Norbornene chaotropic salts as low molecular mass ionic organogelators (LMIOGs).
CHEMICAL SCIENCE(2018)
摘要
Phenylalanine functionalised norbornene (9: Na) functions as a potent, low molecular-mass (MW 1/4 333 Da) ionic organogelator with a minimum gelating concentration of 0.5 wt% in THF, i-PrOH, 1,4-dioxane and nBuOH. Fibrous crystals form in the gel and X-ray crystallography identified a cation mediated helical assembly process controlled by the chirality of the phenylalanine. In addition to excellent gelating properties 9: Na readily forms aqueous biphasic and triphasic systems.
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