The complex [Cd(tren)(meim)](ClO4)2 was synthesized and characterized by elemental analysis, IR and X-ray single-crystal diffraction. The compound crystallizes in monoclinic system, space group P21/m with a=0.786 8(2)...The complex [Cd(tren)(meim)](ClO4)2 was synthesized and characterized by elemental analysis, IR and X-ray single-crystal diffraction. The compound crystallizes in monoclinic system, space group P21/m with a=0.786 8(2) nm, b=0.834 2(2) nm, c=1.496 2(4) nm, Mr=538.64, Z=2, F(000)=542, Dc=1.822 g·cm-3, T=298(2) K, μ=1.435 mm-1 and λ=0.071 073 nm. The structure was refined to R=0.045 8 and wR=0.123 1 for 1 489 observed reflections with I>2σ(I). The complex was valued for its antimicrobial activity against bacterial strands using the agar diffusion method. It was found to be active against the four test bacterial organisms. CCDC: 600198.展开更多
The dinuclear complexes [Zn（MIMHA）]2（MIMHAH=N-[（1-methylimidazole-2-yl）methyl]-β-alanine） was prepared and characterized by single-crystal X-ray analysis.Crystal data:monlclineic,space group P21/c,a=8.792（2）,...The dinuclear complexes [Zn（MIMHA）]2（MIMHAH=N-[（1-methylimidazole-2-yl）methyl]-β-alanine） was prepared and characterized by single-crystal X-ray analysis.Crystal data:monlclineic,space group P21/c,a=8.792（2）,b=9.267（2）,c=16.942（2）?,β=99.5（2）,V=1351.6（2）?3,and Z=2.The zinc（Ⅱ） atom was co-ordinated in a tetrahedral geometry（N2Cl2）,which positions were occupied by one nitrogen atom and one oxygen atom from the ligand and two chlorine atoms.展开更多
The novel complexes n(ClO 4) n (MIMHA=N-[(1-methylimidazole-2-yl)methyl]-β-alanine)were prepared and characterized by Single-crystal X-ray analysis.Crystal data:monoclinic,Space group C2/c,a=24.68(2),b=7.601(3),c=14....The novel complexes n(ClO 4) n (MIMHA=N-[(1-methylimidazole-2-yl)methyl]-β-alanine)were prepared and characterized by Single-crystal X-ray analysis.Crystal data:monoclinic,Space group C2/c,a=24.68(2),b=7.601(3),c=14.137(10)*!,β=102.8(1),V=2586(3)*! 3,Z=8. The copper(Ⅱ) atoms has a planae-square (N 2O 2) geometry,which positions are occupied by two nitrogen atoms and one oxygen atom from the Schiff base ligand and the other carboxy oxygen atom from the adjacent ligand.The carboxylate groups acted in the bidentate syn-anti mode and bridges each pair of adjacent copper(Ⅱ) atoms( d Cu...Cu Ca 4.8*!) via the two equatorial positions,giving rise to one-dimensional (Cu-O-C-O-Cu) n skeletons.展开更多
A compound ethyl(5S,6R)-2-(4-methylphenyl)-6-[(1R)-tert-butyldimethylsilyloxyethy]-penem-3-carboxylate was synthesized through displacement,acylation and Wittig cyclization reaction of optically active material(3R,4R)...A compound ethyl(5S,6R)-2-(4-methylphenyl)-6-[(1R)-tert-butyldimethylsilyloxyethy]-penem-3-carboxylate was synthesized through displacement,acylation and Wittig cyclization reaction of optically active material(3R,4R)-3-[(1R)-tert-butyldimethylsilyloxyethyl]-4-acetoxy-2-azetidi-none(4AA)upon thionocarboxlic acid.The intermediates and the target product were characterized by 1HNMR,IR,elementary analysis and MS.展开更多
文摘The complex [Cd(tren)(meim)](ClO4)2 was synthesized and characterized by elemental analysis, IR and X-ray single-crystal diffraction. The compound crystallizes in monoclinic system, space group P21/m with a=0.786 8(2) nm, b=0.834 2(2) nm, c=1.496 2(4) nm, Mr=538.64, Z=2, F(000)=542, Dc=1.822 g·cm-3, T=298(2) K, μ=1.435 mm-1 and λ=0.071 073 nm. The structure was refined to R=0.045 8 and wR=0.123 1 for 1 489 observed reflections with I>2σ(I). The complex was valued for its antimicrobial activity against bacterial strands using the agar diffusion method. It was found to be active against the four test bacterial organisms. CCDC: 600198.
文摘The dinuclear complexes [Zn（MIMHA）]2（MIMHAH=N-[（1-methylimidazole-2-yl）methyl]-β-alanine） was prepared and characterized by single-crystal X-ray analysis.Crystal data:monlclineic,space group P21/c,a=8.792（2）,b=9.267（2）,c=16.942（2）?,β=99.5（2）,V=1351.6（2）?3,and Z=2.The zinc（Ⅱ） atom was co-ordinated in a tetrahedral geometry（N2Cl2）,which positions were occupied by one nitrogen atom and one oxygen atom from the ligand and two chlorine atoms.
文摘The novel complexes n(ClO 4) n (MIMHA=N-[(1-methylimidazole-2-yl)methyl]-β-alanine)were prepared and characterized by Single-crystal X-ray analysis.Crystal data:monoclinic,Space group C2/c,a=24.68(2),b=7.601(3),c=14.137(10)*!,β=102.8(1),V=2586(3)*! 3,Z=8. The copper(Ⅱ) atoms has a planae-square (N 2O 2) geometry,which positions are occupied by two nitrogen atoms and one oxygen atom from the Schiff base ligand and the other carboxy oxygen atom from the adjacent ligand.The carboxylate groups acted in the bidentate syn-anti mode and bridges each pair of adjacent copper(Ⅱ) atoms( d Cu...Cu Ca 4.8*!) via the two equatorial positions,giving rise to one-dimensional (Cu-O-C-O-Cu) n skeletons.
文摘A compound ethyl(5S,6R)-2-(4-methylphenyl)-6-[(1R)-tert-butyldimethylsilyloxyethy]-penem-3-carboxylate was synthesized through displacement,acylation and Wittig cyclization reaction of optically active material(3R,4R)-3-[(1R)-tert-butyldimethylsilyloxyethyl]-4-acetoxy-2-azetidi-none(4AA)upon thionocarboxlic acid.The intermediates and the target product were characterized by 1HNMR,IR,elementary analysis and MS.
