Huang, Jinhai et al. published their patent in 2017 |CAS: 1268137-13-8

The Article related to preparation fluorene organic electroluminescent organic electroluminescent device, Heterocyclic Compounds (More Than One Hetero Atom): Thiazoles, Isothiazoles and other aspects.SDS of cas: 1268137-13-8

On October 20, 2017, Huang, Jinhai; Su, Jianhua published a patent.SDS of cas: 1268137-13-8 The title of the patent was Preparation of the fluorene organic electroluminescent compound and organic electroluminescent device. And the patent contained the following:

The invention relates to fluorene organic electroluminescent compound and organic electroluminescent device. The invention compounds I, wherein X is selected from N, O or S etc.; R1-R10 are each independently selected from H, C1-12 alkyl, C6-30 aryl, etc.; are claimed. The compound has good thermostability, high luminous efficiency and high luminous purity, can be used for manufacturing organic electroluminescent device, and can be used in organic solar cell, organic thin-film transistor or organic photoreceptor. The organic electroluminescent device includes an anode, a cathode and an organic layer. The organic layer contains at least one of the light-emitting layers, hole injection layers, hole transport layers, hole blocking layers, electron injection layers and electron transport layers. The organic electroluminescent device has good electroluminescent efficiency, excellent color purity and long service life. The experimental process involved the reaction of 7-Bromo-2-phenylbenzo[d]oxazole(cas: 1268137-13-8).SDS of cas: 1268137-13-8

The Article related to preparation fluorene organic electroluminescent organic electroluminescent device, Heterocyclic Compounds (More Than One Hetero Atom): Thiazoles, Isothiazoles and other aspects.SDS of cas: 1268137-13-8

Referemce:
Benzoxazole – Wikipedia,
Benzoxazole | C7H5NO – PubChem

Li, Zhongqing et al. published their patent in 2022 |CAS: 1268137-13-8

The Article related to fluorene azole compound preparation electron transport material oled, Heterocyclic Compounds (More Than One Hetero Atom): Thiazoles, Isothiazoles and other aspects.Product Details of 1268137-13-8

On February 8, 2022, Li, Zhongqing; Hu, Jianjun; Zhang, Xiaoling; Hang, Deyu; Ban, Quanzhi; Cheng, Dandan; Duan, Lumeng published a patent.Product Details of 1268137-13-8 The title of the patent was Preparation of fluorene azole based compound and its applications in OLEDs. And the patent contained the following:

The present invention relates to the preparation of fluorene azole based compound and its applications in OLEDs. In particular, the fluorene azole based compound I (wherein, X and Y = -N=, -O- or -S-, and X and Y are not at the same time -N=; R1-R9 = H, halogen, (un)substituted C1-C20 chain alkyl, (un)substituted C3-C20 cycloalkyl, (un)substituted C1-C20 alkoxy or (un)substituted C6-C60 aryl groups, (un)substituted C3-C60 heteroaryl groups containing heteroatoms and having electron withdrawing properties; the heteroatom in the heteroaryl group with electron withdrawing property is selected from N, O or S, and includes at least one nitrogen atom). Further, (R1-R9 are not H at the same time, and at least one of R1-R9 is (un)substituted C3-C60 heteroaryl group containing a heteroatom and having electron-withdrawing properties; the two adjacent groups in R1 to R9 are not connected to each other or the rings are connected by chem. bonds; when each of the (un)substituted groups in R1-R9 has a substituent group, the substituent group is selected from D, halogen, C1-C20 chain alkyl etc.) was prepared The inventive product is applied to OLED device, and the device exhibits advantages of low driving voltage and high emission efficiency. The experimental process involved the reaction of 7-Bromo-2-phenylbenzo[d]oxazole(cas: 1268137-13-8).Product Details of 1268137-13-8

The Article related to fluorene azole compound preparation electron transport material oled, Heterocyclic Compounds (More Than One Hetero Atom): Thiazoles, Isothiazoles and other aspects.Product Details of 1268137-13-8

Referemce:
Benzoxazole – Wikipedia,
Benzoxazole | C7H5NO – PubChem

Nokura, Yoshihiko et al. published their patent in 2022 |CAS: 1268137-13-8

The Article related to heterocycle preparation pesticide, Heterocyclic Compounds (More Than One Hetero Atom): Thiazoles, Isothiazoles and other aspects.SDS of cas: 1268137-13-8

On March 23, 2022, Nokura, Yoshihiko; Tobita, Hidekatsu published a patent.SDS of cas: 1268137-13-8 The title of the patent was Heterocyclic compound, and pest control method. And the patent contained the following:

Disclosed is a pest control method, characterized by applying a compound I [R1 = alkyl, alkoxy, cyano, etc. (wherein alkyl and alkoxy are optionally substituted with halo); n = 0-2; Q = Q1 or Q2; X1 = CH or N; X4 = -CO2Me, -CONHCH3, -CO2Et, etc.; X3 = hydrocarbon chain, cyclopropyl, alkoxy, etc. (wherein hydrocarbon chain, cyclopropyl and alkoxy are optionally substituted with halo); R61 = Me or ethyl; J = J1 or J2; Y1 = oxygen atom, sulfur atom, -N(R2)-, etc.; Y2 = C(R6) or N; Y3 = C(R7) or N; Y4 = oxygen atom, sulfur atom or C(R8); R2, R8 = H, hydrocarbon group or cyclopropyl (wherein hydrocarbon chain and cyclopropyl are optionally substituted with halo); R6, R7 = alkyl, alkoxy, cyano, etc. (wherein alkyl and alkoxy are optionally substituted with halo); E = hydrocarbon chain (optionally substituted with group A), alicyclic hydrocarbon group (optionally substituted with group B), cyano, etc.; group A = halo, cyano, nitro, etc.; group B = oxo, thioxo, cyano, etc.; or its N-oxide or a salt thereof] to a harmful organism, a pest habitat area, a plant, or a plant cultivation carrier. Thus, compound II was prepared via reaction of 2-amino-3-bromophenol with benzoyl chloride, exposure to p-TsOH·H2O, Pd(dppf)Cl2-catalyzed reaction with bis(pinacolato)diboron, coupling reaction with Me 2-iodo-3-methoxyacrylate, and amidation with methylamine. A composition comprising an invention compound is useful for controlling Septoria tritici, Sphaerotheca fuliginea, Cladosporium fulvum, etc. The experimental process involved the reaction of 7-Bromo-2-phenylbenzo[d]oxazole(cas: 1268137-13-8).SDS of cas: 1268137-13-8

The Article related to heterocycle preparation pesticide, Heterocyclic Compounds (More Than One Hetero Atom): Thiazoles, Isothiazoles and other aspects.SDS of cas: 1268137-13-8

Referemce:
Benzoxazole – Wikipedia,
Benzoxazole | C7H5NO – PubChem

Gao, Chunji et al. published their patent in 2021 |CAS: 1268137-13-8

The Article related to oxazolophenanthridine derivative preparation light emitting host material oled, imidazophenanthridine derivative preparation light emitting host material oled, carbazole derivative preparation light emitting host material oled and other aspects.Safety of 7-Bromo-2-phenylbenzo[d]oxazole

On November 23, 2021, Gao, Chunji; Zhao, Xiaoyu published a patent.Safety of 7-Bromo-2-phenylbenzo[d]oxazole The title of the patent was Preparation of heterocyclic compound as light emitting host material layer for organic electroluminescent device. And the patent contained the following:

The invention relates to preparation of heterocyclic compound as light emitting host material layer for organic electroluminescent device. In particular, the heterocyclic compound as light emitting host material layer I or II (wherein, Ar1 – Ar4 = (un)substituted C6-C30 aryl or (un)substituted C3-C30 heteroaryl groups; X1 – X4 = C or N; Y1 and Y2 = NR1 or O; R1 = (un)substituted C1-C20 alkyl, (un)substituted C6-30 aryl or (un)substituted C3-C30 heteroaryl group; L1 and L2 = single bond, (un)substituted C6-C30 arylene, or (un)substituted C3-C30 heteroarylene group). Further, (R2 – R9 = H, D, halogen, cyano, carboxy, nitro, hydroxyl, (un)substituted C1-C20 alkyl, (un)substituted C3-C30 cycloalkyl, (un)substituted C3-C30 cycloalkenyl group, (un)substituted C3-C7 heterocycloalkyl, (un)substituted C6-C30 aryl, (un)substituted C3-C30 heteroaryl; or adjacent ones of R2 to R9 may be connected to each other to form one or more rings, the premise is that at least one pair of R2 and R3, R3 and R4, R4 and R5, R5 and R6, R6 and R7, R7 and R8, and R8 and R9 may be connected to each other to form one or more rings, wherein the ring has 1 to 5 single rings) was prepared The organic electroluminescent device of the present invention has excellent luminous efficiency and lifetime. The experimental process involved the reaction of 7-Bromo-2-phenylbenzo[d]oxazole(cas: 1268137-13-8).Safety of 7-Bromo-2-phenylbenzo[d]oxazole

The Article related to oxazolophenanthridine derivative preparation light emitting host material oled, imidazophenanthridine derivative preparation light emitting host material oled, carbazole derivative preparation light emitting host material oled and other aspects.Safety of 7-Bromo-2-phenylbenzo[d]oxazole

Referemce:
Benzoxazole – Wikipedia,
Benzoxazole | C7H5NO – PubChem