Absorption spectra of n-acetyl-bis(1-pyrenylalanine)methylester in the excited and ionic states

J. A. Tanaka, Hiroshi Masuhara, N. Mataga, R. Goedeweeck, F. C. Deschryver

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

Absorption spectra of the excited and ionic states of threo- and erythro-N-acetyl(1-pyrenylalanine)ethylester were measured by ps and ns laser photolysis methods. Interchromophoric interaction affecting the absorption spectrum was observed only in the excited singlet state, while neither triplet excimer nor dimer cation was detected. The present results are quite different from those of other bichromophoric systems, which were ascribed to rather distant structures of relevant chromophores in dipeptides.

Original languageEnglish
Pages (from-to)331-335
Number of pages5
JournalPolymer Journal
Volume18
Issue number4
DOIs
StatePublished - 1 Jan 1986

Keywords

  • Anion
  • Cation
  • Conformation
  • Diastereoisomer
  • Dipeptide
  • Excimer
  • Laser photolysis
  • Pyrenylalanine
  • The excited singlet state
  • The triplet state

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