期刊
ANALYTICA CHIMICA ACTA
卷 504, 期 1, 页码 53-62出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.aca.2003.08.069
关键词
molecularly imprinted polymers; ring-opening metathesis polymerisation; enantioselectivity; non-covalent interactions
Stereoselective molecularly imprinted polymers (MIPs) have been synthesised via ring-opening metathesis polymerisation, in essentially, quantitative yield. A covalent imprinting strategy was followed during the network formation of the chiral sorbent. Recognition of the substrate however involved non-covalent interactions; a combination of hydrogen bonding and the chiral environment presented by the imprinted cavities. The enantiomeric excess achievable with these new MIPs is solvent dependent and stereoselectivities of up to 20% e.e. (separation factor alpha = 2.2) were found in batch equilibrations. (C) 2003 Elsevier B.V. All rights reserved.
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