Citation:
LIAN Hui-Qin, WU Xue, CUI Xiu-Guo. Synthesis and Photochromism of 5-(Quinolin-8-yloxy)-6,11-naphthacenediquinone[J]. Chinese Journal of Applied Chemistry,
;2005, 22(3): 308-311.
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A novel photochromic compound,5-(quinolin-8-yloxy)-6,11-naphthacenediquinone (compound 2) was synthesized by reacting 5-chloro-6,11-naph thacenediquinone with 8-hydroxyquinoline in dry DMSO in the presence of potassium carbonate.Like phenoxynaphthacenequinone,the compound shows similar photo-chromic property in benzene,chloroform and DMSO.It exhibits a characteristic double-peak at about 450 nm and 480 nm with an isobestic point at about 400 nm under irradiation of UV light at 365 nm.It was also observed that the position of the longwave absorption bands for compound 2 only slightly depends on the nature of the solvent used.
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Keywords:
- naphthacendiequinone,
- quinoline,
- photochromism,
- photoisomerization
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