Novel pyridine-containing macrocyclic compounds, such as 6,12,19,25-tetramethyl-7,11,20,24-dinitrilo-dibenzo [b,m]1,4,12,15-tetra-azacyclodoc osine （TMCD）, were synthesized and used as electron transport layer in or...Novel pyridine-containing macrocyclic compounds, such as 6,12,19,25-tetramethyl-7,11,20,24-dinitrilo-dibenzo [b,m]1,4,12,15-tetra-azacyclodoc osine （TMCD）, were synthesized and used as electron transport layer in organic electroluminescent devices. Devices with a structure of glass/indium-tin oxide/arylamine derivative/ tris（quinolinolato）aluminum（Ⅲ） （Alq）/TMCD/LiF/Al exhibited green emission from the Alq layer with external quantum efficiency of 0.84% and luminous efficiency of 1.3 lm/W. The derivatives of TMCD were synthesized and characterized as well. These compounds were also found to be useful as the electron-transporting materials in organic electroluminescent devices.展开更多
The structure of a new macrocyclic compound, clemochinenoside A obtained from Clematis chinensis was identified by NMR, FAB-MS, NOE and chemical hydrolysis.
A novel [1＋1] Schiff-base macrocyclic compound 3 has been synthesized from precursor 1, 1,3-bis（2＇- formylphenoxy）-2-propanol, and precursor 2, resorcinol-bis（4-aminophenyl）ether, via condensation and cyclizacti...A novel [1＋1] Schiff-base macrocyclic compound 3 has been synthesized from precursor 1, 1,3-bis（2＇- formylphenoxy）-2-propanol, and precursor 2, resorcinol-bis（4-aminophenyl）ether, via condensation and cyclizaction using Ba2＋ as template. The macrocycle 3 was further reduced giving saturated macrocycle 4. The structures of 3 and 4 were characterized by elemental analysis, ~H NMR, IR, and MS spectra, and their structures were determined via single crystal X-ray diffraction studies. X-ray diffraction analysis revealed that the macrocyclic compound 3 has a folded conformation, and the corresponding reduced product 4 adopts a twisted and folded conformation due to its flexible nature. ~ 2013 Bi-Xue Zhu. Published by Elsevier B.V. on behalf of Chinese Chemical Society. All rights reserved.展开更多
The structure of a new macrocyclic compound,clemochinenoside B, isolated from the root of Clematis chinensis was elucidated by means of NMR,FAB-MS,NOE and chemical hydrolysis.
Crystal structure of nickel（II） complex with a new 14 membered tetraazamacrocyclic ligand 5,12-diphenyl-7,14-dimethyl-1,4,8,11-tetraazacyclotetradecane-N’,N-diacetic acid,Ni[N<sub>4</sub>C<sub>10&...Crystal structure of nickel（II） complex with a new 14 membered tetraazamacrocyclic ligand 5,12-diphenyl-7,14-dimethyl-1,4,8,11-tetraazacyclotetradecane-N’,N-diacetic acid,Ni[N<sub>4</sub>C<sub>10</sub>（CH<sub>2</sub>COO）<sub>2</sub>（C<sub>6</sub>H<sub>5</sub>）<sub>2</sub>]·2H<sub>2</sub>O, M<sub>r</sub>= 589. 38 is reported.It crystallizes in monoclinic P2<sub>1</sub>/c space group with a=12.949（6）,b=16.373（3）,c=14.232（16）,β=98.68（6）°,V=2982.9（7）,Z=4,D<sub>c</sub>=1.312 gcm-3,μ=6.953 cm-1,F（000）=1256.0.Finally,the structure was refined to R=0.080,R<sub>w</sub>=0.065 for 2952 reflections.The central nickel ion of the complex forms an octahedron with four nitrogen atoms of the macrocycle and two oxygen atoms of the appended carboxylate groups.Two phenyl planes of the ligand are almost parallel to each other.展开更多
Tetra-Schiff base macrocyclic compound containing benzo-12-crown-4 was synthesized via condensation of 2, 6-diformyl-4-methyl-phenol with 4, 5- diaminobenzo-12C- 4 promoted by proton. The compound was characterized b...Tetra-Schiff base macrocyclic compound containing benzo-12-crown-4 was synthesized via condensation of 2, 6-diformyl-4-methyl-phenol with 4, 5- diaminobenzo-12C- 4 promoted by proton. The compound was characterized by MS, IR 1HNMR spectroscopy and elemental analysis.展开更多
The title compound 1,4,23,26,29,48-hexaaza-6,9:16,19:31,34:41,44-tetrabenzo-12, 15,37,40-tetraoxa-cyclodotetracontane-4,5,18,19,25,26,39,40-octaene 1 (C40H46N6O4) was synthe- sized by [2+2] condensation of diethylenet...The title compound 1,4,23,26,29,48-hexaaza-6,9:16,19:31,34:41,44-tetrabenzo-12, 15,37,40-tetraoxa-cyclodotetracontane-4,5,18,19,25,26,39,40-octaene 1 (C40H46N6O4) was synthe- sized by [2+2] condensation of diethylenetriamine with 4,4?diformyl-diphenoxyethane (dialdehyde) in a mixed solvent of ethanol and tetrahydrofuran. The crystal data are: Mr = 674.83, triclinic, P, a = 5.8249(1), b = 9.4114(8), c = 17.649(2) ? a = 79.310(7), b = 85.397(4), g = 78.970(8), V = 932.1(1) ?, Z = 1, Dc = 1.202 g/cm3, F(000) = 360, m(MoKa) = 0.079 mm-1, R = 0.0486 and wR = 0.1439. The title molecule has a crystallographic center symmetry. The distance between the two secondary amine nitrogen atoms is 18.890(3) ?展开更多
Two new macrocyclic compounds, [Cu2（L）2]（ClO4）4·2CH3OH （1） and [Cu（L）]（ClO4）2·2H2O （2） （L = 1,3,10,12,15,18-hexaazatetracyclodocosane） were synthesized by condensation reactions involving amine...Two new macrocyclic compounds, [Cu2（L）2]（ClO4）4·2CH3OH （1） and [Cu（L）]（ClO4）2·2H2O （2） （L = 1,3,10,12,15,18-hexaazatetracyclodocosane） were synthesized by condensation reactions involving amines and formaldehyde in the presence of copper anion. Compound 1 crystallizes in triclinic, space group Pí with a = 10.442（2）, b = 14.197（3）, c = 17.388（4）, α = 91.218（4）, β = 90.69（3）, γ = 93.756（4）o, V = 2520.4（9）3, Z = 2, F（000） = 1260, Dc = 1.589 Mg/m3, Mr = 1205.92, μ = 1.137 mm-1, λ = 0.71073, the final R = 0.0668 and wR = 0.1573 for 9703 observed reflections with I 2σ（I）. Compound 2 crystallizes in monoclinic, space group C2/c with a = 16.911（2）, b = 11.4172（15）, c = 27.059（4）, β = 107.787（2）o, V = 4974.7（12）3, Z = 8, F（000） = 2504, Dc = 1.610 Mg/m3, Mr = 602.92, μ = 1.155 mm-1, λ = 0.71073, the final R = 0.0419 and wR = 0.1131 for 4374 observed reflections with I 2σ（I）.展开更多
Constructing more stable self-assembled organic nanotubes has been one of the focuses of scientists in recent decades.Hexakis(m-phenylene ethynylene)(m-PE)benzene macrocycles can form stable tubular self-assemblies in...Constructing more stable self-assembled organic nanotubes has been one of the focuses of scientists in recent decades.Hexakis(m-phenylene ethynylene)(m-PE)benzene macrocycles can form stable tubular self-assemblies in nonpolar or weakly polar solvents through theπ-πinteraction of the main skeleton and the hydrogen bonding of the side chain amide.We covalently linked two macrocyclic units at the para position of the macrocycles using two oligo(β-alanine)linkers through an efficient synthetic route.UV-visible spectroscopy,fluorescence spectroscopy,and circular dichroism spectroscopy were employed to demonstrate that the incorporation of two peptide chains significantly enhances the stability of the self-assemblies.Meanwhile,the average open time of the ion channel formed by the macrocyclic dimer in the lipid bilayer was significantly better than that of the ion channel formed by a single macrocycle.This study shows that this strategy effectively improves the efficiency of self-assembly and the stability of its formed self-assemblies,providing a feasible strategy for constructing organic self-assembled nanotubes in highly polar solvents.展开更多
The crystal structure of copper(Ⅱ) complex with a new 14-membered tetraazamacrocyclic ligand 5,5,7,12,12,14-hexamethy1-1,4,8,11-tetraazacyclotetradecane-N'N'-diacetic acid,[CuC16N4H34(CH2COO)(CH2COOH)]·C...The crystal structure of copper(Ⅱ) complex with a new 14-membered tetraazamacrocyclic ligand 5,5,7,12,12,14-hexamethy1-1,4,8,11-tetraazacyclotetradecane-N'N'-diacetic acid,[CuC16N4H34(CH2COO)(CH2COOH)]·ClO4·0. 5HCIO4·1. 5H2O was determined. Crystallographic data: Mr = 639.22,orthorhombic, space group Pcnb with a=11.743(4),b=16.446(2),c=29.611 (4) A,Z=8,V=5726(3) A3, Dc=1.482 g·cm-3, F(000)=1344,μ=9. 64 cm-1,R=0.063,and Rw=0.067 for 2386 reflections with I≥3σ(I). The structure shows an unusual configuration in which two carboxyl groups were bonded to two neighboring nitrogen atoms of the macrocycle, N1 and N4, and six methyl substituents occur on one side of the macrocycle, while two carboxyl groups on the other side, and central copper(Ⅱ) ion forms a five-coordinated geometry.展开更多
A mixed-valence dinuclear manganese complex, [Mn ⅡMn ⅢL](ClO 4)·1/2MeOH, where L is a macrocyclic ligand derived from the cyclocondensation of sodium 2,6-diformyl-4-methylphenolate with N,N-bis(2-aminoethyl)...A mixed-valence dinuclear manganese complex, [Mn ⅡMn ⅢL](ClO 4)·1/2MeOH, where L is a macrocyclic ligand derived from the cyclocondensation of sodium 2,6-diformyl-4-methylphenolate with N,N-bis(2-aminoethyl)-2-hydroxybenzyl amine, was obtained and its structure was determined by X-ray diffraction. The orange crystal is a monoclinic system with space group P2 1/c and lattice parameters a=1.1617(4), b=1.4005(3), c=1.4641(3) nm, β=113.03(2)°, and Z=2. The crystal structure shows that each pendant-arm is bonded in a bidentate fashion to the adjacent metal atom and that both the arms are on the same side of the macrocycle. The two Mn atoms are bridged by two μ 2-phenoxy oxygen atoms of the tetra-imine macrocycle, and each Mn atom, locating in a trigonal prismatic coordination environment(N 3O 3), is six-coordinated by the two imine nitrogen atoms, one tertiary nitrogen atom and a pendant phenol moiety apart from the two oxygen atoms.展开更多
The synthesis of eight new arsamacrocyclic Polyethers was described. The structures of these compounds were characterized by elemental analysis, IR, H-1-NMR and MS.
The first reported X-ray crystal structure of a new(2:2)macrocyclic thiocarbohydrazone,effectively derived from thiocarbohydrazide and di(2-formylphenoxy)ethylene is shown.
Chirality is a fundamental property in molecules and biological systems,characterized by asymmetric configurational features.Circularly polarized luminescence(CPL)materials have gained significant attention due to the...Chirality is a fundamental property in molecules and biological systems,characterized by asymmetric configurational features.Circularly polarized luminescence(CPL)materials have gained significant attention due to their unique optical activities,with applications in 3D displays,chiral sensors,asymmetric catalysis,and more.Chiral transfer and amplification typically involve the generation of chirality in the excited state,facilitated by interactions like energy transfer,electron transfer,or chiral induction.Supramolecular self-assembly strategies,particularly macrocyclic compounds,enable chiral amplification by linking chiral and achiral luminescent units through intermolecular interactions.Macrocyclic hosts—cyclodextrins,calix[n]arenes,pillar[n]arenes,chiral cyclophanes,and cucurbit[n]urils—are especially promising due to their stable structures and adjustable cavities for vip encapsulation.These compounds induce unique photophysical properties through host–vip complexation,making them ideal for constructing chiral transfer,amplification,and CPL-active materials.This review summarizes their advancements in multicolor CPL materials,chiral sensing,induction,asymmetric catalysis,and separation,highlighting their potential in supramolecular chiral material design.The challenges and future directions of this field are also discussed,aiming to guide further research and application in supramolecular chiral systems.展开更多
Fully conjugated Schiff base macrocycle has been prepared through a simple and mild condition,a one-pot cyclization procedure of four-component without using a template.The condensation reaction of related bis（hydrox...Fully conjugated Schiff base macrocycle has been prepared through a simple and mild condition,a one-pot cyclization procedure of four-component without using a template.The condensation reaction of related bis（hydroxybenzaldehyde） with phenylenediamines to prepare a conjugated[2 ＋ 2]Schiff base macrocycle has been investigated and fluorescent[2 ＋ 2]Schiff base macrocycles with N_2O_2 binding pockets has been prepared and characterized by elemental analysis,^1H NMR,IR,fluorescent,UV-visible and MALDI mass spectroscopies.展开更多
Supramolecular polymers,which combined of the supramolecular chemistry and polymer science,are constructed from monomers together by reversible noncovalent interactions.Supramolecular polymers in aqueous solution are ...Supramolecular polymers,which combined of the supramolecular chemistry and polymer science,are constructed from monomers together by reversible noncovalent interactions.Supramolecular polymers in aqueous solution are especially important due to their superior biocompatibility and environmental adaptation,which determined they have wide applications in various areas,such as drug delivery,selfhealing,shape memory.Macrocyclic compounds,such as cyclodextrins,calixarenes,cucurbiturils and pillar[n]arenes,are the most used building blocks in the preparation of supramolecular polymers.Macrocycle-based supramolecular polymers,which introduce the host-vip interaction in the system,endow these polymers with interesting and smart physical-chemical properties.In this review,we summarized recent studies about supramolecular polymers in aqueous solution based on macrocyclic compounds.展开更多
24-Membered macrocyclic bicopper(Ⅱ) complexes wth bridging ligand imidzao-late,SCN-,N3-and H2O respectively were synthesized by condensation of diacetylpyridine with 3-oxapentane-1,5-diamine.As the model compounds of...24-Membered macrocyclic bicopper(Ⅱ) complexes wth bridging ligand imidzao-late,SCN-,N3-and H2O respectively were synthesized by condensation of diacetylpyridine with 3-oxapentane-1,5-diamine.As the model compounds of superoxide dismutase (SOD),the relationship between their SOD activities and properties of bridging ligands and redox potentials of copper(Ⅱ) were studied.展开更多
基金the Scientific Research Foundation for the Returned Overseas Chinese Scholars,State Education Ministry(No.2005383).
文摘Novel pyridine-containing macrocyclic compounds, such as 6,12,19,25-tetramethyl-7,11,20,24-dinitrilo-dibenzo [b,m]1,4,12,15-tetra-azacyclodoc osine （TMCD）, were synthesized and used as electron transport layer in organic electroluminescent devices. Devices with a structure of glass/indium-tin oxide/arylamine derivative/ tris（quinolinolato）aluminum（Ⅲ） （Alq）/TMCD/LiF/Al exhibited green emission from the Alq layer with external quantum efficiency of 0.84% and luminous efficiency of 1.3 lm/W. The derivatives of TMCD were synthesized and characterized as well. These compounds were also found to be useful as the electron-transporting materials in organic electroluminescent devices.
文摘The structure of a new macrocyclic compound, clemochinenoside A obtained from Clematis chinensis was identified by NMR, FAB-MS, NOE and chemical hydrolysis.
基金supported by the National Natural Science Foundation of China(No.21061003)he International Collaborative Project of Guizhou Province(No.[2009]700104)the Natural Science Foundation of the Guizhou Province(No.(2012)2151)
文摘A novel [1＋1] Schiff-base macrocyclic compound 3 has been synthesized from precursor 1, 1,3-bis（2＇- formylphenoxy）-2-propanol, and precursor 2, resorcinol-bis（4-aminophenyl）ether, via condensation and cyclizaction using Ba2＋ as template. The macrocycle 3 was further reduced giving saturated macrocycle 4. The structures of 3 and 4 were characterized by elemental analysis, ~H NMR, IR, and MS spectra, and their structures were determined via single crystal X-ray diffraction studies. X-ray diffraction analysis revealed that the macrocyclic compound 3 has a folded conformation, and the corresponding reduced product 4 adopts a twisted and folded conformation due to its flexible nature. ~ 2013 Bi-Xue Zhu. Published by Elsevier B.V. on behalf of Chinese Chemical Society. All rights reserved.
文摘The structure of a new macrocyclic compound,clemochinenoside B, isolated from the root of Clematis chinensis was elucidated by means of NMR,FAB-MS,NOE and chemical hydrolysis.
文摘Crystal structure of nickel（II） complex with a new 14 membered tetraazamacrocyclic ligand 5,12-diphenyl-7,14-dimethyl-1,4,8,11-tetraazacyclotetradecane-N’,N-diacetic acid,Ni[N<sub>4</sub>C<sub>10</sub>（CH<sub>2</sub>COO）<sub>2</sub>（C<sub>6</sub>H<sub>5</sub>）<sub>2</sub>]·2H<sub>2</sub>O, M<sub>r</sub>= 589. 38 is reported.It crystallizes in monoclinic P2<sub>1</sub>/c space group with a=12.949（6）,b=16.373（3）,c=14.232（16）,β=98.68（6）°,V=2982.9（7）,Z=4,D<sub>c</sub>=1.312 gcm-3,μ=6.953 cm-1,F（000）=1256.0.Finally,the structure was refined to R=0.080,R<sub>w</sub>=0.065 for 2952 reflections.The central nickel ion of the complex forms an octahedron with four nitrogen atoms of the macrocycle and two oxygen atoms of the appended carboxylate groups.Two phenyl planes of the ligand are almost parallel to each other.
文摘Tetra-Schiff base macrocyclic compound containing benzo-12-crown-4 was synthesized via condensation of 2, 6-diformyl-4-methyl-phenol with 4, 5- diaminobenzo-12C- 4 promoted by proton. The compound was characterized by MS, IR 1HNMR spectroscopy and elemental analysis.
基金The project was financially supported from the National Natural Science Foundation of China (No. 20171012)+5 种基金 and the Natural Science Foundation of Fujian province (No.E0110010)
文摘The title compound 1,4,23,26,29,48-hexaaza-6,9:16,19:31,34:41,44-tetrabenzo-12, 15,37,40-tetraoxa-cyclodotetracontane-4,5,18,19,25,26,39,40-octaene 1 (C40H46N6O4) was synthe- sized by [2+2] condensation of diethylenetriamine with 4,4?diformyl-diphenoxyethane (dialdehyde) in a mixed solvent of ethanol and tetrahydrofuran. The crystal data are: Mr = 674.83, triclinic, P, a = 5.8249(1), b = 9.4114(8), c = 17.649(2) ? a = 79.310(7), b = 85.397(4), g = 78.970(8), V = 932.1(1) ?, Z = 1, Dc = 1.202 g/cm3, F(000) = 360, m(MoKa) = 0.079 mm-1, R = 0.0486 and wR = 0.1439. The title molecule has a crystallographic center symmetry. The distance between the two secondary amine nitrogen atoms is 18.890(3) ?
文摘Two new macrocyclic compounds, [Cu2（L）2]（ClO4）4·2CH3OH （1） and [Cu（L）]（ClO4）2·2H2O （2） （L = 1,3,10,12,15,18-hexaazatetracyclodocosane） were synthesized by condensation reactions involving amines and formaldehyde in the presence of copper anion. Compound 1 crystallizes in triclinic, space group Pí with a = 10.442（2）, b = 14.197（3）, c = 17.388（4）, α = 91.218（4）, β = 90.69（3）, γ = 93.756（4）o, V = 2520.4（9）3, Z = 2, F（000） = 1260, Dc = 1.589 Mg/m3, Mr = 1205.92, μ = 1.137 mm-1, λ = 0.71073, the final R = 0.0668 and wR = 0.1573 for 9703 observed reflections with I 2σ（I）. Compound 2 crystallizes in monoclinic, space group C2/c with a = 16.911（2）, b = 11.4172（15）, c = 27.059（4）, β = 107.787（2）o, V = 4974.7（12）3, Z = 8, F（000） = 2504, Dc = 1.610 Mg/m3, Mr = 602.92, μ = 1.155 mm-1, λ = 0.71073, the final R = 0.0419 and wR = 0.1131 for 4374 observed reflections with I 2σ（I）.
基金the financial support by the National Natural Science Foundation of China(Nos.91227109 and 21778012 to Z.-L.Lu.,No.21801020 to R.Liu)Bohai University。
文摘Constructing more stable self-assembled organic nanotubes has been one of the focuses of scientists in recent decades.Hexakis(m-phenylene ethynylene)(m-PE)benzene macrocycles can form stable tubular self-assemblies in nonpolar or weakly polar solvents through theπ-πinteraction of the main skeleton and the hydrogen bonding of the side chain amide.We covalently linked two macrocyclic units at the para position of the macrocycles using two oligo(β-alanine)linkers through an efficient synthetic route.UV-visible spectroscopy,fluorescence spectroscopy,and circular dichroism spectroscopy were employed to demonstrate that the incorporation of two peptide chains significantly enhances the stability of the self-assemblies.Meanwhile,the average open time of the ion channel formed by the macrocyclic dimer in the lipid bilayer was significantly better than that of the ion channel formed by a single macrocycle.This study shows that this strategy effectively improves the efficiency of self-assembly and the stability of its formed self-assemblies,providing a feasible strategy for constructing organic self-assembled nanotubes in highly polar solvents.
文摘The crystal structure of copper(Ⅱ) complex with a new 14-membered tetraazamacrocyclic ligand 5,5,7,12,12,14-hexamethy1-1,4,8,11-tetraazacyclotetradecane-N'N'-diacetic acid,[CuC16N4H34(CH2COO)(CH2COOH)]·ClO4·0. 5HCIO4·1. 5H2O was determined. Crystallographic data: Mr = 639.22,orthorhombic, space group Pcnb with a=11.743(4),b=16.446(2),c=29.611 (4) A,Z=8,V=5726(3) A3, Dc=1.482 g·cm-3, F(000)=1344,μ=9. 64 cm-1,R=0.063,and Rw=0.067 for 2386 reflections with I≥3σ(I). The structure shows an unusual configuration in which two carboxyl groups were bonded to two neighboring nitrogen atoms of the macrocycle, N1 and N4, and six methyl substituents occur on one side of the macrocycle, while two carboxyl groups on the other side, and central copper(Ⅱ) ion forms a five-coordinated geometry.
基金the Natural Science Foundation of Shandong Province(No.Y2 0 0 2 B0 6 )
文摘A mixed-valence dinuclear manganese complex, [Mn ⅡMn ⅢL](ClO 4)·1/2MeOH, where L is a macrocyclic ligand derived from the cyclocondensation of sodium 2,6-diformyl-4-methylphenolate with N,N-bis(2-aminoethyl)-2-hydroxybenzyl amine, was obtained and its structure was determined by X-ray diffraction. The orange crystal is a monoclinic system with space group P2 1/c and lattice parameters a=1.1617(4), b=1.4005(3), c=1.4641(3) nm, β=113.03(2)°, and Z=2. The crystal structure shows that each pendant-arm is bonded in a bidentate fashion to the adjacent metal atom and that both the arms are on the same side of the macrocycle. The two Mn atoms are bridged by two μ 2-phenoxy oxygen atoms of the tetra-imine macrocycle, and each Mn atom, locating in a trigonal prismatic coordination environment(N 3O 3), is six-coordinated by the two imine nitrogen atoms, one tertiary nitrogen atom and a pendant phenol moiety apart from the two oxygen atoms.
文摘The synthesis of eight new arsamacrocyclic Polyethers was described. The structures of these compounds were characterized by elemental analysis, IR, H-1-NMR and MS.
基金the financial support from the Natural Science FoundationEduca-tion Committee Foundation of Anhui Province.
文摘The first reported X-ray crystal structure of a new(2:2)macrocyclic thiocarbohydrazone,effectively derived from thiocarbohydrazide and di(2-formylphenoxy)ethylene is shown.
基金Natural Science Foundation of Guizhou Province(No:MS[2025]284)Youth Guidance Fund of Guizhou Provincial Department of Science and Technology(No:2024–352)+1 种基金Youth Science and Technology Growth Fund of Guizhou Provincial Department of Education(No:2024–44)Science and Technology Program of Guizhou Province(KXJZ[2024]029 and CXTD[2025]035).
文摘Chirality is a fundamental property in molecules and biological systems,characterized by asymmetric configurational features.Circularly polarized luminescence(CPL)materials have gained significant attention due to their unique optical activities,with applications in 3D displays,chiral sensors,asymmetric catalysis,and more.Chiral transfer and amplification typically involve the generation of chirality in the excited state,facilitated by interactions like energy transfer,electron transfer,or chiral induction.Supramolecular self-assembly strategies,particularly macrocyclic compounds,enable chiral amplification by linking chiral and achiral luminescent units through intermolecular interactions.Macrocyclic hosts—cyclodextrins,calix[n]arenes,pillar[n]arenes,chiral cyclophanes,and cucurbit[n]urils—are especially promising due to their stable structures and adjustable cavities for vip encapsulation.These compounds induce unique photophysical properties through host–vip complexation,making them ideal for constructing chiral transfer,amplification,and CPL-active materials.This review summarizes their advancements in multicolor CPL materials,chiral sensing,induction,asymmetric catalysis,and separation,highlighting their potential in supramolecular chiral material design.The challenges and future directions of this field are also discussed,aiming to guide further research and application in supramolecular chiral systems.
基金sponsored by Isfahan University of technology(IUT)
文摘Fully conjugated Schiff base macrocycle has been prepared through a simple and mild condition,a one-pot cyclization procedure of four-component without using a template.The condensation reaction of related bis（hydroxybenzaldehyde） with phenylenediamines to prepare a conjugated[2 ＋ 2]Schiff base macrocycle has been investigated and fluorescent[2 ＋ 2]Schiff base macrocycles with N_2O_2 binding pockets has been prepared and characterized by elemental analysis,^1H NMR,IR,fluorescent,UV-visible and MALDI mass spectroscopies.
基金supported the National Natural Science Foundation of China(No.21801139)Natural Science Foundation of Jiangsu Province(No.BK20180942)+1 种基金the Natural Science Foundation of Nantong University(No.03083004)the large instruments open foundation of Nantong university(1No.KFJN1814)
文摘Supramolecular polymers,which combined of the supramolecular chemistry and polymer science,are constructed from monomers together by reversible noncovalent interactions.Supramolecular polymers in aqueous solution are especially important due to their superior biocompatibility and environmental adaptation,which determined they have wide applications in various areas,such as drug delivery,selfhealing,shape memory.Macrocyclic compounds,such as cyclodextrins,calixarenes,cucurbiturils and pillar[n]arenes,are the most used building blocks in the preparation of supramolecular polymers.Macrocycle-based supramolecular polymers,which introduce the host-vip interaction in the system,endow these polymers with interesting and smart physical-chemical properties.In this review,we summarized recent studies about supramolecular polymers in aqueous solution based on macrocyclic compounds.
基金Project supported by the National Natural Science Foundation of China.
文摘24-Membered macrocyclic bicopper(Ⅱ) complexes wth bridging ligand imidzao-late,SCN-,N3-and H2O respectively were synthesized by condensation of diacetylpyridine with 3-oxapentane-1,5-diamine.As the model compounds of superoxide dismutase (SOD),the relationship between their SOD activities and properties of bridging ligands and redox potentials of copper(Ⅱ) were studied.
