Formation and behavior of 1-arylpropene-amine exciplexes

Frederick D. Lewis*, Dario M. Bassani

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

12 Scopus citations


The photochemical reactions of several 1-arylpropenes with diethylamine and trimethylamine in hexane and acetonitrile solution have been investigated. The amines quench the fluorescence of the singlet 1-arylpropenes with rate constants which are dependent upon the aryl substituent. The formation of fluorescent exciplex intermediates is observed for some of the 1-arylpropenes with triethylamine. Preparative irradiation results in the formation of 1-arylpropene-amine adducts as well as 1-arylpropene isomerization, reduction, and dimerization. In the case of 1-phenyl-propene a single adduct is formed with either diethylamine or triethylamine. Mixtures of regioisomeric adducts are formed in the reactions of some of the 1-arylpropenes. The effects of aryl substituents upon exciplex formation and photochemical behavior are discussed.

Original languageEnglish (US)
Pages (from-to)13-20
Number of pages8
JournalJournal of Photochemistry and Photobiology, A: Chemistry
Issue number1
StatePublished - Jun 21 1994

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)
  • Physics and Astronomy(all)


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