Bulletin of the Chemical Society of Japan
Online ISSN : 1348-0634
Print ISSN : 0009-2673
ISSN-L : 0009-2673
Mechanism of Hydrogen Exchange Reactions on 1:2 Electron Donor-Acceptor Complexes of Anthracene with Sodium
Masaru IchikawaSadao TanakaShuichi NaitoTakahiro NakamuraMitsuyuki SomaTakaharu OnishiKenzi Tamaru
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1972 Volume 45 Issue 7 Pages 1956-1960


The mechanisms of the H2–D2 and D2–HZ exchange reactions over 1 : 2 Electron Donor-Acceptor (EDA) complexes of anthracene with sodium, where HZ denotes the EDA complexes, were studied kinetically and spectroscopically in the temperature range 20–90°C. It was found that molecular hydrogen exchanges directly with the hydrogen of the complexes (An2−2Na+ or AnNa+) and also with the monohydroanion complex (AnHNa+), which is formed by the dissociative adsorption of hydrogen. The H2–D2 exchange reaction proceeded via not only the σ-bonded hydrogen of the complexes, but also homolytically dissociated “mobile” hydrogen.

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