- Linker functionalisation triggers an alternative 3D-topology for Zn-isophthalate-4,4′-bipyridine frameworks
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A series of four Zn2+ metal-organic frameworks containing functionalised isophthalate linkers and 4,4′-bipyridine pillars have been prepared and characterised. Isophthalates which contain -OC3H2n+1 alkoxy side chains (with n = 1, 2 or 3) form frameworks with a 3D pillared-layer topology instead of the typical 2D layer topology of the renowned coordination polymers with an interdigitated structure (CIDs), which is found for shorter -OC2H5 side chains. The gas adsorption properties of the materials were analysed using N2, CO2 and O2 adsorption measurements at low temperatures.
- Schneemann, Andreas,Rudolf, Robin,Henke, Sebastian,Takahashi, Yukiko,Banh, Hung,Hante, Inke,Schneider, Christian,Noro, Shin-Ichiro,Fischer, Roland A.
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p. 8198 - 8203
(2017/07/10)
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- Tuning the adsorption behaviors of water, methanol, and ethanol in a porous material by varying the flexibility of substituted groups
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Exploring the adsorption and separation of water, methanol, and ethanol is important concerning the use of a sustainable energy source from biofuel. In this paper, the effects of the flexibility of substituted groups have been studied based on three iso-reticular metal-organic frameworks (MOFs), in which the pore surface is decorated with propargyl (-CH2-C≡CH), allyl (-CH2-CH=CH2), and propyl (-CH2-CH2-CH3) groups respectively. These substituted groups stretch into the channel, acting as gates, and the gate-opening for guests is controlled by the flexibility as well as host-guest interactions. Our study results indicate that (i) the adsorption capacity of water, methanol and ethanol enhances accordingly with the increase of the flexibility of substituted groups; (ii) the adsorptive discrimination of water, methanol, and ethanol on this porous sorbent could be tuned by varying the substituted groups.
- Sha, Yunfei,Bai, Shizhe,Lou, Jiaying,Wu, Da,Liu, Baizhan,Ling, Yun
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p. 7235 - 7239
(2016/06/01)
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- Parallel combinatorial synthesis of glycodendrimers and their hydrogelation properties
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A series of glycodendrons has been assembled using a parallel combinatorial approach, and it has been shown that subtle structural variations between dendrons give rise to significant differences in their hydrogelation behavior.
- McWatt, Martin,Boons, Geert-Jan
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p. 2535 - 2545
(2007/10/03)
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- Synthesis of a Chiral Macrocyclic Dibenzodicyclohexanotetraamide-Containing Stationary Phase for Liquid Chromatography
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Allyloxy-substituted macrocyclic dibenzodicyclohexanotetraamide 2 was prepared by the following sequence. Mono-Boc-protected chiral 1,2-cyclohexanediamine (3) was treated with isophthaloyl chloride followed by removal of the Boc group to form bisisophthal
- Hu, Kejiang,Bradshaw, Jerald S.,Dalley, N.Kent,Krakowiak, Krzysztof E.,Wu, Naijun,Lee,Milton L.
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p. 381 - 388
(2007/10/03)
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- THE INHIBITION OF GLUTAMATE DEHYDROGENASE BY DERIVATIVES OF ISOPHTHALIC ACID
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A range of compounds, structurally related to glutamate, have been tested as inhibitors of pea leaf glutamate dehydrogenase assayed in either direction.Only 5-N-substituted derivatives of aminoisophthalic acid completely inhibited the enzyme when tested at concentrations equal to either those of 2-oxoglutarate or glutamate.A minimum of three carbon atoms attached linearly to the amino group was required for maximum inhibition, inhibition was removed if there was any substitution on the first carbon.The 5-N-substituted derivatives also inhibited yeast (to a greater extent) and bovine liver (to a lesser extent) glutamate dehydrogenases.Key Word Index - Pisum sativum; Leguminoseae; yeast; bovine; glutamate dehydrogenase inhibition; isophthalic acid derivatives.
- Cunliffe, Denise,Leason, Mark,Parkin, Donald,Lea, Peter J.
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p. 1357 - 1360
(2007/10/02)
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