Angewandte Chemie - International Edition p. 6008 - 6010 (2008)
Update date:2022-08-11
Topics:
Hasegawa, Hayato
Mizuse, Kenta
Hachiya, Masaki
Matsuda, Yoshiyuki
Mikami, Naohiko
Fujii, Asuka
(Figure Presented) Caught in the act: The σ complex formed as an intermediate in a nucleophilic aromatic substitution has been observed experimentally. Efficient direct ionization of C6F6 by coherent vacuum ultraviolet light was employed to effect the formation of C 6F5NH2 + from C6F 6 +/NH3. Comparison of the IR spectrum of (C6F6-NH3)+ with that predicted from DFT calculations showed that the cluster cation forms a stable σ complex (see picture).
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