NOVEL ORGANIC HETEROCYCLIC COMPOUND AND LIGHT-EMITTING DEVICE COMPRISING SAME
申请人:SFC CO., LTD.
公开号:US20180072753A1
公开(公告)日:2018-03-15
The present invention relates to an organic light-emitting compound represented by [Chemical Formula A] and an organic light-emitting device. In Chemical Formula, A, X, Y, Z, and the substituents R
1
to R
8
, and R
11
to R
20
are as defined in the specification.
Ambient temperatureruthenium‐catalyzedC−H arylations were accomplished by visiblelight without additional photocatalysts. The robustness of the ruthenium‐catalyzedC−H functionalization protocol was reflected by a broad range of sensitive functional groups and synthetically useful pyrazoles, triazoles and sensitive nucleosides and nucleotides, as well as multifold C−H functionalizations. Biscyclometalated
Teaching Old Compounds New Tricks: DDQ-Photocatalyzed C−H Amination of Arenes with Carbamates, Urea, and N-Heterocycles
作者:Somnath Das、Palani Natarajan、Burkhard König
DOI:10.1002/chem.201705442
日期:2017.12.22
The C-H amination of benzene derivatives was achieved using DDQ as photocatalyst and BocNH2 as the amine source under aerobic conditions and visible light irradiation. Electron-deficient and electron-rich benzenes react as substrates with moderate to good product yields. The amine scope of the reaction comprises Boc-amine, carbamates, pyrazoles, sulfonimides and urea. Preliminary mechanistic investigations
A trifluoroacetic acid-facilitated ortho amination of alkoxyl arene has been established via anodic oxidation in an undivided cell. In the absence of any additional metal or oxidant reagents, a series of aromatic and heteroaromatic amine derivatives have been synthesized in good to excellent yields. Our findings reveal the possibility of achieving complete ortho-selective amination of a simple arene
Photo-Induced <i>ortho</i>-C–H Borylation of Arenes through In Situ Generation of Rhodium(II) Ate Complexes
作者:Jin Tanaka、Yuki Nagashima、Antônio Junio Araujo Dias、Ken Tanaka
DOI:10.1021/jacs.1c05859
日期:2021.8.4
Photoinduced in situ “oxidation” of half-sandwich metal complexes to “high-valent” cationic metal complexes has been used to accelerate catalytic reactions. Here, we report the unprecedented photoinduced in situ “reduction” of half-sandwich metal [Rh(III)] complexes to “low-valent” anionic metal [Rh(II)] ate complexes, which facilitate ligand exchange with electron-deficient elements (diboron). This