A new macrocycle based on diethoxycarbonyl glycoluril 3,C26H30N6O10,has been synthesized and characterized by single-crystal X-ray diffraction. It crystallizes in monoclinic,space group P21/c with a = 12.7291（10）,b ...A new macrocycle based on diethoxycarbonyl glycoluril 3,C26H30N6O10,has been synthesized and characterized by single-crystal X-ray diffraction. It crystallizes in monoclinic,space group P21/c with a = 12.7291（10）,b = 25.157（2）,c = 8.5489（7） A,β = 104.4760（10）°,V = 2650.7（4） A^3,Z = 4,C26H30N6O10,Mr = 586.56,F（000） = 1232,T = 292（2） K,Dc = 1.470 g/cm^3,μ = 0.115 mm^-1,the final R = 0.0590 and wR = 0.1299 for 4918 observed reflections with I 〉 2σ（I）. In the structure of the title compound,a three-dimensional microporous architecture is formed via intermolecular hydrogen bonding interactions.展开更多
The reaction of 4,4?-diaminodiphenylmethane (dadm), malonic acid (H2mal) and Cu(NO3)2 in aqueous solution results in a discrete binuclear Cu(II) macrocycle: [Cu(dadm)(mal)- (H2O)]22H2O. It crystallizes in monoclinic, ...The reaction of 4,4?-diaminodiphenylmethane (dadm), malonic acid (H2mal) and Cu(NO3)2 in aqueous solution results in a discrete binuclear Cu(II) macrocycle: [Cu(dadm)(mal)- (H2O)]22H2O. It crystallizes in monoclinic, space group P21/c with a = 15.231(3), b = 11.847(2), c = 9.801(2) ? b = 106.75(3)o, V = 1693.5(6) 3, Z = 2, C32H40Cu2N4O12, Mr = 799.76, Dc = 1.568 g/cm3, ?(MoKa) = 0.71073 ? = 1.325 mm-1, F(000) = 828, the final R = 0.0531 and wR = 0.1244 for 3421 observed reflections with I > 2s(I). Each Cu(II) is coordinated by two oxygen atoms from a mal ligand, two nitrogen atoms from two dadm ligands and a water oxygen atom to form a triangle bipyramidal motif. The title compound possesses a distorted macrocycle enclosed by dadm with approximate dimensions of 8.3 ??5.9 ?展开更多
A series of new Schiff base type macrocyclic crown ethers containing naphthalene ring were synthesized from 2,2'-di(o-formylnaphthoxy) ethyl ether or 1,2-di(o-formylnaphthoxy) ethane and four appropriate diamines....A series of new Schiff base type macrocyclic crown ethers containing naphthalene ring were synthesized from 2,2'-di(o-formylnaphthoxy) ethyl ether or 1,2-di(o-formylnaphthoxy) ethane and four appropriate diamines. The chemical structures of the new compounds were characterized by elemental analysis, infrared spectra, nuclear magnetic resonance spectra and mass spectrometry.展开更多
Three novel C2-symmetric macrocycles containing pyridyl units have been prepared by the cyclic condensation of chiral diamide intermediates with 2,6-pyridinedicarbonyl dichloride in highly diluted solution at room tem...Three novel C2-symmetric macrocycles containing pyridyl units have been prepared by the cyclic condensation of chiral diamide intermediates with 2,6-pyridinedicarbonyl dichloride in highly diluted solution at room temperature.展开更多
A mercury coordination polymer [Hg3（TizT）216]n （Mr = 1921.72, TizT = 2,4,6- tri（imidazole- 1-yl）- 1,3,5-triazine） containing a 40-membered macrocycle which was constructed by four TizT ligands and four mercury...A mercury coordination polymer [Hg3（TizT）216]n （Mr = 1921.72, TizT = 2,4,6- tri（imidazole- 1-yl）- 1,3,5-triazine） containing a 40-membered macrocycle which was constructed by four TizT ligands and four mercury（II） iodide molecules had been synthesized by the reaction of HgI2 with TizT. The complex was characterized by elemental analysis, FT-IR, ^1H NMR spectra and X-ray crystallography. The crystal of the complex belongs to the monoclinic system and C2/c space group with a = 35.840（5）, b = 8.169（5）, c = 14.980（5） A, β = 104.466（5）°, Z= 4, V= 4247（3） A^3, De = 3.006 g·cm^-3, μ= 15.223 mm^-1, F（000） = 3384, Rint = 0.0504, wR = 0.0833 and constructs a chair-like conformation of cyclohexane one by one, which forms a 1-D polymer through the fashion of fused ring aromatic hydrocarbon. The hydrogen bonds and π-π interactions shape the 2-D network structure. The two compounds excited weak fluorescence.展开更多
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
A novel [2＋4＋2]-macrocyclic compound 3（C52H69N16O12, Mr = 1109.53） con- taining bis（ethoxycarbonyl）glycoluril groups was synthesized via the Mannich three-component reaction in one pot and its structure was char...A novel [2＋4＋2]-macrocyclic compound 3（C52H69N16O12, Mr = 1109.53） con- taining bis（ethoxycarbonyl）glycoluril groups was synthesized via the Mannich three-component reaction in one pot and its structure was characterized by single-crystal X-ray diffraction. It crystallizes in triclinic, space group P1 with a = 10.077（3）, b = 10.642（3）, c = 15.324（5） , α = 96.704（5）, β = 102.304（5）, γ = 104.546（5）°, Z = 2, V = 1528.7（8）3, Dc = 1.283 g/cm3, μ = 0.097 mm-1, F（000） = 628, R = 0.0818 and wR（I 〉 2σ（I）） = 0.2346 for 3034 observed reflections.展开更多
Conjugated Schiff base macrocycles containing 1,3,3-oxadiazole were prepared by [2 + 2] cyclic condensation of phenylenediamine with 2,5-bis(m-formyl-phenyl)-1,3,4-oxadiazole. These macrocycles with iodine or TCNQ pro...Conjugated Schiff base macrocycles containing 1,3,3-oxadiazole were prepared by [2 + 2] cyclic condensation of phenylenediamine with 2,5-bis(m-formyl-phenyl)-1,3,4-oxadiazole. These macrocycles with iodine or TCNQ produced stable charge-transfer complexes. The formation of complexes were identified by UV-Vis and FT-IR spectra.展开更多
Novel phosphorus-containing polyoxamacrocycles with one to two reactive thiophosphoryl chloride groups 5, 6, 7, 8 were synthesized from bishydroxyl compounds 1, 2, 3, 4 and thiophosphoryl chloride respectively. Their ...Novel phosphorus-containing polyoxamacrocycles with one to two reactive thiophosphoryl chloride groups 5, 6, 7, 8 were synthesized from bishydroxyl compounds 1, 2, 3, 4 and thiophosphoryl chloride respectively. Their structures were confirmed by ^ 1H NMR, ^13C NMR, ^31p NMR and elemental analysis.展开更多
On the basis of the C-C coupling reactions of dibenzo [ fg, op ] naphthacene bistriflate, which was obtained by the condensation of phenylacetates with 4-aryl-2,6-bis（2-bromo-4-methoxy-phenyl） pyrylium salts followe...On the basis of the C-C coupling reactions of dibenzo [ fg, op ] naphthacene bistriflate, which was obtained by the condensation of phenylacetates with 4-aryl-2,6-bis（2-bromo-4-methoxy-phenyl） pyrylium salts followed by palladium-catalyzed dehydrohalogenation, three shape-persistent macrocycles with dibenzonaphthacene corner pieces, a nanometer interior void, and intraanular oligoalkyl side groups were synthesized by the oxidative cyclization of the corresponding bisacetylenes under high-dilution conditions. Their thermotropic liquid crystalline properties were investigated by using polarizing microscopy and differential scanning calorimetry. All the three compounds showed nematic mesophases and belonged to discotic liquid crystals with inverted topology.展开更多
The construction of an unprecedented intertwined spiral solvent channel is driven by weak C–Cl…O and C–H…N interactions based on extraordinary parallel spirals which were structured from supramolecular synthon mac...The construction of an unprecedented intertwined spiral solvent channel is driven by weak C–Cl…O and C–H…N interactions based on extraordinary parallel spirals which were structured from supramolecular synthon macrocycle 1（C44H44N4O4） with a propargylamine backbone. The product is characterized by ^1H NMR, ^13C NMR, IR and HRMS, and further confirmed by single-crystal X-ray diffraction. It crystallizes in the monoclinic system, space group C2/c, with a = 28.922（3）, b = 8.5069（9）, c = 21.687（2）A^°, β = 130.6320（10）°, V = 4049.4（7） A^°3 and Z = 8. A total of 11874 reflections were collected, of which 4942 were independent（Rint = 0.0590） and 2937 were observed with I 〉 2σ（I）. The final full-matrix least-squares refinement gave R（I 〉 2s（I）） = 0.069 and w R = 0.167, S = 1.05,（Δρ）max = 0.20 and（Δρ）min =-0.22 e·A^1-3. The fluorescence of the product is discussed.展开更多
An improved procedure was used to prepare the asymmetric tripyrrane-containing macrocycles, The yield was over 85% These maerocycles could be oxidized to the methine bridled 23 (?)-electron aromatic cadmium(Ⅱ)complex...An improved procedure was used to prepare the asymmetric tripyrrane-containing macrocycles, The yield was over 85% These maerocycles could be oxidized to the methine bridled 23 (?)-electron aromatic cadmium(Ⅱ)complexes by reating with cadmium chloride in the presence of air and their atructures were characterized.展开更多
The porphyrin-like macrocycles and their metal complexes are s novel family of photoresponsive molecules.The properties of the excited states,both singlet and triplet are investigated by the stationary and transient p...The porphyrin-like macrocycles and their metal complexes are s novel family of photoresponsive molecules.The properties of the excited states,both singlet and triplet are investigated by the stationary and transient processes.展开更多
metol-free Robson -type macrocycle was synthesized for first time by proton-templation and from that the metal complexes were prepared.By X-ray study the structure of Ni(Ⅱ)-complex was characterized.
A new type of aza-oxa macrocycles containing pyridine ring which may be used for binding of prinary ammonium cations(R-NH) were prepared from 2.6-di(bromomethyl) pyridine and appropriate diol.
New Schiff base Macrocyclic compound of 2,3: 11, 12:20, 21:29, 30-tetrabenzo-1,13,16,19,31,34-hexaoxa-5,6,8,9,23,24,26,27-octaaza-7,25-dithione-2,3:4,5:9,10:11,12:22, 23:27,28:29,30 cyclo-[36]ene (thione2B4[36] ene-O6...New Schiff base Macrocyclic compound of 2,3: 11, 12:20, 21:29, 30-tetrabenzo-1,13,16,19,31,34-hexaoxa-5,6,8,9,23,24,26,27-octaaza-7,25-dithione-2,3:4,5:9,10:11,12:22, 23:27,28:29,30 cyclo-[36]ene (thione2B4[36] ene-O6N8) containing THF has been prepared. It crystallizes in the monoclinic, space group P21/n. with parameters a=9.829(5) b=24.23(1), c=10.181(9), β=92.93(5)°, Z=2, V=2422(3)3, Dc=1.25gcm-3. Data collection: Rigaku AFC-5R diffractometer,(MoKα, λ=0.71069), ω /2θ scans. θmax=25°, empirical absorption correction, 4658 measured reflections, 4387 independent, 1743 observed reflections [I≥3σ(I)]. The final R=0.056. RW=0.069,S=1 .54, (Δ/σ)max=0.01,Δρmax=0.36e-3.展开更多
Four kinds of new macrocycles containing amino acids and nyl-heterocyclic units were synthesized by the condensation of di-esters containing Ts-amino acids units with di-halogenated compounds at room temperature. The ...Four kinds of new macrocycles containing amino acids and nyl-heterocyclic units were synthesized by the condensation of di-esters containing Ts-amino acids units with di-halogenated compounds at room temperature. The macrocycles were characterized by elemental analysis, IR,MS(FAB) and 1H NMR展开更多
A novel macrocycle containing thiophene （L） was prepared first by the interaction of 2,5-bis-（chloromethyl）-thiophene （A） and salicylaldehyde to give 2, 5-bis-（2-formylphenoxymethyl）-thiophene （B）, and then ...A novel macrocycle containing thiophene （L） was prepared first by the interaction of 2,5-bis-（chloromethyl）-thiophene （A） and salicylaldehyde to give 2, 5-bis-（2-formylphenoxymethyl）-thiophene （B）, and then by the nontemplate cyclocondensation of 1,3-diaminopropane with （B） followed by a "onepot" reduction without isolation of the diimine intermediate. The corresponding silver complex, AgLClO;, was also prepared. The macrocycle was characterized by IR, elemental analysis, MS and;HNMR.展开更多
The properties of absorption spectra are presented and the linear correlations of Hammett constants with the 0-0 transition energy(E_(o,o))of S_←S_o, and the ratios of oscillator strength(f/f)are used to probe the in...The properties of absorption spectra are presented and the linear correlations of Hammett constants with the 0-0 transition energy(E_(o,o))of S_←S_o, and the ratios of oscillator strength(f/f)are used to probe the interactions betwee π-electron of aromatic maerocycles or metal ion of complexes with the sub- stituents on β-position of benzene ring for porphyrin-like maerocyclic compounds.展开更多
基金supported by Central China Normal University and the National Natural Science Foundation of China (20472022 and 20672042)
文摘A new macrocycle based on diethoxycarbonyl glycoluril 3,C26H30N6O10,has been synthesized and characterized by single-crystal X-ray diffraction. It crystallizes in monoclinic,space group P21/c with a = 12.7291（10）,b = 25.157（2）,c = 8.5489（7） A,β = 104.4760（10）°,V = 2650.7（4） A^3,Z = 4,C26H30N6O10,Mr = 586.56,F（000） = 1232,T = 292（2） K,Dc = 1.470 g/cm^3,μ = 0.115 mm^-1,the final R = 0.0590 and wR = 0.1299 for 4918 observed reflections with I 〉 2σ（I）. In the structure of the title compound,a three-dimensional microporous architecture is formed via intermolecular hydrogen bonding interactions.
文摘The reaction of 4,4?-diaminodiphenylmethane (dadm), malonic acid (H2mal) and Cu(NO3)2 in aqueous solution results in a discrete binuclear Cu(II) macrocycle: [Cu(dadm)(mal)- (H2O)]22H2O. It crystallizes in monoclinic, space group P21/c with a = 15.231(3), b = 11.847(2), c = 9.801(2) ? b = 106.75(3)o, V = 1693.5(6) 3, Z = 2, C32H40Cu2N4O12, Mr = 799.76, Dc = 1.568 g/cm3, ?(MoKa) = 0.71073 ? = 1.325 mm-1, F(000) = 828, the final R = 0.0531 and wR = 0.1244 for 3421 observed reflections with I > 2s(I). Each Cu(II) is coordinated by two oxygen atoms from a mal ligand, two nitrogen atoms from two dadm ligands and a water oxygen atom to form a triangle bipyramidal motif. The title compound possesses a distorted macrocycle enclosed by dadm with approximate dimensions of 8.3 ??5.9 ?
文摘A series of new Schiff base type macrocyclic crown ethers containing naphthalene ring were synthesized from 2,2'-di(o-formylnaphthoxy) ethyl ether or 1,2-di(o-formylnaphthoxy) ethane and four appropriate diamines. The chemical structures of the new compounds were characterized by elemental analysis, infrared spectra, nuclear magnetic resonance spectra and mass spectrometry.
文摘Three novel C2-symmetric macrocycles containing pyridyl units have been prepared by the cyclic condensation of chiral diamide intermediates with 2,6-pyridinedicarbonyl dichloride in highly diluted solution at room temperature.
基金supported by the National Natural Science Foundation of China (21071001, 50873001)Education Committee of Anhui Province (KJ2009A52, KJ2010A030)+3 种基金the Team for Scientific Innovation Foundation of Anhui Province (2006KJ007TD)Science and Technological Fund of Anhui Province for Outstanding Youth (10040606Y22)the 211 Project of Anhui University, Ministry of Education Funded Projects Focus on Returned Overseas Scholarthe Youth Foundation of Anhui Agricultural University (2009ZR25)
文摘A mercury coordination polymer [Hg3（TizT）216]n （Mr = 1921.72, TizT = 2,4,6- tri（imidazole- 1-yl）- 1,3,5-triazine） containing a 40-membered macrocycle which was constructed by four TizT ligands and four mercury（II） iodide molecules had been synthesized by the reaction of HgI2 with TizT. The complex was characterized by elemental analysis, FT-IR, ^1H NMR spectra and X-ray crystallography. The crystal of the complex belongs to the monoclinic system and C2/c space group with a = 35.840（5）, b = 8.169（5）, c = 14.980（5） A, β = 104.466（5）°, Z= 4, V= 4247（3） A^3, De = 3.006 g·cm^-3, μ= 15.223 mm^-1, F（000） = 3384, Rint = 0.0504, wR = 0.0833 and constructs a chair-like conformation of cyclohexane one by one, which forms a 1-D polymer through the fashion of fused ring aromatic hydrocarbon. The hydrogen bonds and π-π interactions shape the 2-D network structure. The two compounds excited weak fluorescence.
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.
基金supported by Central China Normal University and the National Science Foundation of China(No.21272085)
文摘A novel [2＋4＋2]-macrocyclic compound 3（C52H69N16O12, Mr = 1109.53） con- taining bis（ethoxycarbonyl）glycoluril groups was synthesized via the Mannich three-component reaction in one pot and its structure was characterized by single-crystal X-ray diffraction. It crystallizes in triclinic, space group P1 with a = 10.077（3）, b = 10.642（3）, c = 15.324（5） , α = 96.704（5）, β = 102.304（5）, γ = 104.546（5）°, Z = 2, V = 1528.7（8）3, Dc = 1.283 g/cm3, μ = 0.097 mm-1, F（000） = 628, R = 0.0818 and wR（I 〉 2σ（I）） = 0.2346 for 3034 observed reflections.
文摘Conjugated Schiff base macrocycles containing 1,3,3-oxadiazole were prepared by [2 + 2] cyclic condensation of phenylenediamine with 2,5-bis(m-formyl-phenyl)-1,3,4-oxadiazole. These macrocycles with iodine or TCNQ produced stable charge-transfer complexes. The formation of complexes were identified by UV-Vis and FT-IR spectra.
文摘Novel phosphorus-containing polyoxamacrocycles with one to two reactive thiophosphoryl chloride groups 5, 6, 7, 8 were synthesized from bishydroxyl compounds 1, 2, 3, 4 and thiophosphoryl chloride respectively. Their structures were confirmed by ^ 1H NMR, ^13C NMR, ^31p NMR and elemental analysis.
基金Supported by the National Natural Science Foundation of China(No20472070) and the Science Foundation of Yunnan Province(No 2005E008M)
文摘On the basis of the C-C coupling reactions of dibenzo [ fg, op ] naphthacene bistriflate, which was obtained by the condensation of phenylacetates with 4-aryl-2,6-bis（2-bromo-4-methoxy-phenyl） pyrylium salts followed by palladium-catalyzed dehydrohalogenation, three shape-persistent macrocycles with dibenzonaphthacene corner pieces, a nanometer interior void, and intraanular oligoalkyl side groups were synthesized by the oxidative cyclization of the corresponding bisacetylenes under high-dilution conditions. Their thermotropic liquid crystalline properties were investigated by using polarizing microscopy and differential scanning calorimetry. All the three compounds showed nematic mesophases and belonged to discotic liquid crystals with inverted topology.
基金supported by the Natural Science Foundation of Anhui Province Education Department(No.KJ2014A141,No.KJ2015A243,No.KJ2016A862)
文摘The construction of an unprecedented intertwined spiral solvent channel is driven by weak C–Cl…O and C–H…N interactions based on extraordinary parallel spirals which were structured from supramolecular synthon macrocycle 1（C44H44N4O4） with a propargylamine backbone. The product is characterized by ^1H NMR, ^13C NMR, IR and HRMS, and further confirmed by single-crystal X-ray diffraction. It crystallizes in the monoclinic system, space group C2/c, with a = 28.922（3）, b = 8.5069（9）, c = 21.687（2）A^°, β = 130.6320（10）°, V = 4049.4（7） A^°3 and Z = 8. A total of 11874 reflections were collected, of which 4942 were independent（Rint = 0.0590） and 2937 were observed with I 〉 2σ（I）. The final full-matrix least-squares refinement gave R（I 〉 2s（I）） = 0.069 and w R = 0.167, S = 1.05,（Δρ）max = 0.20 and（Δρ）min =-0.22 e·A^1-3. The fluorescence of the product is discussed.
文摘An improved procedure was used to prepare the asymmetric tripyrrane-containing macrocycles, The yield was over 85% These maerocycles could be oxidized to the methine bridled 23 (?)-electron aromatic cadmium(Ⅱ)complexes by reating with cadmium chloride in the presence of air and their atructures were characterized.
文摘The porphyrin-like macrocycles and their metal complexes are s novel family of photoresponsive molecules.The properties of the excited states,both singlet and triplet are investigated by the stationary and transient processes.
文摘metol-free Robson -type macrocycle was synthesized for first time by proton-templation and from that the metal complexes were prepared.By X-ray study the structure of Ni(Ⅱ)-complex was characterized.
文摘A new type of aza-oxa macrocycles containing pyridine ring which may be used for binding of prinary ammonium cations(R-NH) were prepared from 2.6-di(bromomethyl) pyridine and appropriate diol.
文摘New Schiff base Macrocyclic compound of 2,3: 11, 12:20, 21:29, 30-tetrabenzo-1,13,16,19,31,34-hexaoxa-5,6,8,9,23,24,26,27-octaaza-7,25-dithione-2,3:4,5:9,10:11,12:22, 23:27,28:29,30 cyclo-[36]ene (thione2B4[36] ene-O6N8) containing THF has been prepared. It crystallizes in the monoclinic, space group P21/n. with parameters a=9.829(5) b=24.23(1), c=10.181(9), β=92.93(5)°, Z=2, V=2422(3)3, Dc=1.25gcm-3. Data collection: Rigaku AFC-5R diffractometer,(MoKα, λ=0.71069), ω /2θ scans. θmax=25°, empirical absorption correction, 4658 measured reflections, 4387 independent, 1743 observed reflections [I≥3σ(I)]. The final R=0.056. RW=0.069,S=1 .54, (Δ/σ)max=0.01,Δρmax=0.36e-3.
文摘Four kinds of new macrocycles containing amino acids and nyl-heterocyclic units were synthesized by the condensation of di-esters containing Ts-amino acids units with di-halogenated compounds at room temperature. The macrocycles were characterized by elemental analysis, IR,MS(FAB) and 1H NMR
基金This project is supported by the National Natural Science Foundation of China.
文摘A novel macrocycle containing thiophene （L） was prepared first by the interaction of 2,5-bis-（chloromethyl）-thiophene （A） and salicylaldehyde to give 2, 5-bis-（2-formylphenoxymethyl）-thiophene （B）, and then by the nontemplate cyclocondensation of 1,3-diaminopropane with （B） followed by a "onepot" reduction without isolation of the diimine intermediate. The corresponding silver complex, AgLClO;, was also prepared. The macrocycle was characterized by IR, elemental analysis, MS and;HNMR.
文摘The properties of absorption spectra are presented and the linear correlations of Hammett constants with the 0-0 transition energy(E_(o,o))of S_←S_o, and the ratios of oscillator strength(f/f)are used to probe the interactions betwee π-electron of aromatic maerocycles or metal ion of complexes with the sub- stituents on β-position of benzene ring for porphyrin-like maerocyclic compounds.
