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Solvent-driven adiabatic trans-to-cis photoisomerization of 4-styrylquinoline

Paper ID Volume ID Publish Year Pages File Format Full-Text
28111 44060 2009 5 PDF Available
Title
Solvent-driven adiabatic trans-to-cis photoisomerization of 4-styrylquinoline
Abstract

Direct one-stage photocyclization of trans-4-styrylquinoline to dihydrobenzo[i]phenanthridine (DHBP) in n-hexane with a quantum yield of 0.013 was observed. The kinetics of the photochemical transformations and an effect of the excitation intensity on the yield of DHBP were studied. In ethanol photocyclization proceeded in two stages with intermediate formation of the cis-isomer in the ground state. These facts imply a diabatic reaction pathway for trans-to-cis photoisomerization of 4-styrylquinoline in ethanol and an adiabatic pathway in hexane.

Keywords
Diarylethylene; Adiabatic photoisomerization; Photocyclization; Solvent effect
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Solvent-driven adiabatic trans-to-cis photoisomerization of 4-styrylquinoline
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 203, Issues 2–3, 15 April 2009, Pages 100–104
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
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