2,3-Dicyanopyrazines Substituted Styryl Electron-Donor Group and Its Application for OLED Emitting Materials

Abstract

fabricated with compound 3a as the emitting layer achieved a current efficiency of 1.57 cd/A with green region CIE coordinates of (0.37, 0.51) and 3b achieved a current efficiency of 0.238 cd/A with red region CIE coordinates of (0.54, 0.42).

Synthesis of carbohydrate-conjugated azaphthalocyanine complexes for PDT

“…The classical synthesis of 2,3-dicyanopyrazines involves the condensation of diaminomalonitrile with 1,2-dicarbonyl compounds. The reaction is facile and it's the most widely used synthetic method for 1,2-dicyanopyrazine derivatives 5 .…”

Facile Synthesis of Hydrazine Derivatives of 5H-Pyrrolo[3,4-b]pyrazine and 1H-Pyrrolo[3,4-b]quinoxaline

“…Heterocyclic 1,2-dicarbonitriles are widely used in contemporary technologies. 1 For example, they are used for the production of azaphthalocyanine containing durable dyes, 2 novel materials for nonlinear optics, 3 photo-and semiconductors, 4 OLED emitting materials, 5 electrophotographic photoreceptors, 6 liquid crystals, electroluminescent devices, 7 solar energy conversion devices, and photoselective absorbing filters for color display devices. 8 Besides, 2,3-dicyanoazines are also useful building blocks for the preparation of fused heterocycles.…”