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Reference type: Journal
Authors: Wulff G, Schulze I, Zabrocki K, Vesper W
Article Title: Über enzymanalog gebaute Polymere, 11) Bindungsstellen im Polymer mit unterschiedlicher Zahl der Haftgruppen.
Publication date: 1980
Journal: Makromolekulare Chemie-Macromolecular Chemistry And Physics
Volume: 181
Issue: (3)
Page numbers: 531-544.
DOI: 10.1002/macp.1980.021810301

Abstract: 4-Vinylphenylboronic esters 1 and 2 of L-1,2-propandiol (3a) resp. D-mannitol (4a) were polymerized under different conditions to macroporous, crosslinked copolymers. Afterwards the alcohols 3a resp. 4a were split off. The alcohols have thus been used to form chiral microcavities within the polymer, of which those prepared from 1 contain 1 and those from 2 contain 3 binding groups B(OH)2. Binding sites with 2 binding groups have been investigated before. These polymers possessed capacity for the resolution of the racemate of the template used. The kinetics of the mass transfer within polymers with three binding groups per cavity is discussed in more detail. The chromatographic investigation of the binding ability at different pH-values of polymers from 2 for D-mannitol showed even in acidic media a pronounced binding through neutral esters 5, whereas in alcaline media a much stronger binding through basic esters 6 occurred.

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