The invention discloses a multi-response azacyclic
formaldehyde fluorescent probe molecule with the structure shown in formula I and its preparation method and application. The molecule realizes the selective and quantitative recognition of
formaldehyde through the
fluorescence analysis method, and is used in automotive interior materials, health Carry out testing and evaluation of
formaldehyde,
copper ions and
sulfide ions in the fields of home furnishing,
biomedicine, etc. It can also be used for
fluorescence imaging of biological samples, and can also be used as an
ultraviolet absorber for plastics, coatings, inks, displays, lighting, glasses, daily use
Chemical industry, textiles and other technical fields, in addition, the multi-responsive azacyclic formaldehyde fluorescent probe molecule provided by the present invention has strong
fluorescence emission performance in solution and
solid state, and can be used as a fluorescent material for anti-counterfeiting technology, light conversion Materials, fluorescent labels,
fluorescent imaging, etc.: wherein, R is H or Cl, and X is CH or N.