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Reference type: Journal
Authors: Rackow B, Curdt H
Article Title: Stereospecific imprint of molecular information on resin surfaces and testing with stereoisomers by crossing experiments.
Publication date: 1969
Journal: Berichte Der Bunsen-Gesellschaft
Volume: 73
Issue: (5)
Page numbers: 452-455.

Abstract: Under certain conditions, adsorbed mols. can imprint distances between their functional groups on a resin. This "coinage" is stereospecific; in renewed adsorption, it enables the resin to "recognize" the stereoisomer that had produced the coinage, besides another isomer with a different group distance, and thus to select it. Different phenol-PhNH2-HCHO copolycondensates were treated with the stereoisomeric dyes Bordeaux R and Bordeaux G in 11 crossing expts. On the av., the resin coined with Bordeaux R adsorbed 4.13 times the amt. of Bordeaux R that was adsorbed by the same resin after treatment with Bordeaux G. The dye Bordeaux G was unable to coin the resin because of intramol. salt formation.

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