The crystal structure of a naturally occurring cyclic tetrapeptide cyclo(Gly-L-Ser-L-Pro-L-Glu) [cyclo(GSPE)] was obtained. The conformation of synthesized cyclo(GSPE) fixes the coordination to lead ion in a 1:1 ratio. This cyclo(GSPE)-Pb complex was constructed as an asymmetric 3D network in the crystalline state. The polymerization of a heavy metal ion with a rigid asymmetric cyclic tetrapeptide represents the first example of a new class of macrocyclic complexes.
机构:
Univ Santiago de Compostela, Dept Quim Inorgan, Fac Farm, E-15782 Santiago De Compostela, SpainUniv Santiago de Compostela, Dept Quim Inorgan, Fac Farm, E-15782 Santiago De Compostela, Spain
Castineiras, Alfonso
Garcia-Santos, Isabel
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Univ Santiago de Compostela, Dept Quim Inorgan, Fac Farm, E-15782 Santiago De Compostela, SpainUniv Santiago de Compostela, Dept Quim Inorgan, Fac Farm, E-15782 Santiago De Compostela, Spain
Garcia-Santos, Isabel
Varela, Jose M.
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Univ Santiago de Compostela, Dept Quim Inorgan, Fac Farm, E-15782 Santiago De Compostela, SpainUniv Santiago de Compostela, Dept Quim Inorgan, Fac Farm, E-15782 Santiago De Compostela, Spain
机构:Henan University,Key Laboratory of Polyoxometalate Chemistry of Henan Province, Institute of Molecular and Crystal Engineering, School of Chemistry and Chemical Engineering
Shun-Shun Liu
Meng Cheng
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机构:Henan University,Key Laboratory of Polyoxometalate Chemistry of Henan Province, Institute of Molecular and Crystal Engineering, School of Chemistry and Chemical Engineering
Meng Cheng
Bing Li
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机构:Henan University,Key Laboratory of Polyoxometalate Chemistry of Henan Province, Institute of Molecular and Crystal Engineering, School of Chemistry and Chemical Engineering
Bing Li
Wen-Hui Shi
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机构:Henan University,Key Laboratory of Polyoxometalate Chemistry of Henan Province, Institute of Molecular and Crystal Engineering, School of Chemistry and Chemical Engineering
Wen-Hui Shi
Yan Bai
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机构:Henan University,Key Laboratory of Polyoxometalate Chemistry of Henan Province, Institute of Molecular and Crystal Engineering, School of Chemistry and Chemical Engineering
Yan Bai
Dong-Bin Dang
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机构:Henan University,Key Laboratory of Polyoxometalate Chemistry of Henan Province, Institute of Molecular and Crystal Engineering, School of Chemistry and Chemical Engineering
Dong-Bin Dang
Journal of Inorganic and Organometallic Polymers and Materials,
2015,
25
: 1103
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1110