4′-acetylbenzo-15-crown-5thiosemicarbazone was synthesized with high yield (94%)via the reaction of 4′-acetylbenzo-15-crown-5 and thiosemicarbazide under the microwave irradiation and hydrochloric acid as the cataly...4′-acetylbenzo-15-crown-5thiosemicarbazone was synthesized with high yield (94%)via the reaction of 4′-acetylbenzo-15-crown-5 and thiosemicarbazide under the microwave irradiation and hydrochloric acid as the catalyst.Its structure was determined by single-crystal X-ray diffraction.The crystal belongs to triclinic crystal system,P-1 space group,a=9.5470(19)?,b=13.637(3)?,c=16.029(3)?,α=75.33(3)°,β=83.62(3)°,γ=70.99(3)°,V=1097.8(7)s assembled into supramolecule structure by intermolecular hydrogen bonds.展开更多
A novel Pd(II) Benzo-15-crown-5 complex [Na(B15CS)]_2[Pd(SCN)_4] has been isolated and characterized by IR and X-ray diffraction analysis. The crystal structure belongs to monoclinic, space group P2_1,/n with cell dim...A novel Pd(II) Benzo-15-crown-5 complex [Na(B15CS)]_2[Pd(SCN)_4] has been isolated and characterized by IR and X-ray diffraction analysis. The crystal structure belongs to monoclinic, space group P2_1,/n with cell dimensions, a = l.0164(6), b = l.3743(3), c = l.4987(7) nm, β = 95.248(6) °, V = 2.0847 'nm_3, Z = 2, F(000) = 944, R = 0.053, Rw = 0.072. The compound consists of two [Na(B15CS)]+ complex canons and a [Pd(SCN)4_]^(2-) complex anion. Each sodium ion is coordinated by five crown ether oxygen atoms and one N atom from the SCN group of [Pd(SCN)_4]^(2-) to form stable neutral complex.展开更多
Six new solid complexes of macrocyclic polyether ligand 4′-bromo-5′-nitrobenzo-15-crown-5(L)with Uivalent rare earth nitrates having composition of RE(NO_3)_3·L·mCH_3CN·nH_2O(RE=L_a--Nd,m=n=0, RE=Sm,B...Six new solid complexes of macrocyclic polyether ligand 4′-bromo-5′-nitrobenzo-15-crown-5(L)with Uivalent rare earth nitrates having composition of RE(NO_3)_3·L·mCH_3CN·nH_2O(RE=L_a--Nd,m=n=0, RE=Sm,Bu,m=0.1,n=1,4)have been synthesized in acetonitrile or acetone.All the isolated complexes have been char- acterized by elementary analysis,IR and UV spectra,differential thermal and thermogravimetric analysis,X-ray powder diffraction analysis,molar conductance and measurementa of solubility in some general solventa.It shows that coordination number of the rare earth cation in the complexes of La,Ce,Pr and Nd nitrate is eleven.展开更多
以丙酸和硝基苯为混合溶剂,苯甲醛、对羟基苯甲醛和吡咯为原料合成了5-对羟基苯基-10,15,20-三苯基卟啉(HPTPP).然后以HPTPP和环氧氯丙烷为原料,在NaOH催化条件下合成了5-[4-(2,3-环氧丙氧基)苯基]-10,15,20-三苯基卟啉(EPPTPP).利用傅...以丙酸和硝基苯为混合溶剂,苯甲醛、对羟基苯甲醛和吡咯为原料合成了5-对羟基苯基-10,15,20-三苯基卟啉(HPTPP).然后以HPTPP和环氧氯丙烷为原料,在NaOH催化条件下合成了5-[4-(2,3-环氧丙氧基)苯基]-10,15,20-三苯基卟啉(EPPTPP).利用傅里叶变换红外光谱仪(FTIR)、核磁共振波谱仪(NMR)、紫外可见分光光度计(UV-Vis)和荧光分光光度计分别对HPTPP和EPPTPP的化学结构和光学性质进行了表征与测试.结果表明:FTIR谱图中,1 347cm-1和917cm-1处为EPPTPP卟啉环中C N键伸缩振动吸收峰和环氧化物环的(C—OC键)不对称伸缩振动吸收峰.EPPTPP的1 H NMR谱图中,在δ2.94~4.56内5个位移峰峰面积比为1∶1∶1∶1∶1,与EPPTPP中环氧基团的不同氢原子数比完全一致.UV-Vis谱图中,具有与卟啉结构相符合的吸收峰,表明成功合成了EPPTPP.通过荧光光谱分析了HPTPP和EPPTPP的荧光性质,并计算得到了二者的荧光量子产率分别为0.140和0.143.展开更多
文摘4′-acetylbenzo-15-crown-5thiosemicarbazone was synthesized with high yield (94%)via the reaction of 4′-acetylbenzo-15-crown-5 and thiosemicarbazide under the microwave irradiation and hydrochloric acid as the catalyst.Its structure was determined by single-crystal X-ray diffraction.The crystal belongs to triclinic crystal system,P-1 space group,a=9.5470(19)?,b=13.637(3)?,c=16.029(3)?,α=75.33(3)°,β=83.62(3)°,γ=70.99(3)°,V=1097.8(7)s assembled into supramolecule structure by intermolecular hydrogen bonds.
文摘A novel Pd(II) Benzo-15-crown-5 complex [Na(B15CS)]_2[Pd(SCN)_4] has been isolated and characterized by IR and X-ray diffraction analysis. The crystal structure belongs to monoclinic, space group P2_1,/n with cell dimensions, a = l.0164(6), b = l.3743(3), c = l.4987(7) nm, β = 95.248(6) °, V = 2.0847 'nm_3, Z = 2, F(000) = 944, R = 0.053, Rw = 0.072. The compound consists of two [Na(B15CS)]+ complex canons and a [Pd(SCN)4_]^(2-) complex anion. Each sodium ion is coordinated by five crown ether oxygen atoms and one N atom from the SCN group of [Pd(SCN)_4]^(2-) to form stable neutral complex.
文摘Six new solid complexes of macrocyclic polyether ligand 4′-bromo-5′-nitrobenzo-15-crown-5(L)with Uivalent rare earth nitrates having composition of RE(NO_3)_3·L·mCH_3CN·nH_2O(RE=L_a--Nd,m=n=0, RE=Sm,Bu,m=0.1,n=1,4)have been synthesized in acetonitrile or acetone.All the isolated complexes have been char- acterized by elementary analysis,IR and UV spectra,differential thermal and thermogravimetric analysis,X-ray powder diffraction analysis,molar conductance and measurementa of solubility in some general solventa.It shows that coordination number of the rare earth cation in the complexes of La,Ce,Pr and Nd nitrate is eleven.
文摘以丙酸和硝基苯为混合溶剂,苯甲醛、对羟基苯甲醛和吡咯为原料合成了5-对羟基苯基-10,15,20-三苯基卟啉(HPTPP).然后以HPTPP和环氧氯丙烷为原料,在NaOH催化条件下合成了5-[4-(2,3-环氧丙氧基)苯基]-10,15,20-三苯基卟啉(EPPTPP).利用傅里叶变换红外光谱仪(FTIR)、核磁共振波谱仪(NMR)、紫外可见分光光度计(UV-Vis)和荧光分光光度计分别对HPTPP和EPPTPP的化学结构和光学性质进行了表征与测试.结果表明:FTIR谱图中,1 347cm-1和917cm-1处为EPPTPP卟啉环中C N键伸缩振动吸收峰和环氧化物环的(C—OC键)不对称伸缩振动吸收峰.EPPTPP的1 H NMR谱图中,在δ2.94~4.56内5个位移峰峰面积比为1∶1∶1∶1∶1,与EPPTPP中环氧基团的不同氢原子数比完全一致.UV-Vis谱图中,具有与卟啉结构相符合的吸收峰,表明成功合成了EPPTPP.通过荧光光谱分析了HPTPP和EPPTPP的荧光性质,并计算得到了二者的荧光量子产率分别为0.140和0.143.