水杨醛缩乙醇胺双氧钒席夫碱配合物的合成、晶体结构及热分解研究(英文)

A new complex bis[(N-salicylidene-N’-ami noethanol)abstract:dioxovandium (Ⅴ)abstract:,[V (Ⅴ)abstract:(Ⅴ)abstract:(SALAE)abstract:]2 ,was synthesized by the reaction of salicylaldehyde and aminoethanol with va nadyl sulfate.It was characterized by elemental analysis,IR and X-ray single cr ystal diffraction analysis.The crystal of the title complex(C 18 H 20 N 2 O 8 V 2 ,M r =494.24)abstract:be-longs to monoclinic,space group P2 1 /c with the following crystallographic parameters:a=1.7966(6)abstract:nm,b=0.7587(3)abstract:n m,c=2.1539(7)abstract:nm,β =92.551(6)abstract:°,V=2.9329(17)abstract:nm 3 ,Z=6,D c =1.679g · cm -3 ,μ (MoK α )abstract:=1.006mm -1 ,F(000)abstract:=1512,and final R 1 =0.0563,wR 2 =0.1243for observed reflections2861(I>2 σ (I)abstract:)abstract:.The complex is a bis( μ -oxo)abstract:-bridged V schiff base dimer formed by two dioxovandium units,V is six-coordinated and forms a distorted octahedral structure.The thermal d ecomposition for the complex was studied by TG-DTG curves and the apparent acti vation energy was obtained by the Kissinger formula.CCDC:211147.

5-溴水杨醛缩乙醇胺Schiff碱Cu(Ⅱ)配合物的合成和晶体结构

The title complex Cu(L)2 [HL=N-(5-bromosalicylidene)-2-aminoethanol] was synthesized by the reaction of Cu(CH3COO)2·H2O with N-(5-bromosalicylidene)-2-aminoethanol in the ethanol. It was characterized by ele- mental analysis, IR and X-ray single crystal diffraction analysis. The crystal of the title complex [Cu(C9H9BrNO2)2] belongs tomonoclinic, space group P21/ n with a=1.319 1(5)nm, b=0.444 58(16)nm, c=1.656 7(6)nm, β=91.226(5)°, V=0.97146(6) nm3, Z=2, Dc=1.879 Mg·m-3, μ=5.264 mm-1, F(000)=542, and final R1=0.0456, wR2=0.0970. The complex comprises a four-coordinated copper! center, with an N2O2 planar coordination environment. The molecules are connected by hydrogen bonds to form two-dimensional layered structure. CCDC: 274180.

3,5-二碘水杨醛缩乙醇胺的晶体结构及抑菌活性

以水杨醛为原料,经碘代反应合成了3,5-二碘水杨醛,在室温下与乙醇胺作用合成3,5-二碘水杨醛缩乙醇胺.利用核磁共振波谱、红外光谱对标题化合物进行了表征,用单晶X射线法测定了标题化合物的晶体结构.该化合物为单斜晶系,空间群为P21/c,晶体学参数:a=1.602 6(5)nm,b=0.869 3(1)nm,c=0.840 6(3)nm;β=102.001 0(10)°;F(000)=768,Z=4,V=1.145(6)nm3,Dc=2.418 g.cm-3,Mr=416.97.最终结构偏离因子R=0.037 9,Rw=0.062 1;S=1.052.最终差值电子密度的最大值和最小值分别为854 nm-3和-646 nm-3.运用MTT法对标题化合物的抑菌活性进行了研究,实验结果显示标题化合物对6种革兰氏菌(B.subtilis,S.aureus,S.faecalis,P.aeruginosa,E.coli和E.cloacae)的最小抑制浓度分别为6.25,12.5,25,12.5,6.25,12.5μg.ml-1.

水杨醛缩乙醇胺及8-羟基喹啉氧钒三元配合物的合成、晶体结构及热分解研究(英文)

A new oxovanadium(V) ternary complex, VO(L)(hq) [H2L: N-salicylidene-N′-aminoethanol; hq: 8-hydroxy quinoline], was synthesized by the reaction of salicyaldehyde, aminoethanol and 8-hydroxy quinoline with vanadyl sulfate. It was characterized by elemental analysis, IR and X-ray diffraction analysis. The crystal of the title complex (C18H15N2O4V, Mr=374.26) belongs to monoclinic, space group P21/n with the following crystallographic parameters: a=1.543 5(5) nm, b=0.662 0(2) nm, c=1.648 9(6) nm, β=105.043(7)°, V=1.627 3(10) nm3, Z=4, Dc=1.528 g·cm-3, μ(MoKα)=0.636 mm-1, F(000)=768, and final R1=0.056 8, wR2=0.106 7 for observed reflections 957 (I>2σ(I)). The complex is six-coordinate in distorted octahedral geometry. The thermal decomposition for the complex was studied by TG-DTG curves and the apparent activation energy was obtained by the Kissinger formula. CCDC: 218497.

5-氯水杨醛缩乙醇胺合铜(Ⅱ)的微波直接合成、晶体结构及抑菌活性

以5-氯水杨醛、乙醇胺和氯化铜为原料,在微波作用下合成了5-氯水杨醛缩乙醇胺合铜(Ⅱ)配合物。利用红外光谱、元素分析和单晶X射线衍射方法对目标化合物进行了表征,标题配合物为单斜晶系,P21/n空间群。晶胞参数:a=0.49793(6)nm,b=1.7037(2)nm,c=1.07120(12)nm,β=94.579(3)°,F(000)=470,Z=2,V=0.905(8)nm3,Dc=1.689 mg/m3,R[I>2σ(I)],R1=0.0624,ωR2=0.1555。配合物分子中,2种Schiff碱配体中的2个O原子和2个N原子参与配位,Cu(Ⅱ)处于四边形配位中心。用MTT法测得标题配合物对6种革兰氏细菌(B.subtilis、S.aureus、S.faecalis、P.aeruginosa、E.coli和E.cloacae)的最小抑制浓度分别为12.25、25、12.5、12.5、6.25和6.25 mg/L。