Synthesis and Octopaminergic Agonist Activity of 2-(Substituted benzylamino)-2-thiazolines

Akinori Hirashima, Yutaka Yoshii, Morifusa Eto

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21 Citations (Scopus)


2-(Substituted benzylamino)-2-thiazolines (SBAT) were synthesized by a hydrochloric acid-catalyzed cyclization of the corresponding thioureas, using a reaction of 2-methylthio-2-thiazoline with substituted benzylamines or by alkylating 2-amino-2-thiazoline. 2-(Alkylthio)-2-thiazolines were obtained by alkylating 2-mercaptothiazoline. Most of the SBAT compounds activated adenylate cyclase in homogenates of cockroach ventral nerve cords; the effect of introducing substituents at the phenyl of the SBAT compounds on octopaminergic agonist activity was not significant. 2-[β-(Substituted phenyi)ethylamino]-2-thiazolines and 2-(alkylthio)-2-thiazolines were not significant octopaminergic agonists. Washing removed nearly all of the activity of one of the SBAT compounds, suggesting that the SBAT compounds bound reversibly to the octopaminergic receptor.

Original languageEnglish
Pages (from-to)1062-1065
Number of pages4
JournalBioscience, biotechnology, and biochemistry
Issue number7
Publication statusPublished - 1992

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Analytical Chemistry
  • Biochemistry
  • Applied Microbiology and Biotechnology
  • Molecular Biology
  • Organic Chemistry


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