An umpolung strategy for rapid access to thermally activated delayed fluorescence (TADF) materials based on phenazine
Herein, Ag(I)-promoted regioselective intramolecular radical nucleophilic addition/rearrangement of 2-aryl diazaboroles has been accomplished for the first time to construct phenazine structures. This protocol is an umpolung strategy based on the classical electrophilic mechanism, and therefore, a reversed regioselectivity was observed, which provides an opportunity to prepare sterically hindered phenazines. The resulting thermally activated delayed fluorescence (TADF) materials based on phenazine exhibit emission bands from green to red with high quantum yields and moderate fluorescence lifetimes as solid films.
Synthesis of 1-substituted phenazines as novel antichlamydial agents
A novel series of 1-substituted phenazines 4a-4l were designed and synthesized via Palladium-catalyzed reactions from 1-phenazine trifluoromethanesulfonate. These phenazines showed antichlamydial activity with IC50 values from 1 to 10 μM. Among them, compounds 4c and 4i exhibited the best antichlamydial activity with IC50 values from 2.06 to 2.74 μM without apparent cytotoxicity to host cells.
PHENAZINE-BASED COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING THE SAME
The present invention refers to including and compound phenacy relates to organic light emitting device. (by machine translation)
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Paragraph 0073-0074; 0117-0118; 0154-0155
(2016/10/08)
Rh(NHC)-catalyzed direct and selective arylation of quinolines at the 8-position
A new catalytic protocol for the regioselective direct arylation of quinoline derivatives at the 8-position has been developed. The reaction is catalyzed by a Rh(NHC) system, and the choice of the NHC ligand was most important for achieving high reactivit
Kwak, Jaesung,Kim, Min,Chang, Sukbok
supporting information; experimental part
p. 3780 - 3783
(2011/05/05)
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