2-Aza-1,3-butadiene Derivatives Featuring an Anthracene or Pyrene Unit: Highly Selective Colorimetric and Fluorescent Signaling of Cu²⁺Cation

Cation Coordination Induced Modulation of the Anion Sensing Properties of a Ferrocene−Imidazophenanthroline Dyad: Multichannel Recognition from Phosphate-Related to Chloride Anions

Bis(indolyl)methane derivatives as highly selective colourimetric and ratiometric fluorescent molecular chemosensors for Cu2+ cations

Ferrocene-Based Ureas as Multisignaling Receptors for Anions

Imidazole-Annelated Ferrocene Derivatives as Highly Selective and Sensitive Multichannel Chemical Probes for Pb(II) Cations

Triple Channel Sensing of Pb(II) Ions by a Simple Multiresponsive Ferrocene Receptor Having a 1-Deazapurine Backbone