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  • 02월 19일 10시 이후 : 초록수정 불가능, 일정확인 및 검색만 가능

대한화학회 제121회 학술발표회 및 총회 Synthesis of Isomorphous Nickel Triple-Stranded Helicate-Based Molecular Cages with Superb- Hierarchical Structures

등록일
2018년 2월 12일 23시 09분 58초
접수번호
5923
발표코드
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발표시간
4월 19일 (목요일) 11:00~12:30
발표형식
포스터
발표분야
Inorganic Chemistry
저자 및
공동저자
Hyojong Yoo*, Van Cam Thi Le1
Department of Chemistry, Hallym University, Korea
1Chemistry, Hallym University, Korea
We report the strategies for the preparation of discrete metallosupramolecular cages using the multilevel coordination-driven assembly concept. A well-organized and higher-order molecular cage (CH3-Ni cage), [Ni8(PDA)6(MIP)3(DMF)6]6 . [Ni(H2O)3]4 (1) (PDA = 2,6-pyridinedicarboxylate, MIP = 5-methylisophthalic acid, DMF = dimethylformamide) can be regarded as the coordination-driven assembly of six methyl-functionalized nickel (Ni) triple-stranded helicates (CH3-Ni TSHs) as supramolecular modules and six-coordinate octahedral nickel ions. The replacement of 5-methylisophthalate with 5-tert-tbutylisophathalate leads to the formation ofan isomorphous molecular cage (tbu-Ni cage), [Ni8(PDA)6(tbu-PTA)3(DMF)6]6 . [Ni(H2O)3]4 (2) (tbu-PTA = 5-tert-tbutylisophathalate). Similar to 1, molecular cage 2 can be designated as the result of supramolecular assembly. The presence of well-defined and robust cavities of the synthesized cages renders them promising in selective gas sorption/separation application.
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