Carbazole dioxazine compound

The invention discloses a carbazole dioxazine compound represented in formula (1) and belongs to the field of organic synthesis. The carbazole dioxazine compound is prepared from a 2, 7-position amino-carbazole derivative and halogenated benzoquinone by means of coupling and condensation reaction. The carbazole dioxazine compound has the advantages that the compound is of a heterocyclic hyperconjugation structure, a molecule of the compound is of a planar rigidity symmetrical structure, the compound can be used as violet pigment by being high in heat stability, can be applied to the fields of organic light-emitting diodes and organic semiconductors due to being high in charge transport capacity and having hole mobility which can be above 1.0E10 cm V s , and can be used as polymer semiconductor materials after further polymerization, thereby being quite promising in application prospect. In the formula (1) (see original text), R1 refers to C1-50 alkyl, R3 and R4 refer to H and C1-C20 alkyl and phenyl at any position respectively, R2 and X refer to halogen, and the whole molecule is of a centrosymmetric structure.