Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 53, Issue 20, Pages 5073-5077Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201311160
Keywords
chirality; gels; hydrogen bonds; self-assembly; supramolecular chemistry
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Funding
- European Research Council [227897]
- Ministry of Education, Culture and Science of the Netherlands [024.001.035]
- US National Science Foundation (NSF International Postdoctoral Fellowship) [OISE-0853019]
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The novel concept for the autoamplification of molecular chirality, wherein the amplification proceeds through the induction of supramolecular chirality, is presented. A solution of prochiral, ring-open diarylethenes is doped with a small amount of their chiral, ring-closed counterpart. The molecules co-assemble into helical fibers through hydrogen bonding and the handedness of the fibers is biased by the chiral, ring-closed diarylethene. Photochemical ring closure of the open diarylethene yields the ring-closed product, which is enriched in the template enantiomer.
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