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 new method of synthesis of 2 methyl 1 benzyl benzimidazole starting from 2 methyl benzimdazole and benzyl bromide was reported with KF Al 2O 3 as catlyst and DMF as solution.The influence of some reaction condition ...A new method of synthesis of 2 methyl 1 benzyl benzimidazole starting from 2 methyl benzimdazole and benzyl bromide was reported with KF Al 2O 3 as catlyst and DMF as solution.The influence of some reaction condition on yield was also tested,and the optimum conditions were obtained,the molecular ratio of catlyst and 2 methyl benzimdazole and benzyl bromide 1∶1∶1 05,the reaction temperature 20-25,and the yield 70 8%.展开更多
The synthesis of an new photochromical compound,1,3,3 trimethyl 6′ (1 piperidinyl) spiro[2h indole 2,3′ [3H]pyridobenzoxazine (SP3),and an improved way for the synthesis of 6 hydroxyquinoline were descrided.The abso...The synthesis of an new photochromical compound,1,3,3 trimethyl 6′ (1 piperidinyl) spiro[2h indole 2,3′ [3H]pyridobenzoxazine (SP3),and an improved way for the synthesis of 6 hydroxyquinoline were descrided.The absorption spectrum of the colored metastable form SP3 shows prominent absorption peak at 560nm at 60℃?展开更多
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 new method of synthesis of 2 methyl 1 benzyl benzimidazole starting from 2 methyl benzimdazole and benzyl bromide was reported with KF Al 2O 3 as catlyst and DMF as solution.The influence of some reaction condition on yield was also tested,and the optimum conditions were obtained,the molecular ratio of catlyst and 2 methyl benzimdazole and benzyl bromide 1∶1∶1 05,the reaction temperature 20-25,and the yield 70 8%.
基金supported by the National Natural Science Foundation of China (21173168, 21073142, 21127004)Science Research Projects of Educational Department of Shaanxi Province,China (2010JK882,2010JQ2007,11JS110, 11JK0578)~~
文摘The synthesis of an new photochromical compound,1,3,3 trimethyl 6′ (1 piperidinyl) spiro[2h indole 2,3′ [3H]pyridobenzoxazine (SP3),and an improved way for the synthesis of 6 hydroxyquinoline were descrided.The absorption spectrum of the colored metastable form SP3 shows prominent absorption peak at 560nm at 60℃?
