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Synergistic Effect of a Palladium‐on‐Carbon/Platinum‐on‐Carbon Mixed Catalyst in Hydrogen/Deuterium Exchange Reactions of Alkyl‐Substituted Aromatic Compounds
Author(s) -
Ito Nobuhiro,
Watahiki Tsutomu,
Maesawa Tsuneaki,
Maegawa Tomohiro,
Sajiki Hironao
Publication year - 2006
Publication title -
advanced synthesis and catalysis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.541
H-Index - 155
eISSN - 1615-4169
pISSN - 1615-4150
DOI - 10.1002/adsc.200606053
Subject(s) - chemistry , alkyl , steric effects , catalysis , palladium , deuterium , platinum , carbon fibers , hydrogen , hydrogen–deuterium exchange , organic chemistry , medicinal chemistry , physics , materials science , quantum mechanics , composite number , composite material
We have found a synergistic effect in the H‐D exchange reaction of alkyl‐substituted aromatic compounds using the Pd/C‐Pt/C‐D 2 O‐H 2 system. This system would lead to fully H‐D exchange results even on the sterically hindered sites which were only low‐deuterium incorporated by Pd/C or Pt/C independently. Since the reaction was general for a variety of aromatic compounds, it could be applied to the deuteration of dianiline derivatives as raw materials for polyimides.