Synthesis and characterization of 1,1′-Di-n-butyl-3,3,3′,3′-tetramethylindotricarbocyanine perchlorate as a novel functional dye;

A new of spiropyran photochromic compound containing naphthalene ring was designed and synthesized by using 2-hydroxy-l-naphthaldehyde and 2,3,3-trimethyl-3H-indole as main raw materials.

Determination of epinephrine by an improved modification of the trihydroxyindole method.;