Optical Pd2+ sensing by rhodamine hydrazone ligands: Different stoichiometries in aqueous/nonaqueous environments

  • Honglin Li
  • , Jianfang Cao
  • , Hao Zhu
  • , Jiangli Fan*
  • , Xiaojun Peng
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

22 Scopus citations

Abstract

A series of rhodamine spiro-leuco compounds have been developed as fluorescence-enhanced sensors for optical sensing of palladium ion (Pd 2+). The initial rhodamine hydrazone derivatives, RPd1-a, RPd1-b, and RPd1-c, display a good coordination to Pd2+ inducing the spirolactam-open reaction with a significant fluorescence enhancement and color generation. Different stoichiometry results, 1:2 in EtOH/H2O and 1:1 in MeOH/DCM were observed for Pd2+/RPd1-c complexation.

Original languageEnglish
Pages (from-to)4357-4361
Number of pages5
JournalTetrahedron Letters
Volume54
Issue number33
DOIs
StatePublished - 14 Aug 2013
Externally publishedYes

Keywords

  • Optical sensing
  • Palladium ion
  • Rhodamine hydrazone
  • Selectivity
  • Stoichiometry

Fingerprint

Dive into the research topics of 'Optical Pd2+ sensing by rhodamine hydrazone ligands: Different stoichiometries in aqueous/nonaqueous environments'. Together they form a unique fingerprint.

Cite this