NDLI: Photochemical Properties of 1-(9-Phehanthryl)-2-(2-Quinolyl)ethylene

Content Provider	Semantic Scholar
Author	Budyka, Mikhayl F.
Copyright Year	2018
Abstract	Spectral and photochemical properties of 1-(9-phehanthryl)-2-(2-quinolyl)ethylene (9Ph2QE) in neutral and protonated forms have been investigated. It has been found that both isomers of 9Ph2QE are photoactive. The quantum yield of trans–cis photoisomerization (ϕtc = 0.47) in the neutral form is typical of the diabatic photoisomerization; on passing to the protonated form, ϕtc increases up to 0.70. Thus, the double annelation of the 2-styrylquinoline phenyl group to form 9Ph2QE makes it possible to conserve the α-effect, which consists in an increase in the quantum yield to ϕtc > 0.5 on passing from the neutral to protonated form, whereas the effect disappears for other types of annelation (naphthylquinolylethylenes, 1-(9-anthryl)-2-(2-quinolyl)ethylene).
Starting Page	103
Ending Page	107
Page Count	5
File Format	PDF HTM / HTML
DOI	10.1134/S0018143918020066
Volume Number	52
Alternate Webpage(s)	https://page-one.springer.com/pdf/preview/10.1134/S0018143918020066
Alternate Webpage(s)	https://doi.org/10.1134/S0018143918020066
Journal	High Energy Chemistry
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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