Chemistry Letters p. 717 - 718 (1995)
Update date:2022-08-16
Topics:
Yamaguchi, Masatsugu
Shido, Takafumi
Ohtani, Hiroko
Isobe, Kiyoshi
Ichikawa, Masaru
Silica-supported <(RhCp*)4V6O19 exhibited high catalytic activities in the gas-phase hydration of acetonitrile towards acetamide at 350-473 K with selectivity of over 97percent and dehydrogenation of 2-propanol to acetone.EXAFS, XPS and FTIR studies suggested that thermal evacuation of silica-supported <(RhCp*)4V6O19> at 473 K led to the removal of the bridged oxygen atoms in the V6O19 framework.The resulting deoxygenated samples enhanced the acetonitrile hydration, while catalyzed the dehydration of 2-propanol to propene besides the dehydrogenation reaction, probably owing to the newly generated Lewis acid site.
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