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
A new molecular clip based on diethoxycarbonyl glycoluril 5: C42H36N6O6, has been synthesized and characterized by single-crystal X-ray diffraction. The crystal belongs to orthorhombic, space group Pbca with a = 12.7...A new molecular clip based on diethoxycarbonyl glycoluril 5: C42H36N6O6, has been synthesized and characterized by single-crystal X-ray diffraction. The crystal belongs to orthorhombic, space group Pbca with a = 12.7639(5), b = 16.9727(7), c = 34.2069(14) A, V = 7410.5(5) A3, Z = 8, Dc= 1.292 g/cm3, p(MoKa) = 0.088 mm-1, F(000) = 3024, the final R = 0.0655 and wR = 0.1566 for 5123 observed reflections with I 〉 2tr(/). The crystal structural analysis shows that intermolecular C-H...O and C-H...N hydrogen bonds stabilized the whole crystal structure. The binding study by fluorescence spectroscope titration showed that the title molecule can selectively recognize Fe3~ with fluorescence quenching.展开更多
The synthesis and aggregation behavior of two glycoluril derivatives were descrybed.The crystal of compound 1 belongs to the triclinic system,space group ■,with a=8.946(1),b=13.445(2),c=20.361(3)?,α=89.517(3...The synthesis and aggregation behavior of two glycoluril derivatives were descrybed.The crystal of compound 1 belongs to the triclinic system,space group ■,with a=8.946(1),b=13.445(2),c=20.361(3)?,α=89.517(3),β=84.405(3),γ=86.325(3)°,Z=2,V=2432.1(6)?3,Dc=1.293 g·cm-3,C48H34N6O6·2DMSO,Mr=947.07,F(000)=992,μ=0.170 mm-1,the final R=0.1606 and wR=0.2410 for 4382 observed reflections(Ⅰ>2σ(Ⅰ)).The crystal of compound 2belongs to the monoclinic system,space group P21/c,with a=9.500(3),b=24.522(8),c=17.997(6)?,Z=2,V=4054(2)?3,Dc=1.296 g·cm-3,C48H34N6O6,Mr=790.81,F(000)=1648,μ=0.087mm-1,the final R=0.2146 and wR=0.2535 for 2878 observed reflections(Ⅰ>2σ(Ⅰ)).Unlike the highly conserved R22(8)hydrogen-bonding amide···amide homosynthon,the structural analysis indicated that compound 1 selected the C(20)hydrogen-bonding motif and 2 selected the R22(34)hydrogen-bonding motif,which revealed the competition from remote solvent molecule and the interference of the molecular hydrocarbon core in crystal packing.The supramolecular structure revealed molecule 1 is further linked into a one-dimensional chain and 2 into a two-dimensional interwoven plane by N–H···N hydrogen bonds.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
A new clip molecule 1 based on diethoxycarbonyl glycoluril, C46H34ChN4O8, has been synthesized and characterized by single-crystal X-ray diffraction. The crystal belongs to triclinic, space group P1 with a = 11.3674(...A new clip molecule 1 based on diethoxycarbonyl glycoluril, C46H34ChN4O8, has been synthesized and characterized by single-crystal X-ray diffraction. The crystal belongs to triclinic, space group P1 with a = 11.3674(8), b = 11.3674(8), c = 16.9704(12) A, a = 70.0690(10), β= 72.2310(10), y = 78.0880(10)°, V= 1993.2(2) A3, Z = 2, Dc = 1.521 g/cm3, μ(MoKa) = 0.361 mml, F(000) = 940, the final R = 0.0422 and wR = 0.1144 for 22997 observed reflections with 1 〉 2o(I). The crystal structural analysis shows that C-H……O and C-H……Cl hydrogen bonds, C-H-……π, C-CI……π supramolecular interactions, andπ-π packing interaction stabilized the whole crystal structure. The binding study by fluorescence spectroscope titration showed that the title molecule can selectively recognize Fe3+ with fluorescence quenching.展开更多
The synthesis and X-ray crystal structure of a methylene-bridged glycoluril dimer 2 was reported.The methylene-bridged glycoluril dimer 2(C38H36Br4N8O12,Mr=1116.35) crystallizes in space group P1 with a=10.5802(6)...The synthesis and X-ray crystal structure of a methylene-bridged glycoluril dimer 2 was reported.The methylene-bridged glycoluril dimer 2(C38H36Br4N8O12,Mr=1116.35) crystallizes in space group P1 with a=10.5802(6),b=16.8469(9),c=24.7673(14) ,α=98.00,β=96.263(1),γ=101.606(1)o,V=4239.3(4)3,Z=4,Dc=1.749 g/cm3,μ=3.869 mm-1 and F(000)=2224.It crystallizes in an S-shaped conformation that displays two ethoxycarbonyl groups on each face of the molecule.展开更多
A new glycoluril derivative 2 has been synthesized and characterized by single- crystal X-ray diffraction. It crystallizes in triclinic, space group Pī with a = 13.128(7), b = 13.245(7), c = 14.016(8) ?, α = ...A new glycoluril derivative 2 has been synthesized and characterized by single- crystal X-ray diffraction. It crystallizes in triclinic, space group Pī with a = 13.128(7), b = 13.245(7), c = 14.016(8) ?, α = 98.805(10), β = 102.036(9), γ = 101.470(10)°, V = 2287(2) ?3, Z = 2, C54H38N8O6·H2O, Mr= 912.94, F(000) = 952, T = 298(2) K, Dc = 1.326 g/cm3 and μ = 0.090 mm-1. Due to the intermolecular C–H… interactions, two monomeric molecular clips dimerize as a dimeric building block in the crystalline state. Those building blocks form tape-like supramolecular polymers driven by intermolecular C–H…N interactions and water molecules which stabilized in the packing structure served as hydrogen-bonding donors.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.
基金supported by the Hubei Province Education Ministry Foundation of China(No.D20112507)
文摘A new molecular clip based on diethoxycarbonyl glycoluril 5: C42H36N6O6, has been synthesized and characterized by single-crystal X-ray diffraction. The crystal belongs to orthorhombic, space group Pbca with a = 12.7639(5), b = 16.9727(7), c = 34.2069(14) A, V = 7410.5(5) A3, Z = 8, Dc= 1.292 g/cm3, p(MoKa) = 0.088 mm-1, F(000) = 3024, the final R = 0.0655 and wR = 0.1566 for 5123 observed reflections with I 〉 2tr(/). The crystal structural analysis shows that intermolecular C-H...O and C-H...N hydrogen bonds stabilized the whole crystal structure. The binding study by fluorescence spectroscope titration showed that the title molecule can selectively recognize Fe3~ with fluorescence quenching.
基金supported by the Natural Science Foundation of Hubei Province(No.2017CFB355)the State Undergraduate Innovative Training Program(No.201610517012)
文摘The synthesis and aggregation behavior of two glycoluril derivatives were descrybed.The crystal of compound 1 belongs to the triclinic system,space group ■,with a=8.946(1),b=13.445(2),c=20.361(3)?,α=89.517(3),β=84.405(3),γ=86.325(3)°,Z=2,V=2432.1(6)?3,Dc=1.293 g·cm-3,C48H34N6O6·2DMSO,Mr=947.07,F(000)=992,μ=0.170 mm-1,the final R=0.1606 and wR=0.2410 for 4382 observed reflections(Ⅰ>2σ(Ⅰ)).The crystal of compound 2belongs to the monoclinic system,space group P21/c,with a=9.500(3),b=24.522(8),c=17.997(6)?,Z=2,V=4054(2)?3,Dc=1.296 g·cm-3,C48H34N6O6,Mr=790.81,F(000)=1648,μ=0.087mm-1,the final R=0.2146 and wR=0.2535 for 2878 observed reflections(Ⅰ>2σ(Ⅰ)).Unlike the highly conserved R22(8)hydrogen-bonding amide···amide homosynthon,the structural analysis indicated that compound 1 selected the C(20)hydrogen-bonding motif and 2 selected the R22(34)hydrogen-bonding motif,which revealed the competition from remote solvent molecule and the interference of the molecular hydrocarbon core in crystal packing.The supramolecular structure revealed molecule 1 is further linked into a one-dimensional chain and 2 into a two-dimensional interwoven plane by N–H···N hydrogen bonds.
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.
基金supported by the Hubei Province Education Ministry Foundation of China(No.D20112507)the Science Technology Foundation for Creative Research Group of HBDE(No.T201311)
文摘A new clip molecule 1 based on diethoxycarbonyl glycoluril, C46H34ChN4O8, has been synthesized and characterized by single-crystal X-ray diffraction. The crystal belongs to triclinic, space group P1 with a = 11.3674(8), b = 11.3674(8), c = 16.9704(12) A, a = 70.0690(10), β= 72.2310(10), y = 78.0880(10)°, V= 1993.2(2) A3, Z = 2, Dc = 1.521 g/cm3, μ(MoKa) = 0.361 mml, F(000) = 940, the final R = 0.0422 and wR = 0.1144 for 22997 observed reflections with 1 〉 2o(I). The crystal structural analysis shows that C-H……O and C-H……Cl hydrogen bonds, C-H-……π, C-CI……π supramolecular interactions, andπ-π packing interaction stabilized the whole crystal structure. The binding study by fluorescence spectroscope titration showed that the title molecule can selectively recognize Fe3+ with fluorescence quenching.
基金supported by the National Natural Science Foundation of China (20672042)
文摘The synthesis and X-ray crystal structure of a methylene-bridged glycoluril dimer 2 was reported.The methylene-bridged glycoluril dimer 2(C38H36Br4N8O12,Mr=1116.35) crystallizes in space group P1 with a=10.5802(6),b=16.8469(9),c=24.7673(14) ,α=98.00,β=96.263(1),γ=101.606(1)o,V=4239.3(4)3,Z=4,Dc=1.749 g/cm3,μ=3.869 mm-1 and F(000)=2224.It crystallizes in an S-shaped conformation that displays two ethoxycarbonyl groups on each face of the molecule.
基金supported by Central China Normal University and the National Science Foundation of China(No.21272085)
文摘A new glycoluril derivative 2 has been synthesized and characterized by single- crystal X-ray diffraction. It crystallizes in triclinic, space group Pī with a = 13.128(7), b = 13.245(7), c = 14.016(8) ?, α = 98.805(10), β = 102.036(9), γ = 101.470(10)°, V = 2287(2) ?3, Z = 2, C54H38N8O6·H2O, Mr= 912.94, F(000) = 952, T = 298(2) K, Dc = 1.326 g/cm3 and μ = 0.090 mm-1. Due to the intermolecular C–H… interactions, two monomeric molecular clips dimerize as a dimeric building block in the crystalline state. Those building blocks form tape-like supramolecular polymers driven by intermolecular C–H…N interactions and water molecules which stabilized in the packing structure served as hydrogen-bonding donors.