Three inexpensive and air-/moisture-stable Salen-Cu complexes 1-3 were evaluated to be a novel class of catalysts for the N-arylation of imidazoles with aryl halides. A variety of aryl iodides, bromides underwent the ...Three inexpensive and air-/moisture-stable Salen-Cu complexes 1-3 were evaluated to be a novel class of catalysts for the N-arylation of imidazoles with aryl halides. A variety of aryl iodides, bromides underwent the coupling with imida-zoles, promoted by the complex 3, in moderate to excellent yields without the protection by an inert gas.展开更多
Divinyl\|2,2\|ethylenebis(nitrilomethylisyne)diphenol(4,4’\|divinylsalen)(1) was synthesized, which polymerized with styrene(mole ratio 1∶10) to polymer bound salen (2). Compound (2) forms complex with copper ion to...Divinyl\|2,2\|ethylenebis(nitrilomethylisyne)diphenol(4,4’\|divinylsalen)(1) was synthesized, which polymerized with styrene(mole ratio 1∶10) to polymer bound salen (2). Compound (2) forms complex with copper ion to give compound (3), the catalytic activity of which for the oxidation of propanethiol was examined.The chemical structures of compounds relating to salen were identified by IR spectra as well as elemental analysis. The composition of the oxidation product was also identified by HPLC, UV, IR and MS.展开更多
文摘Three inexpensive and air-/moisture-stable Salen-Cu complexes 1-3 were evaluated to be a novel class of catalysts for the N-arylation of imidazoles with aryl halides. A variety of aryl iodides, bromides underwent the coupling with imida-zoles, promoted by the complex 3, in moderate to excellent yields without the protection by an inert gas.
文摘Divinyl\|2,2\|ethylenebis(nitrilomethylisyne)diphenol(4,4’\|divinylsalen)(1) was synthesized, which polymerized with styrene(mole ratio 1∶10) to polymer bound salen (2). Compound (2) forms complex with copper ion to give compound (3), the catalytic activity of which for the oxidation of propanethiol was examined.The chemical structures of compounds relating to salen were identified by IR spectra as well as elemental analysis. The composition of the oxidation product was also identified by HPLC, UV, IR and MS.