On February 2, 2017, Kim, Hyeong Seon; Kim, Yeong Gwon; Park, Jae Han; Seo, Ju Hui; Yang, Yong Tak; Yoo, Eun Seon published a patent.Formula: C13H8BrNO The title of the patent was Preparation of organic compounds, compositions, an organic optoelectronic device and a display device. And the patent contained the following:
The present invention relates to an organic compound represented by a combination of I and II [L1-L3, R1-R8, Ar1-Ar3 are as defined in the specification], a composition comprising the organic compound, an organic optoelectronic device including the organic compound or composition and a display device. For example, III was prepared in a multistep synthesis and a device comprised of III displayed the driving voltage of 4.24 V, luminous efficiency of 6.1 cd/A, and CIE (0.134, 0.141). The experimental process involved the reaction of 7-Bromo-2-phenylbenzo[d]oxazole(cas: 1268137-13-8).Formula: C13H8BrNO
The Article related to preparation organic compound composition optoelectronic display device, Heterocyclic Compounds (One Hetero Atom): Indoles, Indolizines, Carbazoles, and Other Arenopyrroles and other aspects.Formula: C13H8BrNO
Referemce:
Benzoxazole – Wikipedia,
Benzoxazole | C7H5NO – PubChem