한빛사논문
Jaehyoung Koo1,2,6, Ikjin Kim1,3,6, Younghoon Kim1, Dasol Cho4,5, In-Chul Hwang1, Rahul Dev Mukhopadhyay1, Hayoung Song1, Young Ho Ko1, Avinash Dhamija1, Hochan Lee1,3, Wooseup Hwang1, Seungha Kim4,5, Mu-Hyun Baik4,5,*, Kimoon Kim1,2,7,*
1Center for Self-Assembly and Complexity (CSC), Institute for Basic Science (IBS), Pohang 37673, Republic of Korea
2Department of Chemistry, Pohang University of Science and Technology (POSTECH), Pohang 37673, Republic of Korea
3Division of Advanced Materials Science, Pohang University of Science and Technology (POSTECH), Pohang 37673, Republic of Korea
4Center for Catalytic Hydrocarbon Functionalizations, Institute for Basic Science (IBS), Daejeon 34141, Republic of Korea
5Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
6These authors contributed equally
7Lead Contact
*Corresponding author
Abstract
Due to the existing challenges in the synthesis of covalently linked large organic cages, the potential benefits of such gigantic structures have been less explored, comparatively. Here, we present a one-pot, template-free strategy to construct a porphyrin-based gigantic organic cage P12L24, built with 12 square-shaped porphyrins (P) and 24 bent linkers (L). Single crystal X-ray analysis of P12L24 revealed a cuboctahedron structure with a diameter of ∼5.3 nm reminiscent of the COPII protein with a cuboctahedral geometry. To the best of our knowledge, it represents the largest, pure organic synthetic cage reported so far. By virtue of its large voids facilitating mass transport of substrates, 3a efficiently catalyzes the photooxidation of dihydroxynaphthalene derivatives in a heterogeneous setting, corroborating the benefits of these structures. Additionally, we demonstrate the insertion of a linear guest molecule into Zn-metallated cage Zn-3b in solution, which may facilitate the synthesis of multivariate gigantic cages in the future.
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TOP52020년 후보
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