Dehydroabietic acid triarylamino D-pi-A type compound taking furan derivative as pi bridge, and synthetic method thereof

The invention relates to a class of dehydroabietic acid triarylamino D-pi-A type compounds taking a furan derivative as a pi bridge, and a synthesis method thereof. The method comprises: in acetonitrile, carrying out a reaction on a dehydroabietic acid triarylamine compound (I) and NBS to obtain a brominated dehydroabietic acid triarylamine compound (II); in an organic solvent, by taking the brominated dehydroabietic acid triarylamine compound (II) as a raw material, adding a Pd catalyst and carbonate, and carrying out a C-C coupling reaction in a mixed solution of an organic solvent and waterto obtain a dehydroabietic acid triarylamino furanaldehyde compound (III); and carrying out a reaction with cyanacetic acid to obtain a dehydroabietic acid triarylamino D-pi-A type compound (IV), wherein the compound (IV) has a new absorption peak in an ultraviolet absorption spectrum of 381-591 nm, the maximum absorption wavelength of the compound is 477 nm, and the maximum fluorescence emissionwavelength of the compoun