A homochiral metal–organic porous material for enantioselective separation and catalysis

Jung Soo Seo, Dongmok Whang, Hyoyoung Lee, Sung Im Jun, Jinho Oh, Young Jin Jeon and Kimoon Kim ()
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Jung Soo Seo: Pohang University of Science and Technology
Dongmok Whang: Pohang University of Science and Technology
Hyoyoung Lee: Pohang University of Science and Technology
Sung Im Jun: Pohang University of Science and Technology
Jinho Oh: Pohang University of Science and Technology
Young Jin Jeon: Pohang University of Science and Technology
Kimoon Kim: Pohang University of Science and Technology

Nature, 2000, vol. 404, issue 6781, 982-986

Abstract: Abstract Inorganic zeolites are used for many practical applications that exploit the microporosity intrinsic to their crystal structures. Organic analogues, which are assembled from modular organic building blocks linked through non-covalent interactions, are of interest for similar applications. These range from catalysis, separation and sensor technology to optoelectronics1,2,3, with enantioselective separation and catalysis being especially important for the chemical and pharmaceutical industries. The modular construction of these analogues allows flexible and rational design, as both the architecture and chemical functionality of the micropores can, in principle, be precisely controlled. Porous organic solids with large voids and high framework stability have been produced14,15, and investigations into the range of accessible pore functionalities have been initiated7,11,12,16,17,18,19,20,21,22,23. For example, catalytically active organic zeolite analogues are known13,22,23, as are chiral metal–organic open-framework materials. However, the latter are only available as racemic mixtures24,25, or lack the degree of framework stability or void space that is required for practical applications26,27. Here we report the synthesis of a homochiral metal–organic porous material that allows the enantioselective inclusion of metal complexes in its pores and catalyses a transesterification reaction in an enantioselective manner. Our synthesis strategy, which uses enantiopure metal–organic clusters as secondary building blocks14, should be readily applicable to chemically modified cluster components and thus provide access to a wide range of porous organic materials suitable for enantioselective separation and catalysis.

Date: 2000
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DOI: 10.1038/35010088

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