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
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.
