Reversible Photochemical Conversion of Helicity in Self‐Assembled Nanofibers from a 1,ω‐Thymidylic Acid Appended Bolaamphiphile | Zendy

Iwaura Rika | Zendy; Shimizu Toshimi | Zendy

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Reversible Photochemical Conversion of Helicity in Self‐Assembled Nanofibers from a 1,ω‐Thymidylic Acid Appended Bolaamphiphile

Author(s) -

Iwaura Rika,

Shimizu Toshimi

Publication year - 2006

Publication title -

angewandte chemie international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.200601173

Subject(s) - moiety , photodissociation , chemistry , nanofiber , thymine , residue (chemistry) , intramolecular force , stereochemistry , nuclear magnetic resonance spectroscopy , helix (gastropod) , photochemistry , organic chemistry , materials science , nanotechnology , biochemistry , dna , ecology , snail , biology

Light twisting and untwisting : UV light was found to drive reversible helical‐nanofiber formation based on the photodimerization and photodissociation of the thymine residue in the 1,ω‐thymidylic acid appended bolaamphiphile. 1 H NMR spectroscopy revealed that UV irradiation of the self‐assembled nanofibers induces a helical structure through the formation of a cis–syn isomer of the thymine moiety.

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