Synthesis of macrocycle isomers via metathesis cyclization and their self-assembly from aqueous solutions |
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Authors: | Jiang Jing Tew Gregory N |
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Institution: | Department of Polymer Science and Engineering, University of Massachusetts, Amherst, Massachusetts 01003, USA. |
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Abstract: | Novel triangular macrocycle isomers were synthesized through metathesis cyclization with high yield (77%). HPLC and MALDI-TOF showed that the purity of the macrocycles was higher than 99%, while (1)H NMR clearly showed that these macrocycles contain C2 and C3 isomers in a ratio of 1:3. AFM and TEM showed that they spontaneously formed vesicular structures in a chloroform/water system with an average diameter of 460 nm, which was corroborated by DLS results. |
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