نتایج جستجو برای: unsymmetrical anhydrides
تعداد نتایج: 3777 فیلتر نتایج به سال:
A transition-metal-free direct oxidative trifluoromethylation of unsymmetrical biaryls has been achieved by the simple combination of trifluoromethanesulfinate and phenyliodine bis(trifluoroacetate). The trifluoromethylation is selectively observed in the electron-rich arenes.
A series of symmetrical and unsymmetrical benzyl thioethers have been synthesised using a onepot reaction from benzyl halides and thiourea. This procedure avoids the isolation or handling of malodorous thiols and generates high yields of benzyl thioethers in excellent purity.
In an environmentally friendly protocol, InI was used as a reducing agent for the Se-Se bond to prepare unsymmetrical diorganyl selenides with very short reaction times, mild conditions and excellent yields using (bmim)BF(4) as a recyclable solvent.
Orienting electron transport to suppress charge recombination is attractive for efficient photocatalysis but remains challenging. Herein, we demonstrate the synthesis of crystalline linear conjugated polyimides via condensation carboxylic anhydrides and amine monomers photocatalytic reduction CO2. Oriented was achieved using integrated with electronic push-pull units. Directional intramolecular...
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