The Photochemical  cis–trans  Isomerization of Free Stilbene Molecules Follows a Hula‐Twist Pathway | Zendy

Fuß Werner | Zendy; Kosmidis Constantine | Zendy; Schmid Wolfram E. | Zendy; Trushin Sergei A. | Zendy

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The Photochemical cis–trans Isomerization of Free Stilbene Molecules Follows a Hula‐Twist Pathway

Author(s) -

Fuß Werner,

Kosmidis Constantine,

Schmid Wolfram E.,

Trushin Sergei A.

Publication year - 2004

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.200454221

Subject(s) - isomerization , twist , molecule , chemistry , stereochemistry , photochemistry , organic chemistry , catalysis , mathematics , geometry

A motion breaking with tradition : The cis–trans isomerization of nonpolar conjugated π systems does not proceed simply by the 180° twist of a CC bond (“one‐bond flip”, OBF), but by the rotation of a central CH group out of the plane (“hula twist”, HT). The hula‐twist motion does not require any external constraint but is driven by an internal force: the slope on the way through a conical intersection.

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