The functionalization of internal olefins has been a challenging task in organic synthesis. Efficient CuII-catalyzed trifluoromethylation of internal olefins, that is, α-oxoketene dithioacetals, has been achieved by using Cu(OH)2 as a catalyst and TMSCF3 as a trifluoromethylating reagent. The push-pull effect from the polarized olefin substrates facilitates the internal olefinic C-H trifluorome...

This paper describes structural elucidation of a layered conductive metal-organic framework (MOF) material Cu3(C6O6)2 by microcrystal electron diffraction with sub-angstrom precision. insight enables the first identification an unusual π-stacking interaction in MOF characterized extremely short (2.73 Å) close packing ligand arising from pancake bonding and ordered water clusters within pores. B...

The pyridylalkylamine copper complex [Cu(tmpa)(L)]2+ has previously been proposed to reduce dioxygen via a dinuclear resting state, based on experiments in organic aprotic solvents using chemical reductants. Conversely, mononuclear reaction mechanism was observed under electrochemical conditions neutral aqueous solution. We have investigated the oxygen and hydrogen peroxide reduction catalysed ...

Three new ionic salts containing [M(CN)8]4? (M = MoIV and WIV) were prepared using large complex cations based on a non-conventional motif built with the tris(2-aminoethyl)amine (noted hereafter tren) ligand, [{M’(tren)}3(?-tren)]6+ (M’ CuII ZnII). The crystal structures of three compounds show that atomic arrangement is formed by relatively isolated anionic cationic entities. irradiated blue l...

Metal-catalyzed C–N cross-coupling generally forms C−N bonds by reductive elimination from metal complexes bearing covalent C- and N-ligands. We have identified a Cu-mediated that uses dative N-ligand in the bond-forming event, which, contrast to conventional methods, generates reactive cationic products. Mechanistic studies suggest process operates via transmetalation of an aryl organoboron Cu...

لایه کَندگی کربن‌­چگالی‌­بالا یکی از گزینه‌­های امیدبخش در افروزش گرماهسته­‌ای هدف­‌های گداخت محصورشدگی لختی است. به منظور کاهش ناپایداری‌­های هیدرودینامیکی و هم‌­چنین حفظ سوخت پدیده پیش‌­گرمایش، طراحی دوتایی با بیرونی کربن­‌چگالی­‌بالا که اخیراً توسط محققین مورد توجه قرار گرفته است، استفاده شده این‌­رو این پژوهش، بهینه‌­سازی یک هدف کروی دلخواه تک پلی‌­استایرن را کد MULTI-IFE بررسی دادیم. هدف، تح...