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Selective Synthesis of Primary Amines from Nitriles under Hydrogenation Conditions
Author(s) -
Yoshimura Masatoshi,
Komatsu Akira,
Niimura Masaru,
Takagi Yukio,
Takahashi Tohru,
Ueda Shun,
Ichikawa Tomohiro,
Kobayashi Yutaka,
Okami Hiroki,
Hattori Tomohiro,
Sawama Yoshinari,
Monguchi Yasunari,
Sajiki Hironao
Publication year - 2018
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.201800102
Subject(s) - chemistry , selectivity , catalysis , primary (astronomy) , acetic acid , adsorption , extended x ray absorption fine structure , hydrogen , inorganic chemistry , organic chemistry , medicinal chemistry , nuclear chemistry , absorption spectroscopy , physics , astronomy , quantum mechanics
The hydrogenation of aliphatic nitriles over Pd/C, Pd/Al 2 O 3 , and Pd−Au/Al 2 O 3 catalysts were evaluated for the selective hydrogenation of aliphatic nitriles to the corresponding primary amines. The highest selectivity (>99%) toward primary amines was achieved when the reaction was carried out in acetic acid using 10 mol% of 25% Pd‐5% Au/Al 2 O 3 under relatively low hydrogen pressure (0.8 MPa). Characterization of the catalysts by XRD, CO adsorption experiments, and EXAFS revealed that the excellent selectivity of 25% Pd‐5% Au/Al 2 O 3 toward the synthesis of primary amines is determined by the electronic properties and/or the surface structure resulting from alloying Pd with Au.
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