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Photophysical properties and photoisomerization of aza derivatives of trans-2-styrylnaphthalene: trans-1-(2-pyrazinyl)-2-(n-quinoxalinyl)ethylene

✍ Scribed by Sang Chul Shim; Maeng Sup Kim; Ki Taek Lee; Bok Hee Lee


Publisher
Elsevier Science
Year
1992
Tongue
English
Weight
771 KB
Volume
67
Category
Article
ISSN
1010-6030

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The quantum yields of fluorescence, triplet formation and trans-+cis photoisomerization (@r, 0r and @\_,) of the title compounds (H,C-and H&O-StA) were measured in several solvents at room temperature. The respective values in acetonitrile are @r=O.20 and 0.03, &LO. 18 and 0.02, @J,\_~=O. 12 and 0.2