1994
DOI: 10.1007/bf00824030
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The selective hydrogenation of acetonitrile on supported nickel catalysts

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Cited by 93 publications
(64 citation statements)
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“…Note that TPA can be formed in reaction between propane-1-imine intermediate and DPA. The above discussed spectral features clearly suggest that formation of higher amines most probably proceeds on the same reaction routes as suggested before on different supported metal catalysts [17][18][19][20][21].…”
Section: Catalytic Hydroconversion Of Pnsupporting
confidence: 66%
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“…Note that TPA can be formed in reaction between propane-1-imine intermediate and DPA. The above discussed spectral features clearly suggest that formation of higher amines most probably proceeds on the same reaction routes as suggested before on different supported metal catalysts [17][18][19][20][21].…”
Section: Catalytic Hydroconversion Of Pnsupporting
confidence: 66%
“…Results imply that under the applied reaction conditions PN is easily hydrogenated to PA, which then can further transform to DPA and TPA products. Formation of these products suggests a similar reaction network than the one, which was put forward earlier for the catalytic hydrogenation of nitriles to amines [17][18][19][20][21][22]. Formation of amine is generally described to proceed through aldimine intermediate as shown by Eq.…”
Section: Catalytic Hydroconversion Of Pnmentioning
confidence: 76%
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“…1 requires catalyst bifunctionality 59 where the metal phase serves to promote hydrogenation (steps (I), (II), (IV), and (VI)) and condensation of the imine intermediates with butyl-(step (III)) and dibutyl-amine (step (V)) proceeds on surface acid sites. 2,4,18,19,59 Selectivity to the target butylamine was higher over Ba-Pd/SiO 2 ( Fig. 7c) than Pd/SiO 2 (Fig.…”
Section: Butyronitrile Hydrogenation: Thermodynamic Considerationsmentioning
confidence: 99%
“…Ebből következik, hogy a magasabb rendű aminok hidrogénezési reakciójából származó propán a PA átalakulás másodlagos vagy harmadlagos termékének tekinthető. Az alkil-nitrilek primer aminná hidrogénezését célzó vizsgálatokban a céltermék primer amin mellett magasabb rendű amin melléktermékek, főleg szekunder amin keletkezését figyelték meg [60,61,63,104]. A feltételezések szerint a fő reakcióban az alkil-nitril két lépésben, Eredményeink alapján arra a következtetésre juthatunk, hogy a nagy aktivitású Ni/SiO 2 hidrogénező katalizátor a C-N kötés szakítása mellett a C-C kötések felszakadását is katalizálja, s ezáltal az alifás amin vagy nitril reaktánsnál kisebb szénatomszámú alkánok keletkezését segíti elő.…”
Section: Propil-amin Hidrokonverzióunclassified