Affinity chromatography in dynamic combinatorial libraries: one-pot amplification and isolation of a strongly binding receptor.
We report the one-pot amplification and isolation of a nanomolar receptor in a multibuilding block aqueous dynamic combinatorial library using a polymer-bound template. By appropriate choice of a poly(N,N-dimethylacrylamide)-based support, nonselective ion-exchange type behaviour between the oppositely charged cationic guest and polyanionic hosts was overcome, such that the selective molecular recognition arising in aqueous solution reactions is manifest also in the analogous templated solid phase DCL syntheses. The ability of a polymer bound template to identify and isolate a synthetic receptor via dynamic combinatorial chemistry was not compromised by the large size of the library, consisting of well over 140 theoretical members, demonstrating the practical advantages of a polymer-supported DCL methodology.
Besenius
Pol
P
WestCHEM, Department of Pure and Applied Chemistry, University of Strathclyde, 295 Cathedral Street, Glasgow, UK G1 1XL.
Cormack
Peter A G
PA
Ludlow
R Frederick
RF
Otto
Sijbren
S
Sherrington
David C
DC
D000178:Acrylamides / Q000737:chemistry; D000547:Amantadine / Q000737:chemistry; D002846:Chromatography, Affinity; D002851:Chromatography, High Pressure Liquid; D020650:Combinatorial Chemistry Techniques / Q000379:methods*; D004220:Disulfides / Q000737:chemistry; D049329:Nanostructures / Q000737:chemistry*; D014867:Water / Q000737:chemistry
D000178:Acrylamides; D004220:Disulfides; C429790:poly(N,N-dimethylacrylamide); D014867:Water; D000547:Amantadine