Photocyclization of trans-stilbene induced by an ultrafast laser pulse
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We predict that photocyclization of trans-stilbene to 4a,4b-dihydrophenanthrene (DHP) can be achieved with a femtosecond-scale laser pulse. Specifically, we have performed dynamical simulations in which the original trans-stilbene molecule is observed first to isomerize to cis-stilbene (as an excited-state intermediate) after more than one picosecond, and then to form a new bond to become DHP, after a few hundred additional femtoseconds. The process is initiated by excitation from the S0 electronic state to S1, with subsequent de-excitation at avoided crossings. © 2010 Elsevier B.V. All rights reserved.
author list (cited authors)
Jiang, C., Xie, R., Li, F., & Allen, R. E.