Kinetic Traps to Activate Stereomutation in Supramolecular Polymers |
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Authors: | Jorge S Valera Rafael Gmez Luis Snchez |
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Institution: | Jorge S. Valera,Rafael Gómez,Luis Sánchez |
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Abstract: | The helical stereomutation in the kinetically controlled coassembly of the reported carbonyl‐bridged triarylamines (CBTs) is described. The copolymerization of chiral CBTs (S)‐1 or (R)‐1 with achiral 2 in sergeants‐and‐soldiers (SaS) experiments results in a tunable helicity conditioned by the percentage of the chiral sergeant and by the cooling rate. The dissimilar inherent chirality of the extended monomeric (M) and intramolecularly H‐bonded metastable (M*) species, as well as the different stability of the kinetic trap of the chiral CBTs (S)‐1 / (R)‐1 and the achiral CBT 2 , condition the chirality transfer and afford J‐aggregates of inverse handedness. |
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Keywords: | Chiralitä t Helizitä t Stereomutation Ungleichgewichtssysteme |
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