10229-38-6Relevant academic research and scientific papers
Catalytic, atom-economical radical arylation of epoxides
Gansaeuer, Andreas,Behlendorf, Maike,Von Laufenberg, Daniel,Fleckhaus, Andre,Kube, Christian,Sadasivam, Dhandapani V.,Flowers II, Robert A.
supporting information; experimental part, p. 4739 - 4742 (2012/06/30)
A slow electron waltz: Catalysis in single-electron steps with radicals as intermediates is essential for an atom-economical arylation of epoxides with a proton-coupled electron transfer as a key step. Stabilization of the catalyst is essential for low catalyst loading, as demonstrated by reaction-progress kinetic analysis, cyclic voltammetry, and calculations. Copyright
Fine tuning of the photophysical and electroluminescent properties of DCM-type dyes by changing the structure of the electron-donating group
Yao, Yi-Shan,Zhou, Qian-Xiong,Wang, Xue-Song,Wang, Yue,Zhang, Bao-Wen
, p. 3512 - 3520 (2008/12/20)
Using 2H-indene-1,3-dione as an electron-withdrawing group and aromatic amines of different structures as electron-donating groups, four new DCM-type dyes, IN-1, IN-2, IN-3, and IN-4, were designed and synthesized for application in organic light-emitting diodes (OLEDs) as red light-emitting materials. IN-2 exhibits a red shift in fluorescence but a blue shift in absorption with respect to IN-1. Similarly, IN-4 exhibits a red shift in fluorescence but a blue shift in absorption with respect to IN-3. These unique photophysical properties were utilized to optimize the electroluminescence color purity and efficiency of these red emitters in OLEDs. In EL devices with the configuration of ITO/NPB (60 nm)/Alq3 (or Gaq3): red dopant (2.0 wt%) (7 nm)/BCP (12 nm)/Alq3 (45 nm)/LiF (0.3 nm)/Al (300 nm), IN-3 in Alq3 and IN-1 in Gaq3 show CIE coordinates of (0.64, 0.36) and (0.65, 0.34), and current efficiencies of 3.24 cd A-1 and 3.02 cd A -1, respectively, much better than the other guest/host combinations. This can be ascribed to the good spectrum overlap either between IN-3 and Alq3 or between IN-1 and Gaq3, indicating that the absorption spectrum has the same importance as the fluorescence spectrum in the improvement of color purity of red emitters. The Royal Society of Chemistry 2006.
Prenylation of Aromatic Amines and Nitrogen-containing Aromatic Heterocycles by Prenyl Diisopropyl Phosphate
Araki, Shuki,Manabe, Shin-ichi,Butsugan, Yasuo
, p. 1433 - 1434 (2007/10/02)
Lewis-acid catalyzed prenylation of aromatic amines with prenyl diisopropyl phosphate gave N-prenylated amines, whereas nitrogen containing aromatic heterocycles gave nucleus prenylated products.
