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A photochemical electrocyclization of the benzothiazolylphenylethenes involving a CN bond formation

Paper ID Volume ID Publish Year Pages File Format Full-Text
27661 44035 2008 7 PDF Available
Title
A photochemical electrocyclization of the benzothiazolylphenylethenes involving a CN bond formation
Abstract

A novel oxidative photodehydrocyclization of benzothiazolylphenylethenes to a polycyclic heteroaromatic cations with good yields was described. Starting from the trans-derivative, the phototransformation is a multistep process. It includes two photochemical reactions, a trans-cis-isomerization reaction followed by an 1-aza-1,3,5-hexatrienic electrocyclic reaction involving the formation of CN bond. The cyclized product gives the stable heteroaromatic cations from hydride elimination with oxygen from air.

Keywords
Electrocyclic reaction; Photocyclization; 2-Styrylbenzothiazoles; Crown ethers; Benzothiazolo[3,2-a]quinolines
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A photochemical electrocyclization of the benzothiazolylphenylethenes involving a CN bond formation
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 196, Issues 2–3, 20 May 2008, Pages 239–245
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
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